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Fox Hill Drive SWMP-8-8-22 FFooxx HHiillll DDrriivvee Storm Water Management Study Chanhassen, MN Prepared For: David Blieker Denali Custom Homes Prepared By: Alliant Engineering, Inc. 733 Marquette Ave, Suite 700 Minneapolis, MN 55402 August 8th, 2021 Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 1 of 7 210-122 Introduction Included in this report are the materials necessary for review of the proposed stormwater management plan for the Fox Hill Drive residential development in Chanhassen, Minnesota. This stormwater management plan was designed to meet the rules established by the City of Chanhassen and Riley Purgatory Bluff Creek Watershed District. Background This hydrologic study was conducted to analyze the stormwater treatment requirements for the proposed Fox Hill Drive development in Chanhassen, Minnesota. The goal of the study is to design stormwater treatment facilities that can handle the increased impervious cover resulting from the new development. This study compares the following two scenarios:  Existing conditions – Wooded with single family residential home.  Proposed conditions –Low-Density Single-Family Development Project Area Total Site Area based on boundary (acres) 2.465 Total SWMP Area including Offsite Area (acres) 2.898 Existing Site Impervious (acres) 0.076 Post Construction Site Impervious (acres) 0.446 New (Increase) in Site Impervious Area (acres) 0.37 Total Disturbed Area (acres) 1.455 The proposed development includes a total of 4 single family lots. The property currently contains topography varying in elevation from 970 ft (high point near north central point of the site) to 898 ft (Lotus Lake edge). Please refer to the preliminary plat submittal plan documents for additional design information on the proposed development. The stormwater management plan for proposed site conditions will meet the guidelines set forth by the City of Chanhassen and RPBCWD regarding stormwater discharge rate control, water quality, and volume abstraction. The plan will also meet rules for erosion and sediment control. The following criterion was used in designing the stormwater management system: Rate Control:  Post-development peak runoff rates from the site for the 2, 10, 100-yr, 10 day-100 yr Snowmelt MSE 3 24-hr storm events must not be greater than the existing condition rates. Water Quality:  If the project conforms to the 1.1-inch rule there is no further pollutant removal requirement  No net increase for TSS, TP, and annual volume runoff Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 2 of 7 210-122 Infiltration/Volume Control:  Infiltration of stormwater is required for a volume that is equal to or greater than 1.1 inches of runoff from the new impervious area created by the development.  Infiltration should occur within 48 hours or less. Wetland Protection:  Proposed discharge to wetland should meet the watershed criteria for a medium grade wetland  Discharge to Wetland 1 must meet abstraction requirements or 90% TSS and 60% TP. Runoff Rate Control All rate control calculations have been performed using the SCS method via HydroCAD software. HydroCAD curve numbers were used for all calculations. Three events were modeled including: the 2- year, 10-year and 100-year, 10 day-100 yr Snowmelt event, MSE 3 24-hour storm events with ATLAS-14 precipitation amounts of 2.87, 4.26, 7.38, and 7.20 inches used, respectively. The analysis demonstrates that the proposed peak rates of runoff from the site are equal or less than the pre-development rates for all modeled events. Existing Conditions The existing project area includes a total on-site impervious surface area of 0.076 acres The site currently consists of primarily open space with a single family home, forested areas, and green space. Soil types were determined from the Geotechnical Report or Web Soil Survey (attached in Appendix). Based on given information the site was modeled in HydroCAD with generally B soils. Curve numbers were approximated based on land cover types from aerial photos. Offsite drainage flows through the site due to being downstream of higher ground. Offsite area was included in the design to ensure correct water levels in existing and preserved wetlands. To compare peak discharge rates and volumes for the existing and proposed conditions, flows were analyzed at 3 discharge locations. Refer to existing conditions drainage map and HydroCAD results for additional information and calculations. Pre-Development Runoff Rates as calculated by HydroCAD: Rainfall Event Wetland 1 Northwest Lotus Lake [cfs] [cfs] [cfs] 2-year (2.87”) 3.50 3.78 2.40 10-year (4.26”) 6.64 7.43 4.77 100-year (7.38”) 14.19 16.33 10.58 10 day-100 yr Snowmelt 0.27 0.33 0.22 Proposed Conditions The proposed development will disturb 1.455 acres and includes a total on-site impervious surface area and offsite disturbed or new impervious of 0.446 acres. Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 3 of 7 210-122 The proposed development will use multiple infiltration BMP’s and pretreatment to provide water quality, rate control, and volume abstraction for the development. This best management practice (BMP) was the best option suitable for site conditions. Rate Control The proposed stormwater management plan decreases the total peak discharge rates to at or below existing conditions for all modeled events. Refer to proposed conditions drainage map and HydroCAD results for additional information and calculations. Post-Development Runoff Rates as calculated by HydroCAD: Rainfall Event Wetland 1 Northwest Lotus Lake [cfs] [cfs] [cfs] 2-year (2.87”) 2.88 2.78 1.16 10-year (4.26”) 5.42 4.61 4.09 100-year (7.38”) 11.96 6.98 9.88 10 day-100 yr Snowmelt 0.27 0.33 0.22 See preliminary plat/final plat plans for EOF info, HWL’s and OCS structure details. Stormwater Volume Abstraction Volume Required Because the project disturbs more than 50% of the existing site impervious area and increases the overall site impervious area by more than 50%, the total volume required must be a 1.1” abstraction of the entire site impervious area, per RPBCWD rules. Infiltration volumes calculated on maximum allowable impervious for block 2 lots 1-3 per City 25% impervious rule or maximum build per setback requirement (see PDRN). Parcel impervious = 21,744 SF (0.499 acres) Required Abstraction for development: 1.1 𝑖𝑛 (𝑎𝑏𝑠𝑡𝑟𝑎𝑐𝑡𝑖𝑜𝑛)∗1 𝑓𝑡 12 𝑖𝑛∗ (21,744 𝑠𝑓) = 1,993 𝑐𝑓 The site will meet abstraction through multiple infiltration BMP’s. Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 4 of 7 210-122 Volume Provided For calculation purposes, the BMP’s were modeled using soils with an infiltration rate of 0.45 in/hr. See table below for infiltration depth in each basin. OCS to be constructed to control release of runoff and set infiltration depths. See planset for OCS details. See planset and Geotech report or Web Soil Survey for further details. Infiltration Volume Summary BMP Location Volume Required (CUFT) Volume Provided (CUFT) Depth (ft) Infiltration Rate (in/hr) Drawdown Time (hrs) Block 1 Lot 1 397 567 1.33 0.3325 In/hr 48 Block 2 Lot 1 759 835 1.27 0.3175in/hr 48 Block 2 Lot 2 346 491 1.5 0.375in/hr 48 Block 2 Lot 3 396 456 0.88 0.22in/hr 48 *Effective depth is equal to 0.8’. 6” of base stone and with 40% voids and 0.68[ of chamber storage gives a total of 0.88’. Block 2 - Lots 1 and 2 shall be overexcavated until SP or SP-SM soils are encountered, backfill with free draining material. Water Quality Water quality was modeled in MIDS to meet both watershed and city requirements for nutrient removal. Additionally, sump manholes will be installed in the structures immediately upstream of the BMP before discharging to the BMP. MIDS was used to model to show no net increase in TP, TSS and Annual Volume for BMP’s. See MIDS results in Appendix. Discharge to medium grade wetlands (wetland 1) must meet 90% TSS and 60% TP or the abstraction requirement, however buffer is self-treating so all disturbed area that is buffered does not require treatment, the remaining area and impervious will be treated by an infiltration BMP. Summary of MIDS results: Total TSS Loading (lbs) TP Loading (lbs) Existing 58.9 0.324 Proposed 31.5 0.174 Removal % 88% 88% Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 5 of 7 210-122 Wetland Protection: As shown when discussing proposed runoff, rates going to the wetland will be below existing rates for the 2-, 10-, 100-year events and 10 day-100 year snowmelt. Additionally, the infiltration basin will be the primary outlet for stormwater, which meets the required phosphorus and TSS removal efficiency required for the wetland. Direct discharge to the wetland will only occur as part of undisturbed existing drainage areas. The watershed has 4 requirements for wetlands shown below: Wetland 1 Rainfall Event Ex. Bounce Ex. Inundation Pr. Bounce Pr. Inundation [ft] [hrs] [ft] [hrs] 1-year (2.50”) - 64.0 - 63.2 2-year (2.87”) - 66.2 - 65.4 10-year (4.26”) 1.14 71.8 0.93 68.0 The above tables summarize the required info. Based on the runoff rates and volume routed to the wetland there will be no detrimental effects to these wetlands from the proposed development. The runout elevation for the wetland will not be changed. Erosion and Sediment Control Plan The following Best Management Practices (BMP’s) are proposed for the project. Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 6 of 7 210-122 Temporary erosion control devices shown on the grading plan to provide sediment control during project construction include:  Silt fence  Rock construction entrance  Inlet sediment barriers at catch basins  Diversion berms  Erosion Control Blanket Permanent erosion control devices shown to be installed include:  Rip rap at storm sewer pipe outlets  Turf reinforcement mat at emergency spillways  Turf establishment including seeding, sodding, vegetation, etc. Conclusion Alliant Engineering believes that the proposed stormwater management plan is acceptable for all parties involved. The total proposed peak discharge rates for the 2-year, 10-year, 100-year and 10 day-100 yr snowmelt 24-hour storm events will be matched or reduced from existing conditions modeled rates. The proposed stormwater management system meets the volume abstraction requirements with the use of an infiltration/filtration basin. Water quality requirements are provided through the same infiltration/filtration basin and provide the TP and TSS removal efficiencies required. The proposed grading and erosion control plan will utilize BMPs whenever possible to provide adequate erosion control measures to prevent erosion and contain sediment during construction. Please call me at 612-767-9356 with any questions or comments regarding storm water issues for The Fox Hill Drive development project. Sincerely, Seth Loken, PE Alliant Engineering, Inc. CC: File 210-122 Denali Custom Homes, LLC Fox Hill Drive _ Stormwater Management Study August 8th, 2022 Alliant Engineering, Inc. Page 7 of 7 210-122 APPENDIX - Existing Conditions Drainage & Cover Map - Existing Conditions - HydroCAD Results - Proposed Conditions Drainage & Cover Map - Proposed Conditions – HydroCAD Results - MIDS Results - Geotechnical Report or Web Soil Survey - Wetland Delineation Report S20°28'26"E 125.32N22°37'50"W 125.86N74°50'50"E 825.86N74°50'50"E 821.1032+/-41+/-1FOX HILL DRIVE EXISTING DRAINAGE MAP 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700FOR REVIEW ONLYPRELIMINARYNOT FOR CONSTRUCTION LEGEND E-1 Discharge to Northwest E-2 Discharge to Wetland E-3 Existing Home and discharge to Lotus lake OFF-1 Offsite Discharge to Wetland 2P Wetland 1 1L Lotus Lake3L NorthWest Discharge Routing Diagram for edrn Prepared by {enter your company name here}, Printed 8/8/2022 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link edrn Printed 8/8/2022Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10 day-100 Yr Snow Snowmelt_10d_100yr Default 240.00 1 7.20 4 3 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 4 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 edrn Printed 8/8/2022Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 0.255 98 Water Surface, 0% imp, HSG D (E-2, E-3, OFF-1) 2.643 77 Woods, Good, HSG D (E-1, E-2, E-3, OFF-1) 2.898 79 TOTAL AREA edrn Printed 8/8/2022Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 2.898 HSG D E-1, E-2, E-3, OFF-1 0.000 Other 2.898 TOTAL AREA MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.315 ac 0.00% Impervious Runoff Depth=0.98"Subcatchment E-1: Discharge to Northwest Flow Length=176' Slope=0.0842 '/' Tc=3.0 min CN=77 Runoff=0.66 cfs 0.026 af Runoff Area=0.809 ac 0.00% Impervious Runoff Depth=1.24"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.5 min CN=WQ Runoff=2.10 cfs 0.083 af Runoff Area=1.177 ac 0.00% Impervious Runoff Depth=1.09"Subcatchment E-3: Existing Home and Flow Length=477' Slope=0.1261 '/' Tc=5.3 min CN=WQ Runoff=2.40 cfs 0.107 af Runoff Area=26,005 sf 0.00% Impervious Runoff Depth=1.13"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.4 min CN=WQ Runoff=1.43 cfs 0.056 af Peak Elev=949.17' Storage=1,416 cf Inflow=3.50 cfs 0.140 afPond 2P: Wetland 1 Outflow=3.06 cfs 0.135 af Inflow=2.40 cfs 0.107 afLink 1L: Lotus Lake Primary=2.40 cfs 0.107 af Inflow=3.72 cfs 0.161 afLink 3L: NorthWest Discharge Primary=3.72 cfs 0.161 af Total Runoff Area = 2.898 ac Runoff Volume = 0.272 af Average Runoff Depth = 1.13" 100.00% Pervious = 2.898 ac 0.00% Impervious = 0.000 ac MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-1: Discharge to Northwest Runoff = 0.66 cfs @ 12.11 hrs, Volume= 0.026 af, Depth= 0.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.315 77 Woods, Good, HSG D 0.315 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 176 0.0842 0.98 Lag/CN Method, Summary for Subcatchment E-2: Discharge to Wetland Runoff = 2.10 cfs @ 12.10 hrs, Volume= 0.083 af, Depth= 1.24" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.685 77 Woods, Good, HSG D 0.124 98 Water Surface, 0% imp, HSG D 0.809 Weighted Average 0.809 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.5 125 0.1606 1.39 Lag/CN Method, Summary for Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff = 2.40 cfs @ 12.13 hrs, Volume= 0.107 af, Depth= 1.09" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.076 98 Water Surface, 0% imp, HSG D 1.101 77 Woods, Good, HSG D 1.177 Weighted Average 1.177 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.3 477 0.1261 1.51 Lag/CN Method, MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 1.43 cfs @ 12.11 hrs, Volume= 0.056 af, Depth= 1.13" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (sf) CN Description 23,615 77 Woods, Good, HSG D 2,390 98 Water Surface, 0% imp, HSG D 26,005 Weighted Average 26,005 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.4 104 0.0481 0.71 Lag/CN Method, Summary for Pond 2P: Wetland 1 Inflow Area = 1.406 ac, 0.00% Impervious, Inflow Depth = 1.19" for 2-Year event Inflow = 3.50 cfs @ 12.10 hrs, Volume= 0.140 af Outflow = 3.06 cfs @ 12.12 hrs, Volume= 0.135 af, Atten= 13%, Lag= 1.0 min Primary = 3.06 cfs @ 12.12 hrs, Volume= 0.135 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 949.00' Surf.Area= 3,352 sf Storage= 651 cf Peak Elev= 949.17' @ 12.12 hrs Surf.Area= 5,737 sf Storage= 1,416 cf (765 cf above start) Plug-Flow detention time= 85.0 min calculated for 0.121 af (86% of inflow) Center-of-Mass det. time= 15.6 min ( 817.4 - 801.8 ) Volume Invert Avail.Storage Storage Description #1 948.40' 6,753 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.20 6,184 954 1,605 949.40 8,320 1,450 3,055 949.60 9,290 1,761 4,816 949.80 10,075 1,936 6,753 Device Routing Invert Outlet Devices #1 Primary 949.05'23.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=3.04 cfs @ 12.12 hrs HW=949.17' TW=0.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 3.04 cfs @ 1.12 fps) MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Link 1L: Lotus Lake Inflow Area = 1.177 ac, 0.00% Impervious, Inflow Depth = 1.09" for 2-Year event Inflow = 2.40 cfs @ 12.13 hrs, Volume= 0.107 af Primary = 2.40 cfs @ 12.13 hrs, Volume= 0.107 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.721 ac, 0.00% Impervious, Inflow Depth = 1.12" for 2-Year event Inflow = 3.72 cfs @ 12.12 hrs, Volume= 0.161 af Primary = 3.72 cfs @ 12.12 hrs, Volume= 0.161 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.315 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-1: Discharge to Northwest Flow Length=176' Slope=0.0842 '/' Tc=3.0 min AMC Adjusted CN=98 Runoff=0.06 cfs 0.183 af Runoff Area=0.809 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.5 min AMC Adjusted CN=WQ Runoff=0.15 cfs 0.469 af Runoff Area=1.177 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-3: Existing Home and Flow Length=477' Slope=0.1261 '/' Tc=5.3 min AMC Adjusted CN=WQ Runoff=0.23 cfs 0.683 af Runoff Area=26,005 sf 0.00% Impervious Runoff Depth=6.96"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.4 min AMC Adjusted CN=WQ Runoff=0.11 cfs 0.346 af Peak Elev=949.07' Storage=935 cf Inflow=0.27 cfs 0.816 afPond 2P: Wetland 1 Outflow=0.27 cfs 0.811 af Inflow=0.23 cfs 0.683 afLink 1L: Lotus Lake Primary=0.23 cfs 0.683 af Inflow=0.33 cfs 0.994 afLink 3L: NorthWest Discharge Primary=0.33 cfs 0.994 af Total Runoff Area = 2.898 ac Runoff Volume = 1.681 af Average Runoff Depth = 6.96" 100.00% Pervious = 2.898 ac 0.00% Impervious = 0.000 ac Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-1: Discharge to Northwest Runoff = 0.06 cfs @ 121.22 hrs, Volume= 0.183 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.315 77 98 Woods, Good, HSG D 0.315 Weighted Average 0.315 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 176 0.0842 0.98 Lag/CN Method, Summary for Subcatchment E-2: Discharge to Wetland Runoff = 0.15 cfs @ 121.20 hrs, Volume= 0.469 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.685 77 98 Woods, Good, HSG D 0.124 98 98 Water Surface, 0% imp, HSG D 0.809 Weighted Average 0.809 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.5 125 0.1606 1.39 Lag/CN Method, Summary for Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff = 0.23 cfs @ 121.25 hrs, Volume= 0.683 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.076 98 98 Water Surface, 0% imp, HSG D 1.101 77 98 Woods, Good, HSG D 1.177 Weighted Average 1.177 100.00% Pervious Area Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.3 477 0.1261 1.51 Lag/CN Method, Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 0.11 cfs @ 121.21 hrs, Volume= 0.346 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (sf) CN Adj Description 23,615 77 98 Woods, Good, HSG D 2,390 98 98 Water Surface, 0% imp, HSG D 26,005 Weighted Average 26,005 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.4 104 0.0481 0.71 Lag/CN Method, Summary for Pond 2P: Wetland 1 Inflow Area = 1.406 ac, 0.00% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.27 cfs @ 121.21 hrs, Volume= 0.816 af Outflow = 0.27 cfs @ 121.24 hrs, Volume= 0.811 af, Atten= 0%, Lag= 2.1 min Primary = 0.27 cfs @ 121.24 hrs, Volume= 0.811 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 949.00' Surf.Area= 3,352 sf Storage= 651 cf Peak Elev= 949.07' @ 121.24 hrs Surf.Area= 4,391 sf Storage= 935 cf (284 cf above start) Plug-Flow detention time= 326.3 min calculated for 0.796 af (98% of inflow) Center-of-Mass det. time= 46.2 min ( 7,424.2 - 7,378.1 ) Volume Invert Avail.Storage Storage Description #1 948.40' 6,753 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.20 6,184 954 1,605 949.40 8,320 1,450 3,055 949.60 9,290 1,761 4,816 949.80 10,075 1,936 6,753 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 949.05'23.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=0.27 cfs @ 121.24 hrs HW=949.07' TW=0.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 0.27 cfs @ 0.50 fps) Summary for Link 1L: Lotus Lake Inflow Area = 1.177 ac, 0.00% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.23 cfs @ 121.25 hrs, Volume= 0.683 af Primary = 0.23 cfs @ 121.25 hrs, Volume= 0.683 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.721 ac, 0.00% Impervious, Inflow Depth = 6.93" for 10 day-100 Yr Snow event Inflow = 0.33 cfs @ 121.24 hrs, Volume= 0.994 af Primary = 0.33 cfs @ 121.24 hrs, Volume= 0.994 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.315 ac 0.00% Impervious Runoff Depth=2.02"Subcatchment E-1: Discharge to Northwest Flow Length=176' Slope=0.0842 '/' Tc=3.0 min CN=77 Runoff=1.35 cfs 0.053 af Runoff Area=0.809 ac 0.00% Impervious Runoff Depth=2.33"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.5 min CN=WQ Runoff=3.92 cfs 0.157 af Runoff Area=1.177 ac 0.00% Impervious Runoff Depth=2.15"Subcatchment E-3: Existing Home and Flow Length=477' Slope=0.1261 '/' Tc=5.3 min CN=WQ Runoff=4.77 cfs 0.211 af Runoff Area=26,005 sf 0.00% Impervious Runoff Depth=2.20"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.4 min CN=WQ Runoff=2.76 cfs 0.110 af Peak Elev=949.24' Storage=1,828 cf Inflow=6.64 cfs 0.266 afPond 2P: Wetland 1 Outflow=5.98 cfs 0.262 af Inflow=4.77 cfs 0.211 afLink 1L: Lotus Lake Primary=4.77 cfs 0.211 af Inflow=7.32 cfs 0.315 afLink 3L: NorthWest Discharge Primary=7.32 cfs 0.315 af Total Runoff Area = 2.898 ac Runoff Volume = 0.530 af Average Runoff Depth = 2.19" 100.00% Pervious = 2.898 ac 0.00% Impervious = 0.000 ac MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-1: Discharge to Northwest Runoff = 1.35 cfs @ 12.11 hrs, Volume= 0.053 af, Depth= 2.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.315 77 Woods, Good, HSG D 0.315 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 176 0.0842 0.98 Lag/CN Method, Summary for Subcatchment E-2: Discharge to Wetland Runoff = 3.92 cfs @ 12.10 hrs, Volume= 0.157 af, Depth= 2.33" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.685 77 Woods, Good, HSG D 0.124 98 Water Surface, 0% imp, HSG D 0.809 Weighted Average 0.809 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.5 125 0.1606 1.39 Lag/CN Method, Summary for Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff = 4.77 cfs @ 12.13 hrs, Volume= 0.211 af, Depth= 2.15" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.076 98 Water Surface, 0% imp, HSG D 1.101 77 Woods, Good, HSG D 1.177 Weighted Average 1.177 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.3 477 0.1261 1.51 Lag/CN Method, MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 2.76 cfs @ 12.11 hrs, Volume= 0.110 af, Depth= 2.20" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (sf) CN Description 23,615 77 Woods, Good, HSG D 2,390 98 Water Surface, 0% imp, HSG D 26,005 Weighted Average 26,005 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.4 104 0.0481 0.71 Lag/CN Method, Summary for Pond 2P: Wetland 1 Inflow Area = 1.406 ac, 0.00% Impervious, Inflow Depth = 2.27" for 10-Year event Inflow = 6.64 cfs @ 12.10 hrs, Volume= 0.266 af Outflow = 5.98 cfs @ 12.11 hrs, Volume= 0.262 af, Atten= 10%, Lag= 0.9 min Primary = 5.98 cfs @ 12.11 hrs, Volume= 0.262 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 949.00' Surf.Area= 3,352 sf Storage= 651 cf Peak Elev= 949.24' @ 12.11 hrs Surf.Area= 6,559 sf Storage= 1,828 cf (1,177 cf above start) Plug-Flow detention time= 54.0 min calculated for 0.247 af (93% of inflow) Center-of-Mass det. time= 11.4 min ( 803.8 - 792.4 ) Volume Invert Avail.Storage Storage Description #1 948.40' 6,753 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.20 6,184 954 1,605 949.40 8,320 1,450 3,055 949.60 9,290 1,761 4,816 949.80 10,075 1,936 6,753 Device Routing Invert Outlet Devices #1 Primary 949.05'23.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=5.96 cfs @ 12.11 hrs HW=949.23' TW=0.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 5.96 cfs @ 1.41 fps) MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Link 1L: Lotus Lake Inflow Area = 1.177 ac, 0.00% Impervious, Inflow Depth = 2.15" for 10-Year event Inflow = 4.77 cfs @ 12.13 hrs, Volume= 0.211 af Primary = 4.77 cfs @ 12.13 hrs, Volume= 0.211 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.721 ac, 0.00% Impervious, Inflow Depth = 2.20" for 10-Year event Inflow = 7.32 cfs @ 12.11 hrs, Volume= 0.315 af Primary = 7.32 cfs @ 12.11 hrs, Volume= 0.315 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.315 ac 0.00% Impervious Runoff Depth=4.71"Subcatchment E-1: Discharge to Northwest Flow Length=176' Slope=0.0842 '/' Tc=3.0 min CN=77 Runoff=3.03 cfs 0.124 af Runoff Area=0.809 ac 0.00% Impervious Runoff Depth=5.08"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.5 min CN=WQ Runoff=8.26 cfs 0.343 af Runoff Area=1.177 ac 0.00% Impervious Runoff Depth=4.87"Subcatchment E-3: Existing Home and Flow Length=477' Slope=0.1261 '/' Tc=5.3 min CN=WQ Runoff=10.58 cfs 0.477 af Runoff Area=26,005 sf 0.00% Impervious Runoff Depth=4.93"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.4 min CN=WQ Runoff=5.92 cfs 0.245 af Peak Elev=949.36' Storage=2,752 cf Inflow=14.19 cfs 0.588 afPond 2P: Wetland 1 Outflow=13.11 cfs 0.584 af Inflow=10.58 cfs 0.477 afLink 1L: Lotus Lake Primary=10.58 cfs 0.477 af Inflow=16.13 cfs 0.707 afLink 3L: NorthWest Discharge Primary=16.13 cfs 0.707 af Total Runoff Area = 2.898 ac Runoff Volume = 1.189 af Average Runoff Depth = 4.92" 100.00% Pervious = 2.898 ac 0.00% Impervious = 0.000 ac MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-1: Discharge to Northwest Runoff = 3.03 cfs @ 12.11 hrs, Volume= 0.124 af, Depth= 4.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.315 77 Woods, Good, HSG D 0.315 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 176 0.0842 0.98 Lag/CN Method, Summary for Subcatchment E-2: Discharge to Wetland Runoff = 8.26 cfs @ 12.10 hrs, Volume= 0.343 af, Depth= 5.08" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.685 77 Woods, Good, HSG D 0.124 98 Water Surface, 0% imp, HSG D 0.809 Weighted Average 0.809 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.5 125 0.1606 1.39 Lag/CN Method, Summary for Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff = 10.58 cfs @ 12.13 hrs, Volume= 0.477 af, Depth= 4.87" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.076 98 Water Surface, 0% imp, HSG D 1.101 77 Woods, Good, HSG D 1.177 Weighted Average 1.177 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.3 477 0.1261 1.51 Lag/CN Method, MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 5.92 cfs @ 12.10 hrs, Volume= 0.245 af, Depth= 4.93" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (sf) CN Description 23,615 77 Woods, Good, HSG D 2,390 98 Water Surface, 0% imp, HSG D 26,005 Weighted Average 26,005 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.4 104 0.0481 0.71 Lag/CN Method, Summary for Pond 2P: Wetland 1 Inflow Area = 1.406 ac, 0.00% Impervious, Inflow Depth = 5.02" for 100-Year event Inflow = 14.19 cfs @ 12.10 hrs, Volume= 0.588 af Outflow = 13.11 cfs @ 12.11 hrs, Volume= 0.584 af, Atten= 8%, Lag= 0.8 min Primary = 13.11 cfs @ 12.11 hrs, Volume= 0.584 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Starting Elev= 949.00' Surf.Area= 3,352 sf Storage= 651 cf Peak Elev= 949.36' @ 12.11 hrs Surf.Area= 7,921 sf Storage= 2,752 cf (2,101 cf above start) Plug-Flow detention time= 31.5 min calculated for 0.569 af (97% of inflow) Center-of-Mass det. time= 7.8 min ( 787.7 - 779.9 ) Volume Invert Avail.Storage Storage Description #1 948.40' 6,753 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.20 6,184 954 1,605 949.40 8,320 1,450 3,055 949.60 9,290 1,761 4,816 949.80 10,075 1,936 6,753 Device Routing Invert Outlet Devices #1 Primary 949.05'23.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=13.09 cfs @ 12.11 hrs HW=949.36' TW=0.00' (Dynamic Tailwater) 1=Sharp-Crested Rectangular Weir (Weir Controls 13.09 cfs @ 1.83 fps) MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Link 1L: Lotus Lake Inflow Area = 1.177 ac, 0.00% Impervious, Inflow Depth = 4.87" for 100-Year event Inflow = 10.58 cfs @ 12.13 hrs, Volume= 0.477 af Primary = 10.58 cfs @ 12.13 hrs, Volume= 0.477 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.721 ac, 0.00% Impervious, Inflow Depth = 4.93" for 100-Year event Inflow = 16.13 cfs @ 12.11 hrs, Volume= 0.707 af Primary = 16.13 cfs @ 12.11 hrs, Volume= 0.707 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Table of Contentsedrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 2-Year Event 5 Node Listing 6 Subcat E-1: Discharge to Northwest 7 Subcat E-2: Discharge to Wetland 7 Subcat E-3: Existing Home and discharge to Lotus lake 7 Subcat OFF-1: Offsite Discharge to Wetland 8 Pond 2P: Wetland 1 8 Link 1L: Lotus Lake 9 Link 3L: NorthWest Discharge 10 day-100 Yr Snow Event 9 Node Listing 10 Subcat E-1: Discharge to Northwest 11 Subcat E-2: Discharge to Wetland 11 Subcat E-3: Existing Home and discharge to Lotus lake 12 Subcat OFF-1: Offsite Discharge to Wetland 12 Pond 2P: Wetland 1 13 Link 1L: Lotus Lake 13 Link 3L: NorthWest Discharge 10-Year Event 13 Node Listing 14 Subcat E-1: Discharge to Northwest 15 Subcat E-2: Discharge to Wetland 15 Subcat E-3: Existing Home and discharge to Lotus lake 15 Subcat OFF-1: Offsite Discharge to Wetland 16 Pond 2P: Wetland 1 16 Link 1L: Lotus Lake 17 Link 3L: NorthWest Discharge 100-Year Event 17 Node Listing 18 Subcat E-1: Discharge to Northwest 19 Subcat E-2: Discharge to Wetland 19 Subcat E-3: Existing Home and discharge to Lotus lake 19 Subcat OFF-1: Offsite Discharge to Wetland 20 Pond 2P: Wetland 1 20 Link 1L: Lotus Lake 21 Link 3L: NorthWest Discharge E-1 Discharge to Northwest E-2 Discharge to Wetland E-3 Existing Home and discharge to Lotus lake OFF-1 Offsite Discharge to Wetland 2P Wetland 1 1L Lotus Lake3L NorthWest Discharge Routing Diagram for edrn Prepared by {enter your company name here}, Printed 8/8/2022 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link edrn Printed 8/8/2022Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10 day-100 Yr Snow Snowmelt_10d_100yr Default 240.00 1 7.20 4 3 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 4 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Discharge to Northwest Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.315 ac Runoff Volume=0.026 af Runoff Depth=0.98" Flow Length=176' Slope=0.0842 '/' Tc=3.0 min CN=77 0.66 cfs Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.809 ac Runoff Volume=0.083 af Runoff Depth=1.24" Flow Length=125' Slope=0.1606 '/' Tc=1.5 min CN=WQ 2.10 cfs MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=1.177 ac Runoff Volume=0.107 af Runoff Depth=1.09" Flow Length=477' Slope=0.1261 '/' Tc=5.3 min CN=WQ 2.40 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=26,005 sf Runoff Volume=0.056 af Runoff Depth=1.13" Flow Length=104' Slope=0.0481 '/' Tc=2.4 min CN=WQ 1.43 cfs MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Wetland 1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 Inflow Area=1.406 ac Peak Elev=949.17' Storage=1,416 cf 3.50 cfs 3.06 cfs Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Inflow Area=1.177 ac 2.40 cfs2.40 cfs MSE 24-hr 3 2-Year Rainfall=2.87"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Inflow Area=1.721 ac 3.72 cfs3.72 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Discharge to Northwest Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.315 ac Runoff Volume=0.183 af Runoff Depth=6.96" Flow Length=176' Slope=0.0842 '/' Tc=3.0 min AMC Adjusted CN=98 0.06 cfs Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.809 ac Runoff Volume=0.469 af Runoff Depth=6.96" Flow Length=125' Slope=0.1606 '/' Tc=1.5 min AMC Adjusted CN=WQ 0.15 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.25 0.24 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=1.177 ac Runoff Volume=0.683 af Runoff Depth=6.96" Flow Length=477' Slope=0.1261 '/' Tc=5.3 min AMC Adjusted CN=WQ 0.23 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.125 0.12 0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=26,005 sf Runoff Volume=0.346 af Runoff Depth=6.96" Flow Length=104' Slope=0.0481 '/' Tc=2.4 min AMC Adjusted CN=WQ 0.11 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Wetland 1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=1.406 ac Peak Elev=949.07' Storage=935 cf 0.27 cfs0.27 cfs Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.25 0.24 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=1.177 ac 0.23 cfs0.23 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4edrn Printed 8/8/2022Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=1.721 ac 0.33 cfs0.33 cfs MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Discharge to Northwest Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.315 ac Runoff Volume=0.053 af Runoff Depth=2.02" Flow Length=176' Slope=0.0842 '/' Tc=3.0 min CN=77 1.35 cfs Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.809 ac Runoff Volume=0.157 af Runoff Depth=2.33" Flow Length=125' Slope=0.1606 '/' Tc=1.5 min CN=WQ 3.92 cfs MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=1.177 ac Runoff Volume=0.211 af Runoff Depth=2.15" Flow Length=477' Slope=0.1261 '/' Tc=5.3 min CN=WQ 4.77 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=26,005 sf Runoff Volume=0.110 af Runoff Depth=2.20" Flow Length=104' Slope=0.0481 '/' Tc=2.4 min CN=WQ 2.76 cfs MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Wetland 1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=1.406 ac Peak Elev=949.24' Storage=1,828 cf 6.64 cfs 5.98 cfs Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=1.177 ac 4.77 cfs4.77 cfs MSE 24-hr 3 10-Year Rainfall=4.26"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=1.721 ac 7.32 cfs7.32 cfs MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-1: Discharge to Northwest Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.315 ac Runoff Volume=0.124 af Runoff Depth=4.71" Flow Length=176' Slope=0.0842 '/' Tc=3.0 min CN=77 3.03 cfs Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.809 ac Runoff Volume=0.343 af Runoff Depth=5.08" Flow Length=125' Slope=0.1606 '/' Tc=1.5 min CN=WQ 8.26 cfs MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-3: Existing Home and discharge to Lotus lake Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=1.177 ac Runoff Volume=0.477 af Runoff Depth=4.87" Flow Length=477' Slope=0.1261 '/' Tc=5.3 min CN=WQ 10.58 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=26,005 sf Runoff Volume=0.245 af Runoff Depth=4.93" Flow Length=104' Slope=0.0481 '/' Tc=2.4 min CN=WQ 5.92 cfs MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Wetland 1 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=1.406 ac Peak Elev=949.36' Storage=2,752 cf 14.19 cfs 13.11 cfs Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=1.177 ac 10.58 cfs10.58 cfs MSE 24-hr 3 100-Year Rainfall=7.38"edrn Printed 8/8/2022Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=1.721 ac 16.13 cfs16.13 cfs Table of Contentsedrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 2-Year Event 3 Subcat E-1: Discharge to Northwest 4 Subcat E-2: Discharge to Wetland 4 Subcat E-3: Existing Home and discharge to Lotus lake 5 Subcat OFF-1: Offsite Discharge to Wetland 5 Pond 2P: Wetland 1 6 Link 1L: Lotus Lake 6 Link 3L: NorthWest Discharge 10 day-100 Yr Snow Event 7 Subcat E-1: Discharge to Northwest 8 Subcat E-2: Discharge to Wetland 8 Subcat E-3: Existing Home and discharge to Lotus lake 9 Subcat OFF-1: Offsite Discharge to Wetland 9 Pond 2P: Wetland 1 10 Link 1L: Lotus Lake 10 Link 3L: NorthWest Discharge 10-Year Event 11 Subcat E-1: Discharge to Northwest 12 Subcat E-2: Discharge to Wetland 12 Subcat E-3: Existing Home and discharge to Lotus lake 13 Subcat OFF-1: Offsite Discharge to Wetland 13 Pond 2P: Wetland 1 14 Link 1L: Lotus Lake 14 Link 3L: NorthWest Discharge 100-Year Event 15 Subcat E-1: Discharge to Northwest 16 Subcat E-2: Discharge to Wetland 16 Subcat E-3: Existing Home and discharge to Lotus lake 17 Subcat OFF-1: Offsite Discharge to Wetland 17 Pond 2P: Wetland 1 18 Link 1L: Lotus Lake 18 Link 3L: NorthWest Discharge LOT 1LOT 1LOT 2LOT 3BLOCK 2BLOCK 1OUTLOT ASOGWSWOSWOEX HWL 949.25HWL 949.16S20°28'26"E 125.32N22°37'50"W 125.86N74°50'50"E 825.86N74°50'50"E 821.1032+/-41+/-1FOX HILL DRIVE PROPOSED DRAINAGE MAP 733 Marquette AvenueMinneapolis, MN 55402612.758.3080www.alliant-inc.comSuite 700FOR REVIEW ONLYPRELIMINARYNOT FOR CONSTRUCTION LEGEND E-2 Discharge to Wetland OFF-1 Offsite Discharge to Wetland S-1 Lot 3 West S-2 Lot 3 East S-3 Lot 2 S-4 (new Subcat) S-5 (new Subcat) S-6 (new Subcat) 1P Underground 2P Wetland 1 4P Infiltration Road A 5P Lot 2 Infiltration Basin 6PCB MH 501 8P Lot 1 Block 1 Infiltration 1L Lotus Lake 3L NorthWest Discharge Routing Diagram for pdrn Prepared by {enter your company name here}, Printed 8/8/2022 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 3 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 1.224 80 >75% Grass cover, Good, HSG D (S-1, S-2, S-3, S-4, S-5) 0.514 98 Roofs, HSG D (S-1, S-2, S-3, S-4, S-5) 0.124 98 Water Surface, 0% imp, HSG D (E-2) 1.038 77 Woods, Good, HSG D (E-2, OFF-1, S-1, S-6) 2.900 83 TOTAL AREA pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 2.900 HSG D E-2, OFF-1, S-1, S-2, S-3, S-4, S-5, S-6 0.000 Other 2.900 TOTAL AREA MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.473 ac 0.00% Impervious Runoff Depth=1.42"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.4 min CN=WQ Runoff=1.36 cfs 0.056 af Runoff Area=0.597 ac 0.00% Impervious Runoff Depth=0.98"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.6 min CN=77 Runoff=1.28 cfs 0.049 af Runoff Area=0.185 ac 26.49% Impervious Runoff Depth=1.52"Subcatchment S-1: Lot 3 West Flow Length=162' Slope=0.1000 '/' Tc=5.6 min CN=WQ Runoff=0.50 cfs 0.023 af Runoff Area=0.178 ac 32.02% Impervious Runoff Depth=1.63"Subcatchment S-2: Lot 3 East Flow Length=107' Slope=0.0490 '/' Tc=7.6 min CN=WQ Runoff=0.47 cfs 0.024 af Runoff Area=0.291 ac 28.52% Impervious Runoff Depth=1.58"Subcatchment S-3: Lot 2 Tc=10.0 min CN=WQ Runoff=0.67 cfs 0.038 af Runoff Area=0.584 ac 33.05% Impervious Runoff Depth=1.64"Subcatchment S-4: (new Subcat) Tc=5.0 min CN=WQ Runoff=1.73 cfs 0.080 af Runoff Area=0.531 ac 24.86% Impervious Runoff Depth=1.52"Subcatchment S-5: (new Subcat) Tc=5.0 min CN=WQ Runoff=1.49 cfs 0.067 af Runoff Area=0.061 ac 0.00% Impervious Runoff Depth=0.98"Subcatchment S-6: (new Subcat) Tc=3.0 min CN=77 Runoff=0.13 cfs 0.005 af Peak Elev=941.46' Storage=1,109 cf Inflow=3.24 cfs 0.152 afPond 1P: Underground Discarded=0.00 cfs 0.018 af Primary=2.90 cfs 0.134 af Outflow=2.91 cfs 0.152 af Peak Elev=948.62' Storage=178 cf Inflow=2.99 cfs 0.129 afPond 2P: Wetland 1 Primary=2.76 cfs 0.129 af Secondary=0.00 cfs 0.000 af Outflow=2.76 cfs 0.129 af Peak Elev=944.50' Storage=1,570 cf Inflow=1.73 cfs 0.080 afPond 4P: Infiltration Road A Discarded=0.01 cfs 0.030 af Primary=0.38 cfs 0.050 af Outflow=0.39 cfs 0.080 af Peak Elev=958.48' Storage=1,205 cf Inflow=0.67 cfs 0.038 afPond 5P: Lot 2 Infiltration Basin Discarded=0.01 cfs 0.038 af Primary=0.00 cfs 0.000 af Secondary=0.00 cfs 0.000 af Outflow=0.01 cfs 0.038 af Peak Elev=903.79' Inflow=1.14 cfs 0.099 afPond 6P: MH 501 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' Outflow=1.14 cfs 0.099 af Peak Elev=910.93' Storage=1,045 cf Inflow=1.49 cfs 0.067 afPond 8P: Lot 1 Block 1 Infiltration Discarded=0.00 cfs 0.018 af Primary=0.45 cfs 0.046 af Secondary=0.35 cfs 0.004 af Tertiary=0.00 cfs 0.000 af Outflow=0.80 cfs 0.067 af Inflow=1.19 cfs 0.104 afLink 1L: Lotus Lake Primary=1.19 cfs 0.104 af Inflow=2.90 cfs 0.134 afLink 3L: NorthWest Discharge Primary=2.90 cfs 0.134 af MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Total Runoff Area = 2.900 ac Runoff Volume = 0.343 af Average Runoff Depth = 1.42" 82.28% Pervious = 2.386 ac 17.72% Impervious = 0.514 ac MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-2: Discharge to Wetland Runoff = 1.36 cfs @ 12.10 hrs, Volume= 0.056 af, Depth= 1.42" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.349 77 Woods, Good, HSG D 0.124 98 Water Surface, 0% imp, HSG D 0.473 Weighted Average 0.473 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.4 125 0.1606 1.53 Lag/CN Method, Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 1.28 cfs @ 12.11 hrs, Volume= 0.049 af, Depth= 0.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.597 77 Woods, Good, HSG D 0.597 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.6 104 0.0481 0.67 Lag/CN Method, Summary for Subcatchment S-1: Lot 3 West Runoff = 0.50 cfs @ 12.13 hrs, Volume= 0.023 af, Depth= 1.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.031 77 Woods, Good, HSG D 0.049 98 Roofs, HSG D 0.105 80 >75% Grass cover, Good, HSG D 0.185 Weighted Average 0.136 73.51% Pervious Area 0.049 26.49% Impervious Area MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.4 100 0.1000 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.2 62 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 5.6 162 Total Summary for Subcatchment S-2: Lot 3 East Runoff = 0.47 cfs @ 12.15 hrs, Volume= 0.024 af, Depth= 1.63" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.057 98 Roofs, HSG D 0.121 80 >75% Grass cover, Good, HSG D 0.178 Weighted Average 0.121 67.98% Pervious Area 0.057 32.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.6 107 0.0490 0.23 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" Summary for Subcatchment S-3: Lot 2 Runoff = 0.67 cfs @ 12.18 hrs, Volume= 0.038 af, Depth= 1.58" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.083 98 Roofs, HSG D 0.208 80 >75% Grass cover, Good, HSG D 0.291 Weighted Average 0.208 71.48% Pervious Area 0.083 28.52% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-4: (new Subcat) Runoff = 1.73 cfs @ 12.12 hrs, Volume= 0.080 af, Depth= 1.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.193 98 Roofs, HSG D 0.391 80 >75% Grass cover, Good, HSG D 0.584 Weighted Average 0.391 66.95% Pervious Area 0.193 33.05% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment S-5: (new Subcat) Runoff = 1.49 cfs @ 12.13 hrs, Volume= 0.067 af, Depth= 1.52" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.132 98 Roofs, HSG D 0.399 80 >75% Grass cover, Good, HSG D 0.531 Weighted Average 0.399 75.14% Pervious Area 0.132 24.86% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment S-6: (new Subcat) Runoff = 0.13 cfs @ 12.11 hrs, Volume= 0.005 af, Depth= 0.98" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87" Area (ac) CN Description 0.061 77 Woods, Good, HSG D 0.061 100.00% Pervious Area MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 Direct Entry, Summary for Pond 1P: Underground Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 1.06" for 2-Year event Inflow = 3.24 cfs @ 12.12 hrs, Volume= 0.152 af Outflow = 2.91 cfs @ 12.14 hrs, Volume= 0.152 af, Atten= 10%, Lag= 1.5 min Discarded = 0.00 cfs @ 7.02 hrs, Volume= 0.018 af Primary = 2.90 cfs @ 12.14 hrs, Volume= 0.134 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 941.46' @ 12.14 hrs Surf.Area= 763 sf Storage= 1,109 cf Plug-Flow detention time= 159.1 min calculated for 0.152 af (100% of inflow) Center-of-Mass det. time= 159.1 min ( 958.1 - 799.0 ) Volume Invert Avail.Storage Storage Description #1A 939.30' 769 cf 12.31'W x 62.00'L x 4.42'H Field A 3,370 cf Overall - 1,447 cf Embedded = 1,923 cf x 40.0% Voids #2A 939.80' 1,447 cf CMP Arch 53x41 x 6 Inside #1 Effective Size= 53.0"W x 41.0"H => 12.06 sf x 20.00'L = 241.1 cf Overall Size= 53.0"W x 41.0"H x 20.00'L 6 Chambers in 2 Rows 2,216 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 939.30'0.220 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 940.48'15.0" Round Culvert L= 37.5' CPP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 940.48' / 940.23' S= 0.0067 '/' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 1.23 sf Discarded OutFlow Max=0.00 cfs @ 7.02 hrs HW=939.34' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=2.90 cfs @ 12.14 hrs HW=941.46' TW=0.00' (Dynamic Tailwater) 2=Culvert (Barrel Controls 2.90 cfs @ 3.85 fps) Summary for Pond 2P: Wetland 1 Inflow Area = 1.539 ac, 9.10% Impervious, Inflow Depth = 1.00" for 2-Year event Inflow = 2.99 cfs @ 12.10 hrs, Volume= 0.129 af Outflow = 2.76 cfs @ 12.12 hrs, Volume= 0.129 af, Atten= 8%, Lag= 0.8 min Primary = 2.76 cfs @ 12.12 hrs, Volume= 0.129 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 948.62' @ 12.12 hrs Surf.Area= 736 sf Storage= 178 cf Plug-Flow detention time= 0.6 min calculated for 0.129 af (100% of inflow) Center-of-Mass det. time= 0.6 min ( 800.7 - 800.2 ) Volume Invert Avail.Storage Storage Description #1 948.40' 8,036 cf Wetland (Prismatic) Listed below (Recalc) #2 947.82' 5,697 cf Low Point L3 (Prismatic) Listed below (Recalc) 13,733 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.40 7,681 2,207 2,858 949.60 8,387 1,607 4,465 949.80 8,933 1,732 6,196 950.00 9,460 1,839 8,036 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 947.82 0 0 0 948.00 61 5 5 949.05 629 362 368 949.45 979 322 689 950.00 2,083 842 1,531 952.00 2,083 4,166 5,697 Device Routing Invert Outlet Devices #1 Primary 947.82'17.0" W x 13.0" H, R=9.0"/25.6" Pipe Arch CMP_Arch_1/2 17x13 L= 69.4' CMP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 947.82' / 939.30' S= 0.1228 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 1.23 sf #2 Secondary 949.45'4.5' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=2.74 cfs @ 12.12 hrs HW=948.61' TW=941.42' (Dynamic Tailwater) 1=CMP_Arch_1/2 17x13 (Inlet Controls 2.74 cfs @ 2.77 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=947.82' TW=0.00' (Dynamic Tailwater) 2=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 4P: Infiltration Road A Inflow Area = 0.584 ac, 33.05% Impervious, Inflow Depth = 1.64" for 2-Year event Inflow = 1.73 cfs @ 12.12 hrs, Volume= 0.080 af Outflow = 0.39 cfs @ 12.36 hrs, Volume= 0.080 af, Atten= 78%, Lag= 14.0 min Discarded = 0.01 cfs @ 9.46 hrs, Volume= 0.030 af Primary = 0.38 cfs @ 12.36 hrs, Volume= 0.050 af MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 944.50' @ 12.36 hrs Surf.Area= 941 sf Storage= 1,570 cf Plug-Flow detention time= 451.0 min calculated for 0.080 af (100% of inflow) Center-of-Mass det. time= 451.0 min ( 1,234.2 - 783.2 ) Volume Invert Avail.Storage Storage Description #1A 941.94' 1,163 cf 13.25'W x 71.00'L x 5.50'H Field A 5,174 cf Overall - 2,266 cf Embedded = 2,908 cf x 40.0% Voids #2A 942.44' 2,266 cf CMP Round 54 x 6 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 6 Chambers in 2 Rows 11.25' Header x 15.90 sf x 2 = 357.8 cf Inside 3,429 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 941.94'0.317 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 938.59'12.0" Round Culvert L= 205.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 938.59' / 913.94' S= 0.1200 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #3 Device 2 941.69'12.0" Round Culvert L= 54.7' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 941.69' / 941.42' S= 0.0049 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #4 Device 3 941.94'12.0" Round Culvert L= 30.9' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 941.94' / 941.71' S= 0.0074 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #5 Device 4 943.51'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #6 Device 4 944.97'12.0" W x 5.1" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #7 Device 4 947.00'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.01 cfs @ 9.46 hrs HW=942.00' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.38 cfs @ 12.36 hrs HW=944.50' TW=903.69' (Dynamic Tailwater) 2=Culvert (Passes 0.38 cfs of 10.99 cfs potential flow) 3=Culvert (Passes 0.38 cfs of 5.32 cfs potential flow) 4=Culvert (Passes 0.38 cfs of 4.29 cfs potential flow) 5=Orifice/Grate (Orifice Controls 0.38 cfs @ 4.37 fps) 6=Orifice/Grate ( Controls 0.00 cfs) 7=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 5P: Lot 2 Infiltration Basin Inflow Area = 0.291 ac, 28.52% Impervious, Inflow Depth = 1.58" for 2-Year event Inflow = 0.67 cfs @ 12.18 hrs, Volume= 0.038 af Outflow = 0.01 cfs @ 16.40 hrs, Volume= 0.038 af, Atten= 98%, Lag= 253.3 min Discarded = 0.01 cfs @ 16.40 hrs, Volume= 0.038 af Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 958.48' @ 16.40 hrs Surf.Area= 1,370 sf Storage= 1,205 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 1,249.4 min ( 2,040.6 - 791.2 ) Volume Invert Avail.Storage Storage Description #1 954.00' 505 cf Sand Storage (Prismatic) Listed below (Recalc) 1,683 cf Overall x 30.0% Voids #2 957.00' 5,744 cf Custom Stage Data (Prismatic) Listed below (Recalc) 6,249 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 954.00 561 0 0 957.00 561 1,683 1,683 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 957.00 187 0 0 958.00 561 374 374 960.00 1,603 2,164 2,538 962.00 1,603 3,206 5,744 Device Routing Invert Outlet Devices #1 Discarded 954.00'0.375 in/hr Exfiltration over Surface area #2 Primary 956.85'12.0" Round Culvert L= 15.2' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 956.85' / 956.78' S= 0.0046 '/' Cc= 0.900 n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf #3 Device 2 958.50'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 960.50'5.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Discarded OutFlow Max=0.01 cfs @ 16.40 hrs HW=958.48' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=954.00' TW=947.82' (Dynamic Tailwater) 2=Culvert ( Controls 0.00 cfs) 3=Orifice/Grate ( Controls 0.00 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=954.00' TW=947.82' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 6P: MH 501 Inflow Area = 1.115 ac, 29.15% Impervious, Inflow Depth = 1.07" for 2-Year event Inflow = 1.14 cfs @ 12.20 hrs, Volume= 0.099 af Outflow = 1.14 cfs @ 12.20 hrs, Volume= 0.099 af, Atten= 0%, Lag= 0.0 min Primary = 1.14 cfs @ 12.20 hrs, Volume= 0.099 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 903.79' @ 12.20 hrs Flood Elev= 916.00' Device Routing Invert Outlet Devices #1 Primary 903.19'15.0" Round Culvert L= 45.3' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 903.19' / 902.96' S= 0.0051 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 1.23 sf Primary OutFlow Max=1.14 cfs @ 12.20 hrs HW=903.79' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 1.14 cfs @ 2.88 fps) Summary for Pond 8P: Lot 1 Block 1 Infiltration Inflow Area = 0.531 ac, 24.86% Impervious, Inflow Depth = 1.52" for 2-Year event Inflow = 1.49 cfs @ 12.13 hrs, Volume= 0.067 af Outflow = 0.80 cfs @ 12.19 hrs, Volume= 0.067 af, Atten= 46%, Lag= 4.0 min Discarded = 0.00 cfs @ 9.16 hrs, Volume= 0.018 af Primary = 0.45 cfs @ 12.19 hrs, Volume= 0.046 af Secondary = 0.35 cfs @ 12.19 hrs, Volume= 0.004 af Tertiary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 910.93' @ 12.19 hrs Surf.Area= 533 sf Storage= 1,045 cf Plug-Flow detention time= 319.2 min calculated for 0.067 af (100% of inflow) Center-of-Mass det. time= 319.3 min ( 1,108.9 - 789.6 ) MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1A 908.00' 664 cf 6.50'W x 82.00'L x 5.50'H Field A 2,932 cf Overall - 1,272 cf Embedded = 1,659 cf x 40.0% Voids #2A 908.50' 1,272 cf CMP Round 54 x 4 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 1,936 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 908.00'0.333 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 909.63'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 910.70'12.0" W x 6.0" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Tertiary 913.02'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.00 cfs @ 9.16 hrs HW=908.06' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.45 cfs @ 12.19 hrs HW=910.93' TW=903.79' (Dynamic Tailwater) 2=Orifice/Grate (Orifice Controls 0.45 cfs @ 5.12 fps) Secondary OutFlow Max=0.35 cfs @ 12.19 hrs HW=910.93' TW=903.79' (Dynamic Tailwater) 3=Orifice/Grate (Orifice Controls 0.35 cfs @ 1.53 fps) Tertiary OutFlow Max=0.00 cfs @ 0.00 hrs HW=908.00' TW=903.19' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Link 1L: Lotus Lake Inflow Area = 1.176 ac, 27.64% Impervious, Inflow Depth = 1.06" for 2-Year event Inflow = 1.19 cfs @ 12.19 hrs, Volume= 0.104 af Primary = 1.19 cfs @ 12.19 hrs, Volume= 0.104 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 0.93" for 2-Year event Inflow = 2.90 cfs @ 12.14 hrs, Volume= 0.134 af Primary = 2.90 cfs @ 12.14 hrs, Volume= 0.134 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.473 ac 0.00% Impervious Runoff Depth=2.54"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.4 min CN=WQ Runoff=2.44 cfs 0.100 af Runoff Area=0.597 ac 0.00% Impervious Runoff Depth=2.02"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.6 min CN=77 Runoff=2.59 cfs 0.100 af Runoff Area=0.185 ac 26.49% Impervious Runoff Depth=2.69"Subcatchment S-1: Lot 3 West Flow Length=162' Slope=0.1000 '/' Tc=5.6 min CN=WQ Runoff=0.88 cfs 0.041 af Runoff Area=0.178 ac 32.02% Impervious Runoff Depth=2.82"Subcatchment S-2: Lot 3 East Flow Length=107' Slope=0.0490 '/' Tc=7.6 min CN=WQ Runoff=0.81 cfs 0.042 af Runoff Area=0.291 ac 28.52% Impervious Runoff Depth=2.76"Subcatchment S-3: Lot 2 Tc=10.0 min CN=WQ Runoff=1.18 cfs 0.067 af Runoff Area=0.584 ac 33.05% Impervious Runoff Depth=2.84"Subcatchment S-4: (new Subcat) Tc=5.0 min CN=WQ Runoff=2.99 cfs 0.138 af Runoff Area=0.531 ac 24.86% Impervious Runoff Depth=2.70"Subcatchment S-5: (new Subcat) Tc=5.0 min CN=WQ Runoff=2.62 cfs 0.119 af Runoff Area=0.061 ac 0.00% Impervious Runoff Depth=2.02"Subcatchment S-6: (new Subcat) Tc=3.0 min CN=77 Runoff=0.26 cfs 0.010 af Peak Elev=941.90' Storage=1,378 cf Inflow=5.16 cfs 0.309 afPond 1P: Underground Discarded=0.00 cfs 0.019 af Primary=4.83 cfs 0.290 af Outflow=4.83 cfs 0.309 af Peak Elev=948.90' Storage=652 cf Inflow=5.65 cfs 0.267 afPond 2P: Wetland 1 Primary=4.28 cfs 0.267 af Secondary=0.00 cfs 0.000 af Outflow=4.28 cfs 0.267 af Peak Elev=945.48' Storage=2,313 cf Inflow=2.99 cfs 0.138 afPond 4P: Infiltration Road A Discarded=0.01 cfs 0.031 af Primary=1.66 cfs 0.107 af Outflow=1.67 cfs 0.138 af Peak Elev=958.88' Storage=1,575 cf Inflow=1.18 cfs 0.067 afPond 5P: Lot 2 Infiltration Basin Discarded=0.01 cfs 0.042 af Primary=0.19 cfs 0.025 af Secondary=0.00 cfs 0.000 af Outflow=0.21 cfs 0.067 af Peak Elev=904.44' Inflow=3.82 cfs 0.208 afPond 6P: MH 501 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' Outflow=3.82 cfs 0.208 af Peak Elev=911.46' Storage=1,272 cf Inflow=2.62 cfs 0.119 afPond 8P: Lot 1 Block 1 Infiltration Discarded=0.00 cfs 0.019 af Primary=0.54 cfs 0.073 af Secondary=1.71 cfs 0.028 af Tertiary=0.00 cfs 0.000 af Outflow=2.25 cfs 0.119 af Inflow=3.93 cfs 0.218 afLink 1L: Lotus Lake Primary=3.93 cfs 0.218 af Inflow=4.83 cfs 0.290 afLink 3L: NorthWest Discharge Primary=4.83 cfs 0.290 af MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Total Runoff Area = 2.900 ac Runoff Volume = 0.619 af Average Runoff Depth = 2.56" 82.28% Pervious = 2.386 ac 17.72% Impervious = 0.514 ac MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-2: Discharge to Wetland Runoff = 2.44 cfs @ 12.10 hrs, Volume= 0.100 af, Depth= 2.54" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.349 77 Woods, Good, HSG D 0.124 98 Water Surface, 0% imp, HSG D 0.473 Weighted Average 0.473 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.4 125 0.1606 1.53 Lag/CN Method, Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 2.59 cfs @ 12.11 hrs, Volume= 0.100 af, Depth= 2.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.597 77 Woods, Good, HSG D 0.597 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.6 104 0.0481 0.67 Lag/CN Method, Summary for Subcatchment S-1: Lot 3 West Runoff = 0.88 cfs @ 12.13 hrs, Volume= 0.041 af, Depth= 2.69" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.031 77 Woods, Good, HSG D 0.049 98 Roofs, HSG D 0.105 80 >75% Grass cover, Good, HSG D 0.185 Weighted Average 0.136 73.51% Pervious Area 0.049 26.49% Impervious Area MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.4 100 0.1000 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.2 62 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 5.6 162 Total Summary for Subcatchment S-2: Lot 3 East Runoff = 0.81 cfs @ 12.15 hrs, Volume= 0.042 af, Depth= 2.82" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.057 98 Roofs, HSG D 0.121 80 >75% Grass cover, Good, HSG D 0.178 Weighted Average 0.121 67.98% Pervious Area 0.057 32.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.6 107 0.0490 0.23 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" Summary for Subcatchment S-3: Lot 2 Runoff = 1.18 cfs @ 12.17 hrs, Volume= 0.067 af, Depth= 2.76" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.083 98 Roofs, HSG D 0.208 80 >75% Grass cover, Good, HSG D 0.291 Weighted Average 0.208 71.48% Pervious Area 0.083 28.52% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-4: (new Subcat) Runoff = 2.99 cfs @ 12.12 hrs, Volume= 0.138 af, Depth= 2.84" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.193 98 Roofs, HSG D 0.391 80 >75% Grass cover, Good, HSG D 0.584 Weighted Average 0.391 66.95% Pervious Area 0.193 33.05% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment S-5: (new Subcat) Runoff = 2.62 cfs @ 12.12 hrs, Volume= 0.119 af, Depth= 2.70" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.132 98 Roofs, HSG D 0.399 80 >75% Grass cover, Good, HSG D 0.531 Weighted Average 0.399 75.14% Pervious Area 0.132 24.86% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment S-6: (new Subcat) Runoff = 0.26 cfs @ 12.11 hrs, Volume= 0.010 af, Depth= 2.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26" Area (ac) CN Description 0.061 77 Woods, Good, HSG D 0.061 100.00% Pervious Area MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 Direct Entry, Summary for Pond 1P: Underground Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 2.15" for 10-Year event Inflow = 5.16 cfs @ 12.13 hrs, Volume= 0.309 af Outflow = 4.83 cfs @ 12.16 hrs, Volume= 0.309 af, Atten= 6%, Lag= 2.0 min Discarded = 0.00 cfs @ 5.27 hrs, Volume= 0.019 af Primary = 4.83 cfs @ 12.16 hrs, Volume= 0.290 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 941.90' @ 12.16 hrs Surf.Area= 763 sf Storage= 1,378 cf Plug-Flow detention time= 84.1 min calculated for 0.309 af (100% of inflow) Center-of-Mass det. time= 84.1 min ( 877.6 - 793.5 ) Volume Invert Avail.Storage Storage Description #1A 939.30' 769 cf 12.31'W x 62.00'L x 4.42'H Field A 3,370 cf Overall - 1,447 cf Embedded = 1,923 cf x 40.0% Voids #2A 939.80' 1,447 cf CMP Arch 53x41 x 6 Inside #1 Effective Size= 53.0"W x 41.0"H => 12.06 sf x 20.00'L = 241.1 cf Overall Size= 53.0"W x 41.0"H x 20.00'L 6 Chambers in 2 Rows 2,216 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 939.30'0.220 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 940.48'15.0" Round Culvert L= 37.5' CPP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 940.48' / 940.23' S= 0.0067 '/' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 1.23 sf Discarded OutFlow Max=0.00 cfs @ 5.27 hrs HW=939.34' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=4.83 cfs @ 12.16 hrs HW=941.90' TW=0.00' (Dynamic Tailwater) 2=Culvert (Barrel Controls 4.83 cfs @ 4.33 fps) Summary for Pond 2P: Wetland 1 Inflow Area = 1.539 ac, 9.10% Impervious, Inflow Depth = 2.08" for 10-Year event Inflow = 5.65 cfs @ 12.10 hrs, Volume= 0.267 af Outflow = 4.28 cfs @ 12.13 hrs, Volume= 0.267 af, Atten= 24%, Lag= 1.5 min Primary = 4.28 cfs @ 12.13 hrs, Volume= 0.267 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 948.90' @ 12.13 hrs Surf.Area= 2,903 sf Storage= 652 cf Plug-Flow detention time= 0.9 min calculated for 0.267 af (100% of inflow) Center-of-Mass det. time= 0.9 min ( 795.3 - 794.4 ) Volume Invert Avail.Storage Storage Description #1 948.40' 8,036 cf Wetland (Prismatic) Listed below (Recalc) #2 947.82' 5,697 cf Low Point L3 (Prismatic) Listed below (Recalc) 13,733 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.40 7,681 2,207 2,858 949.60 8,387 1,607 4,465 949.80 8,933 1,732 6,196 950.00 9,460 1,839 8,036 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 947.82 0 0 0 948.00 61 5 5 949.05 629 362 368 949.45 979 322 689 950.00 2,083 842 1,531 952.00 2,083 4,166 5,697 Device Routing Invert Outlet Devices #1 Primary 947.82'17.0" W x 13.0" H, R=9.0"/25.6" Pipe Arch CMP_Arch_1/2 17x13 L= 69.4' CMP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 947.82' / 939.30' S= 0.1228 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 1.23 sf #2 Secondary 949.45'4.5' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=4.27 cfs @ 12.13 hrs HW=948.90' TW=941.84' (Dynamic Tailwater) 1=CMP_Arch_1/2 17x13 (Inlet Controls 4.27 cfs @ 3.48 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=947.82' TW=0.00' (Dynamic Tailwater) 2=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 4P: Infiltration Road A Inflow Area = 0.584 ac, 33.05% Impervious, Inflow Depth = 2.84" for 10-Year event Inflow = 2.99 cfs @ 12.12 hrs, Volume= 0.138 af Outflow = 1.67 cfs @ 12.19 hrs, Volume= 0.138 af, Atten= 44%, Lag= 3.8 min Discarded = 0.01 cfs @ 7.43 hrs, Volume= 0.031 af Primary = 1.66 cfs @ 12.19 hrs, Volume= 0.107 af MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 945.48' @ 12.19 hrs Surf.Area= 941 sf Storage= 2,313 cf Plug-Flow detention time= 281.0 min calculated for 0.138 af (100% of inflow) Center-of-Mass det. time= 281.1 min ( 1,057.9 - 776.9 ) Volume Invert Avail.Storage Storage Description #1A 941.94' 1,163 cf 13.25'W x 71.00'L x 5.50'H Field A 5,174 cf Overall - 2,266 cf Embedded = 2,908 cf x 40.0% Voids #2A 942.44' 2,266 cf CMP Round 54 x 6 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 6 Chambers in 2 Rows 11.25' Header x 15.90 sf x 2 = 357.8 cf Inside 3,429 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 941.94'0.317 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 938.59'12.0" Round Culvert L= 205.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 938.59' / 913.94' S= 0.1200 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #3 Device 2 941.69'12.0" Round Culvert L= 54.7' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 941.69' / 941.42' S= 0.0049 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #4 Device 3 941.94'12.0" Round Culvert L= 30.9' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 941.94' / 941.71' S= 0.0074 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #5 Device 4 943.51'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #6 Device 4 944.97'12.0" W x 5.1" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #7 Device 4 947.00'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.01 cfs @ 7.43 hrs HW=942.00' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=1.66 cfs @ 12.19 hrs HW=945.48' TW=904.41' (Dynamic Tailwater) 2=Culvert (Passes 1.66 cfs of 11.95 cfs potential flow) 3=Culvert (Passes 1.66 cfs of 6.46 cfs potential flow) 4=Culvert (Passes 1.66 cfs of 5.21 cfs potential flow) 5=Orifice/Grate (Orifice Controls 0.56 cfs @ 6.47 fps) 6=Orifice/Grate (Orifice Controls 1.10 cfs @ 2.58 fps) 7=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 5P: Lot 2 Infiltration Basin Inflow Area = 0.291 ac, 28.52% Impervious, Inflow Depth = 2.76" for 10-Year event Inflow = 1.18 cfs @ 12.17 hrs, Volume= 0.067 af Outflow = 0.21 cfs @ 12.58 hrs, Volume= 0.067 af, Atten= 82%, Lag= 24.6 min Discarded = 0.01 cfs @ 12.58 hrs, Volume= 0.042 af Primary = 0.19 cfs @ 12.58 hrs, Volume= 0.025 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 958.88' @ 12.58 hrs Surf.Area= 1,581 sf Storage= 1,575 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 809.5 min ( 1,594.0 - 784.5 ) Volume Invert Avail.Storage Storage Description #1 954.00' 505 cf Sand Storage (Prismatic) Listed below (Recalc) 1,683 cf Overall x 30.0% Voids #2 957.00' 5,744 cf Custom Stage Data (Prismatic) Listed below (Recalc) 6,249 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 954.00 561 0 0 957.00 561 1,683 1,683 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 957.00 187 0 0 958.00 561 374 374 960.00 1,603 2,164 2,538 962.00 1,603 3,206 5,744 Device Routing Invert Outlet Devices #1 Discarded 954.00'0.375 in/hr Exfiltration over Surface area #2 Primary 956.85'12.0" Round Culvert L= 15.2' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 956.85' / 956.78' S= 0.0046 '/' Cc= 0.900 n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf #3 Device 2 958.50'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 960.50'5.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Discarded OutFlow Max=0.01 cfs @ 12.58 hrs HW=958.88' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=0.19 cfs @ 12.58 hrs HW=958.88' TW=948.19' (Dynamic Tailwater) 2=Culvert (Passes 0.19 cfs of 3.69 cfs potential flow) 3=Orifice/Grate (Orifice Controls 0.19 cfs @ 2.23 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=954.00' TW=947.82' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 6P: MH 501 Inflow Area = 1.115 ac, 29.15% Impervious, Inflow Depth = 2.24" for 10-Year event Inflow = 3.82 cfs @ 12.17 hrs, Volume= 0.208 af Outflow = 3.82 cfs @ 12.17 hrs, Volume= 0.208 af, Atten= 0%, Lag= 0.0 min Primary = 3.82 cfs @ 12.17 hrs, Volume= 0.208 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 904.44' @ 12.17 hrs Flood Elev= 916.00' Device Routing Invert Outlet Devices #1 Primary 903.19'15.0" Round Culvert L= 45.3' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 903.19' / 902.96' S= 0.0051 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 1.23 sf Primary OutFlow Max=3.82 cfs @ 12.17 hrs HW=904.44' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 3.82 cfs @ 3.88 fps) Summary for Pond 8P: Lot 1 Block 1 Infiltration Inflow Area = 0.531 ac, 24.86% Impervious, Inflow Depth = 2.70" for 10-Year event Inflow = 2.62 cfs @ 12.12 hrs, Volume= 0.119 af Outflow = 2.25 cfs @ 12.15 hrs, Volume= 0.119 af, Atten= 14%, Lag= 1.8 min Discarded = 0.00 cfs @ 6.85 hrs, Volume= 0.019 af Primary = 0.54 cfs @ 12.15 hrs, Volume= 0.073 af Secondary = 1.71 cfs @ 12.15 hrs, Volume= 0.028 af Tertiary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 911.46' @ 12.15 hrs Surf.Area= 533 sf Storage= 1,272 cf Plug-Flow detention time= 190.7 min calculated for 0.119 af (100% of inflow) Center-of-Mass det. time= 190.7 min ( 973.1 - 782.4 ) MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1A 908.00' 664 cf 6.50'W x 82.00'L x 5.50'H Field A 2,932 cf Overall - 1,272 cf Embedded = 1,659 cf x 40.0% Voids #2A 908.50' 1,272 cf CMP Round 54 x 4 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 1,936 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 908.00'0.333 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 909.63'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 910.70'12.0" W x 6.0" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Tertiary 913.02'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.00 cfs @ 6.85 hrs HW=908.06' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.54 cfs @ 12.15 hrs HW=911.46' TW=904.41' (Dynamic Tailwater) 2=Orifice/Grate (Orifice Controls 0.54 cfs @ 6.21 fps) Secondary OutFlow Max=1.70 cfs @ 12.15 hrs HW=911.46' TW=904.41' (Dynamic Tailwater) 3=Orifice/Grate (Orifice Controls 1.70 cfs @ 3.41 fps) Tertiary OutFlow Max=0.00 cfs @ 0.00 hrs HW=908.00' TW=903.19' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Link 1L: Lotus Lake Inflow Area = 1.176 ac, 27.64% Impervious, Inflow Depth = 2.23" for 10-Year event Inflow = 3.93 cfs @ 12.17 hrs, Volume= 0.218 af Primary = 3.93 cfs @ 12.17 hrs, Volume= 0.218 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 2.02" for 10-Year event Inflow = 4.83 cfs @ 12.16 hrs, Volume= 0.290 af Primary = 4.83 cfs @ 12.16 hrs, Volume= 0.290 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.473 ac 0.00% Impervious Runoff Depth=5.35"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.4 min CN=WQ Runoff=4.95 cfs 0.211 af Runoff Area=0.597 ac 0.00% Impervious Runoff Depth=4.71"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.6 min CN=77 Runoff=5.80 cfs 0.234 af Runoff Area=0.185 ac 26.49% Impervious Runoff Depth=5.54"Subcatchment S-1: Lot 3 West Flow Length=162' Slope=0.1000 '/' Tc=5.6 min CN=WQ Runoff=1.79 cfs 0.085 af Runoff Area=0.178 ac 32.02% Impervious Runoff Depth=5.72"Subcatchment S-2: Lot 3 East Flow Length=107' Slope=0.0490 '/' Tc=7.6 min CN=WQ Runoff=1.61 cfs 0.085 af Runoff Area=0.291 ac 28.52% Impervious Runoff Depth=5.64"Subcatchment S-3: Lot 2 Tc=10.0 min CN=WQ Runoff=2.38 cfs 0.137 af Runoff Area=0.584 ac 33.05% Impervious Runoff Depth=5.74"Subcatchment S-4: (new Subcat) Tc=5.0 min CN=WQ Runoff=5.92 cfs 0.279 af Runoff Area=0.531 ac 24.86% Impervious Runoff Depth=5.57"Subcatchment S-5: (new Subcat) Tc=5.0 min CN=WQ Runoff=5.29 cfs 0.246 af Runoff Area=0.061 ac 0.00% Impervious Runoff Depth=4.71"Subcatchment S-6: (new Subcat) Tc=3.0 min CN=77 Runoff=0.59 cfs 0.024 af Peak Elev=942.69' Storage=1,825 cf Inflow=7.66 cfs 0.707 afPond 1P: Underground Discarded=0.00 cfs 0.019 af Primary=7.22 cfs 0.688 af Outflow=7.23 cfs 0.707 af Peak Elev=949.36' Storage=3,124 cf Inflow=12.29 cfs 0.621 afPond 2P: Wetland 1 Primary=5.91 cfs 0.621 af Secondary=0.00 cfs 0.000 af Outflow=5.91 cfs 0.621 af Peak Elev=947.22' Storage=3,347 cf Inflow=5.92 cfs 0.279 afPond 4P: Infiltration Road A Discarded=0.01 cfs 0.032 af Primary=4.87 cfs 0.247 af Outflow=4.88 cfs 0.279 af Peak Elev=960.01' Storage=3,052 cf Inflow=2.38 cfs 0.137 afPond 5P: Lot 2 Infiltration Basin Discarded=0.02 cfs 0.045 af Primary=0.49 cfs 0.092 af Secondary=0.00 cfs 0.000 af Outflow=0.51 cfs 0.137 af Peak Elev=906.38' Inflow=9.07 cfs 0.474 afPond 6P: MH 501 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' Outflow=9.07 cfs 0.474 af Peak Elev=913.00' Storage=1,829 cf Inflow=5.29 cfs 0.246 afPond 8P: Lot 1 Block 1 Infiltration Discarded=0.00 cfs 0.019 af Primary=0.75 cfs 0.135 af Secondary=3.44 cfs 0.092 af Tertiary=0.00 cfs 0.000 af Outflow=4.20 cfs 0.246 af Inflow=9.35 cfs 0.498 afLink 1L: Lotus Lake Primary=9.35 cfs 0.498 af Inflow=7.22 cfs 0.688 afLink 3L: NorthWest Discharge Primary=7.22 cfs 0.688 af MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 28HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Total Runoff Area = 2.900 ac Runoff Volume = 1.302 af Average Runoff Depth = 5.39" 82.28% Pervious = 2.386 ac 17.72% Impervious = 0.514 ac MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 29HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-2: Discharge to Wetland Runoff = 4.95 cfs @ 12.10 hrs, Volume= 0.211 af, Depth= 5.35" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.349 77 Woods, Good, HSG D 0.124 98 Water Surface, 0% imp, HSG D 0.473 Weighted Average 0.473 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.4 125 0.1606 1.53 Lag/CN Method, Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 5.80 cfs @ 12.11 hrs, Volume= 0.234 af, Depth= 4.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.597 77 Woods, Good, HSG D 0.597 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.6 104 0.0481 0.67 Lag/CN Method, Summary for Subcatchment S-1: Lot 3 West Runoff = 1.79 cfs @ 12.13 hrs, Volume= 0.085 af, Depth= 5.54" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.031 77 Woods, Good, HSG D 0.049 98 Roofs, HSG D 0.105 80 >75% Grass cover, Good, HSG D 0.185 Weighted Average 0.136 73.51% Pervious Area 0.049 26.49% Impervious Area MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 30HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.4 100 0.1000 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.2 62 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 5.6 162 Total Summary for Subcatchment S-2: Lot 3 East Runoff = 1.61 cfs @ 12.15 hrs, Volume= 0.085 af, Depth= 5.72" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.057 98 Roofs, HSG D 0.121 80 >75% Grass cover, Good, HSG D 0.178 Weighted Average 0.121 67.98% Pervious Area 0.057 32.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.6 107 0.0490 0.23 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" Summary for Subcatchment S-3: Lot 2 Runoff = 2.38 cfs @ 12.17 hrs, Volume= 0.137 af, Depth= 5.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.083 98 Roofs, HSG D 0.208 80 >75% Grass cover, Good, HSG D 0.291 Weighted Average 0.208 71.48% Pervious Area 0.083 28.52% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 31HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-4: (new Subcat) Runoff = 5.92 cfs @ 12.12 hrs, Volume= 0.279 af, Depth= 5.74" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.193 98 Roofs, HSG D 0.391 80 >75% Grass cover, Good, HSG D 0.584 Weighted Average 0.391 66.95% Pervious Area 0.193 33.05% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment S-5: (new Subcat) Runoff = 5.29 cfs @ 12.12 hrs, Volume= 0.246 af, Depth= 5.57" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.132 98 Roofs, HSG D 0.399 80 >75% Grass cover, Good, HSG D 0.531 Weighted Average 0.399 75.14% Pervious Area 0.132 24.86% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Summary for Subcatchment S-6: (new Subcat) Runoff = 0.59 cfs @ 12.11 hrs, Volume= 0.024 af, Depth= 4.71" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38" Area (ac) CN Description 0.061 77 Woods, Good, HSG D 0.061 100.00% Pervious Area MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 32HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 Direct Entry, Summary for Pond 1P: Underground Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 4.92" for 100-Year event Inflow = 7.66 cfs @ 12.13 hrs, Volume= 0.707 af Outflow = 7.23 cfs @ 12.17 hrs, Volume= 0.707 af, Atten= 6%, Lag= 2.5 min Discarded = 0.00 cfs @ 3.51 hrs, Volume= 0.019 af Primary = 7.22 cfs @ 12.17 hrs, Volume= 0.688 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 942.69' @ 12.17 hrs Surf.Area= 763 sf Storage= 1,825 cf Plug-Flow detention time= 41.4 min calculated for 0.707 af (100% of inflow) Center-of-Mass det. time= 41.5 min ( 828.8 - 787.3 ) Volume Invert Avail.Storage Storage Description #1A 939.30' 769 cf 12.31'W x 62.00'L x 4.42'H Field A 3,370 cf Overall - 1,447 cf Embedded = 1,923 cf x 40.0% Voids #2A 939.80' 1,447 cf CMP Arch 53x41 x 6 Inside #1 Effective Size= 53.0"W x 41.0"H => 12.06 sf x 20.00'L = 241.1 cf Overall Size= 53.0"W x 41.0"H x 20.00'L 6 Chambers in 2 Rows 2,216 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 939.30'0.220 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 940.48'15.0" Round Culvert L= 37.5' CPP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 940.48' / 940.23' S= 0.0067 '/' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 1.23 sf Discarded OutFlow Max=0.00 cfs @ 3.51 hrs HW=939.34' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=7.22 cfs @ 12.17 hrs HW=942.69' TW=0.00' (Dynamic Tailwater) 2=Culvert (Barrel Controls 7.22 cfs @ 5.88 fps) Summary for Pond 2P: Wetland 1 Inflow Area = 1.539 ac, 9.10% Impervious, Inflow Depth = 4.85" for 100-Year event Inflow = 12.29 cfs @ 12.10 hrs, Volume= 0.621 af Outflow = 5.91 cfs @ 12.16 hrs, Volume= 0.621 af, Atten= 52%, Lag= 3.4 min Primary = 5.91 cfs @ 12.16 hrs, Volume= 0.621 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 33HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Peak Elev= 949.36' @ 12.16 hrs Surf.Area= 8,091 sf Storage= 3,124 cf Plug-Flow detention time= 2.7 min calculated for 0.621 af (100% of inflow) Center-of-Mass det. time= 2.7 min ( 789.3 - 786.6 ) Volume Invert Avail.Storage Storage Description #1 948.40' 8,036 cf Wetland (Prismatic) Listed below (Recalc) #2 947.82' 5,697 cf Low Point L3 (Prismatic) Listed below (Recalc) 13,733 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.40 7,681 2,207 2,858 949.60 8,387 1,607 4,465 949.80 8,933 1,732 6,196 950.00 9,460 1,839 8,036 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 947.82 0 0 0 948.00 61 5 5 949.05 629 362 368 949.45 979 322 689 950.00 2,083 842 1,531 952.00 2,083 4,166 5,697 Device Routing Invert Outlet Devices #1 Primary 947.82'17.0" W x 13.0" H, R=9.0"/25.6" Pipe Arch CMP_Arch_1/2 17x13 L= 69.4' CMP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 947.82' / 939.30' S= 0.1228 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 1.23 sf #2 Secondary 949.45'4.5' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=5.91 cfs @ 12.16 hrs HW=949.35' TW=942.67' (Dynamic Tailwater) 1=CMP_Arch_1/2 17x13 (Inlet Controls 5.91 cfs @ 4.81 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=947.82' TW=0.00' (Dynamic Tailwater) 2=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 4P: Infiltration Road A Inflow Area = 0.584 ac, 33.05% Impervious, Inflow Depth = 5.74" for 100-Year event Inflow = 5.92 cfs @ 12.12 hrs, Volume= 0.279 af Outflow = 4.88 cfs @ 12.16 hrs, Volume= 0.279 af, Atten= 18%, Lag= 2.1 min Discarded = 0.01 cfs @ 4.83 hrs, Volume= 0.032 af Primary = 4.87 cfs @ 12.16 hrs, Volume= 0.247 af MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 34HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 947.22' @ 12.16 hrs Surf.Area= 941 sf Storage= 3,347 cf Plug-Flow detention time= 156.3 min calculated for 0.279 af (100% of inflow) Center-of-Mass det. time= 156.4 min ( 924.1 - 767.8 ) Volume Invert Avail.Storage Storage Description #1A 941.94' 1,163 cf 13.25'W x 71.00'L x 5.50'H Field A 5,174 cf Overall - 2,266 cf Embedded = 2,908 cf x 40.0% Voids #2A 942.44' 2,266 cf CMP Round 54 x 6 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 6 Chambers in 2 Rows 11.25' Header x 15.90 sf x 2 = 357.8 cf Inside 3,429 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 941.94'0.317 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 938.59'12.0" Round Culvert L= 205.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 938.59' / 913.94' S= 0.1200 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #3 Device 2 941.69'12.0" Round Culvert L= 54.7' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 941.69' / 941.42' S= 0.0049 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #4 Device 3 941.94'12.0" Round Culvert L= 30.9' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 941.94' / 941.71' S= 0.0074 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #5 Device 4 943.51'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #6 Device 4 944.97'12.0" W x 5.1" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #7 Device 4 947.00'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.01 cfs @ 4.83 hrs HW=942.00' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.01 cfs) Primary OutFlow Max=4.84 cfs @ 12.16 hrs HW=947.22' TW=906.36' (Dynamic Tailwater) 2=Culvert (Passes 4.84 cfs of 12.94 cfs potential flow) 3=Culvert (Passes 4.84 cfs of 8.08 cfs potential flow) 4=Culvert (Passes 4.84 cfs of 6.52 cfs potential flow) 5=Orifice/Grate (Orifice Controls 0.79 cfs @ 9.06 fps) 6=Orifice/Grate (Orifice Controls 2.92 cfs @ 6.86 fps) 7=Broad-Crested Rectangular Weir (Weir Controls 1.13 cfs @ 1.31 fps) MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 35HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 5P: Lot 2 Infiltration Basin Inflow Area = 0.291 ac, 28.52% Impervious, Inflow Depth = 5.64" for 100-Year event Inflow = 2.38 cfs @ 12.17 hrs, Volume= 0.137 af Outflow = 0.51 cfs @ 12.51 hrs, Volume= 0.137 af, Atten= 79%, Lag= 20.5 min Discarded = 0.02 cfs @ 12.47 hrs, Volume= 0.045 af Primary = 0.49 cfs @ 12.51 hrs, Volume= 0.092 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 960.01' @ 12.51 hrs Surf.Area= 2,164 sf Storage= 3,052 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 447.0 min ( 1,221.8 - 774.8 ) Volume Invert Avail.Storage Storage Description #1 954.00' 505 cf Sand Storage (Prismatic) Listed below (Recalc) 1,683 cf Overall x 30.0% Voids #2 957.00' 5,744 cf Custom Stage Data (Prismatic) Listed below (Recalc) 6,249 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 954.00 561 0 0 957.00 561 1,683 1,683 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 957.00 187 0 0 958.00 561 374 374 960.00 1,603 2,164 2,538 962.00 1,603 3,206 5,744 Device Routing Invert Outlet Devices #1 Discarded 954.00'0.375 in/hr Exfiltration over Surface area #2 Primary 956.85'12.0" Round Culvert L= 15.2' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 956.85' / 956.78' S= 0.0046 '/' Cc= 0.900 n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf #3 Device 2 958.50'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Secondary 960.50'5.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 36HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Discarded OutFlow Max=0.02 cfs @ 12.47 hrs HW=960.00' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.02 cfs) Primary OutFlow Max=0.49 cfs @ 12.51 hrs HW=960.01' TW=948.83' (Dynamic Tailwater) 2=Culvert (Passes 0.49 cfs of 4.87 cfs potential flow) 3=Orifice/Grate (Orifice Controls 0.49 cfs @ 5.57 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=954.00' TW=947.82' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Pond 6P: MH 501 Inflow Area = 1.115 ac, 29.15% Impervious, Inflow Depth = 5.10" for 100-Year event Inflow = 9.07 cfs @ 12.16 hrs, Volume= 0.474 af Outflow = 9.07 cfs @ 12.16 hrs, Volume= 0.474 af, Atten= 0%, Lag= 0.0 min Primary = 9.07 cfs @ 12.16 hrs, Volume= 0.474 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 906.38' @ 12.16 hrs Flood Elev= 916.00' Device Routing Invert Outlet Devices #1 Primary 903.19'15.0" Round Culvert L= 45.3' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 903.19' / 902.96' S= 0.0051 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 1.23 sf Primary OutFlow Max=9.03 cfs @ 12.16 hrs HW=906.36' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 9.03 cfs @ 7.36 fps) Summary for Pond 8P: Lot 1 Block 1 Infiltration Inflow Area = 0.531 ac, 24.86% Impervious, Inflow Depth = 5.57" for 100-Year event Inflow = 5.29 cfs @ 12.12 hrs, Volume= 0.246 af Outflow = 4.20 cfs @ 12.16 hrs, Volume= 0.246 af, Atten= 21%, Lag= 2.2 min Discarded = 0.00 cfs @ 4.48 hrs, Volume= 0.019 af Primary = 0.75 cfs @ 12.16 hrs, Volume= 0.135 af Secondary = 3.44 cfs @ 12.16 hrs, Volume= 0.092 af Tertiary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 913.00' @ 12.16 hrs Surf.Area= 533 sf Storage= 1,829 cf Plug-Flow detention time= 103.0 min calculated for 0.246 af (100% of inflow) Center-of-Mass det. time= 103.0 min ( 875.2 - 772.2 ) MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 37HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1A 908.00' 664 cf 6.50'W x 82.00'L x 5.50'H Field A 2,932 cf Overall - 1,272 cf Embedded = 1,659 cf x 40.0% Voids #2A 908.50' 1,272 cf CMP Round 54 x 4 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 1,936 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 908.00'0.333 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 909.63'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 910.70'12.0" W x 6.0" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Tertiary 913.02'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Discarded OutFlow Max=0.00 cfs @ 4.48 hrs HW=908.06' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.00 cfs) Primary OutFlow Max=0.75 cfs @ 12.16 hrs HW=913.00' TW=906.37' (Dynamic Tailwater) 2=Orifice/Grate (Orifice Controls 0.75 cfs @ 8.62 fps) Secondary OutFlow Max=3.44 cfs @ 12.16 hrs HW=913.00' TW=906.37' (Dynamic Tailwater) 3=Orifice/Grate (Orifice Controls 3.44 cfs @ 6.89 fps) Tertiary OutFlow Max=0.00 cfs @ 0.00 hrs HW=908.00' TW=903.19' (Dynamic Tailwater) 4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Summary for Link 1L: Lotus Lake Inflow Area = 1.176 ac, 27.64% Impervious, Inflow Depth = 5.08" for 100-Year event Inflow = 9.35 cfs @ 12.16 hrs, Volume= 0.498 af Primary = 9.35 cfs @ 12.16 hrs, Volume= 0.498 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Summary for Link 3L: NorthWest Discharge Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 4.79" for 100-Year event Inflow = 7.22 cfs @ 12.17 hrs, Volume= 0.688 af Primary = 7.22 cfs @ 12.17 hrs, Volume= 0.688 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Table of Contentspdrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 2-Year Event 5 Node Listing 7 Subcat E-2: Discharge to Wetland 8 Subcat OFF-1: Offsite Discharge to Wetland 8 Subcat S-1: Lot 3 West 9 Subcat S-2: Lot 3 East 9 Subcat S-3: Lot 2 9 Subcat S-4: (new Subcat) 10 Subcat S-5: (new Subcat) 10 Subcat S-6: (new Subcat) 11 Pond 1P: Underground 11 Pond 2P: Wetland 1 12 Pond 4P: Infiltration Road A 13 Pond 5P: Lot 2 Infiltration Basin 15 Pond 6P: MH 501 15 Pond 8P: Lot 1 Block 1 Infiltration 16 Link 1L: Lotus Lake 16 Link 3L: NorthWest Discharge 10-Year Event 16 Node Listing 18 Subcat E-2: Discharge to Wetland 19 Subcat OFF-1: Offsite Discharge to Wetland 19 Subcat S-1: Lot 3 West 20 Subcat S-2: Lot 3 East 20 Subcat S-3: Lot 2 20 Subcat S-4: (new Subcat) 21 Subcat S-5: (new Subcat) 21 Subcat S-6: (new Subcat) 22 Pond 1P: Underground 22 Pond 2P: Wetland 1 23 Pond 4P: Infiltration Road A 24 Pond 5P: Lot 2 Infiltration Basin 26 Pond 6P: MH 501 26 Pond 8P: Lot 1 Block 1 Infiltration 27 Link 1L: Lotus Lake 27 Link 3L: NorthWest Discharge 100-Year Event 27 Node Listing Table of Contentspdrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 29 Subcat E-2: Discharge to Wetland 30 Subcat OFF-1: Offsite Discharge to Wetland 30 Subcat S-1: Lot 3 West 31 Subcat S-2: Lot 3 East 31 Subcat S-3: Lot 2 31 Subcat S-4: (new Subcat) 32 Subcat S-5: (new Subcat) 32 Subcat S-6: (new Subcat) 33 Pond 1P: Underground 33 Pond 2P: Wetland 1 34 Pond 4P: Infiltration Road A 35 Pond 5P: Lot 2 Infiltration Basin 37 Pond 6P: MH 501 37 Pond 8P: Lot 1 Block 1 Infiltration 38 Link 1L: Lotus Lake 38 Link 3L: NorthWest Discharge E-2 Discharge to Wetland OFF-1 Offsite Discharge to Wetland S-1 Lot 3 West S-2 Lot 3 East S-3 Lot 2 S-4 (new Subcat) S-5 (new Subcat) S-6 (new Subcat) 1P Underground 2P Wetland 1 4P Infiltration Road A 5P Lot 2 Infiltration Basin 6PCB MH 501 8P Lot 1 Block 1 Infiltration 1L Lotus Lake 3L NorthWest Discharge Routing Diagram for pdrn Prepared by {enter your company name here}, Printed 8/8/2022 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 2-Year MSE 24-hr 3 Default 24.00 1 2.87 2 2 10-Year MSE 24-hr 3 Default 24.00 1 4.26 2 3 100-Year MSE 24-hr 3 Default 24.00 1 7.38 2 MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.473 ac Runoff Volume=0.056 af Runoff Depth=1.42" Flow Length=125' Slope=0.1606 '/' Tc=1.4 min CN=WQ 1.36 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.597 ac Runoff Volume=0.049 af Runoff Depth=0.98" Flow Length=104' Slope=0.0481 '/' Tc=2.6 min CN=77 1.28 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-1: Lot 3 West Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.185 ac Runoff Volume=0.023 af Runoff Depth=1.52" Flow Length=162' Slope=0.1000 '/' Tc=5.6 min CN=WQ 0.50 cfs Subcatchment S-2: Lot 3 East Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.52 0.5 0.48 0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.178 ac Runoff Volume=0.024 af Runoff Depth=1.63" Flow Length=107' Slope=0.0490 '/' Tc=7.6 min CN=WQ 0.47 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-3: Lot 2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.291 ac Runoff Volume=0.038 af Runoff Depth=1.58" Tc=10.0 min CN=WQ 0.67 cfs Subcatchment S-4: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.584 ac Runoff Volume=0.080 af Runoff Depth=1.64" Tc=5.0 min CN=WQ 1.73 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-5: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.531 ac Runoff Volume=0.067 af Runoff Depth=1.52" Tc=5.0 min CN=WQ 1.49 cfs Subcatchment S-6: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 MSE 24-hr 3 2-Year Rainfall=2.87" Runoff Area=0.061 ac Runoff Volume=0.005 af Runoff Depth=0.98" Tc=3.0 min CN=77 0.13 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Underground Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 Inflow Area=1.724 ac Peak Elev=941.46' Storage=1,109 cf 3.24 cfs 2.91 cfs 0.00 cfs 2.90 cfs Pond 2P: Wetland 1 Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 Inflow Area=1.539 ac Peak Elev=948.62' Storage=178 cf 2.99 cfs 2.76 cfs2.76 cfs 0.00 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Road A Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=0.584 ac Peak Elev=944.50' Storage=1,570 cf 1.73 cfs 0.39 cfs 0.01 cfs 0.38 cfs Pond 5P: Lot 2 Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=0.291 ac Peak Elev=958.48' Storage=1,205 cf 0.67 cfs 0.01 cfs0.01 cfs0.00 cfs0.00 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: MH 501 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=1.115 ac Peak Elev=903.79' 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' 1.14 cfs1.14 cfs Pond 8P: Lot 1 Block 1 Infiltration Inflow Outflow Discarded Primary Secondary Tertiary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=0.531 ac Peak Elev=910.93' Storage=1,045 cf 1.49 cfs 0.80 cfs 0.00 cfs 0.45 cfs 0.35 cfs 0.00 cfs MSE 24-hr 3 2-Year Rainfall=2.87"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=1.176 ac 1.19 cfs1.19 cfs Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 Inflow Area=1.724 ac 2.90 cfs2.90 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.473 ac Runoff Volume=0.100 af Runoff Depth=2.54" Flow Length=125' Slope=0.1606 '/' Tc=1.4 min CN=WQ 2.44 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.597 ac Runoff Volume=0.100 af Runoff Depth=2.02" Flow Length=104' Slope=0.0481 '/' Tc=2.6 min CN=77 2.59 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-1: Lot 3 West Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.185 ac Runoff Volume=0.041 af Runoff Depth=2.69" Flow Length=162' Slope=0.1000 '/' Tc=5.6 min CN=WQ 0.88 cfs Subcatchment S-2: Lot 3 East Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.178 ac Runoff Volume=0.042 af Runoff Depth=2.82" Flow Length=107' Slope=0.0490 '/' Tc=7.6 min CN=WQ 0.81 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-3: Lot 2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.291 ac Runoff Volume=0.067 af Runoff Depth=2.76" Tc=10.0 min CN=WQ 1.18 cfs Subcatchment S-4: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.584 ac Runoff Volume=0.138 af Runoff Depth=2.84" Tc=5.0 min CN=WQ 2.99 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-5: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.531 ac Runoff Volume=0.119 af Runoff Depth=2.70" Tc=5.0 min CN=WQ 2.62 cfs Subcatchment S-6: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 MSE 24-hr 3 10-Year Rainfall=4.26" Runoff Area=0.061 ac Runoff Volume=0.010 af Runoff Depth=2.02" Tc=3.0 min CN=77 0.26 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Underground Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=1.724 ac Peak Elev=941.90' Storage=1,378 cf 5.16 cfs 4.83 cfs 0.00 cfs 4.83 cfs Pond 2P: Wetland 1 Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 Inflow Area=1.539 ac Peak Elev=948.90' Storage=652 cf 5.65 cfs 4.28 cfs4.28 cfs 0.00 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Road A Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)3 2 1 0 Inflow Area=0.584 ac Peak Elev=945.48' Storage=2,313 cf 2.99 cfs 1.67 cfs 0.01 cfs 1.66 cfs Pond 5P: Lot 2 Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 Inflow Area=0.291 ac Peak Elev=958.88' Storage=1,575 cf 1.18 cfs 0.21 cfs 0.01 cfs 0.19 cfs 0.00 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: MH 501 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Inflow Area=1.115 ac Peak Elev=904.44' 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' 3.82 cfs3.82 cfs Pond 8P: Lot 1 Block 1 Infiltration Inflow Outflow Discarded Primary Secondary Tertiary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Inflow Area=0.531 ac Peak Elev=911.46' Storage=1,272 cf 2.62 cfs 2.25 cfs 0.00 cfs 0.54 cfs 1.71 cfs 0.00 cfs MSE 24-hr 3 10-Year Rainfall=4.26"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)4 3 2 1 0 Inflow Area=1.176 ac 3.93 cfs3.93 cfs Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=1.724 ac 4.83 cfs4.83 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.473 ac Runoff Volume=0.211 af Runoff Depth=5.35" Flow Length=125' Slope=0.1606 '/' Tc=1.4 min CN=WQ 4.95 cfs Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.597 ac Runoff Volume=0.234 af Runoff Depth=4.71" Flow Length=104' Slope=0.0481 '/' Tc=2.6 min CN=77 5.80 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-1: Lot 3 West Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.185 ac Runoff Volume=0.085 af Runoff Depth=5.54" Flow Length=162' Slope=0.1000 '/' Tc=5.6 min CN=WQ 1.79 cfs Subcatchment S-2: Lot 3 East Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.178 ac Runoff Volume=0.085 af Runoff Depth=5.72" Flow Length=107' Slope=0.0490 '/' Tc=7.6 min CN=WQ 1.61 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-3: Lot 2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.291 ac Runoff Volume=0.137 af Runoff Depth=5.64" Tc=10.0 min CN=WQ 2.38 cfs Subcatchment S-4: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.584 ac Runoff Volume=0.279 af Runoff Depth=5.74" Tc=5.0 min CN=WQ 5.92 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcatchment S-5: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.531 ac Runoff Volume=0.246 af Runoff Depth=5.57" Tc=5.0 min CN=WQ 5.29 cfs Subcatchment S-6: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 MSE 24-hr 3 100-Year Rainfall=7.38" Runoff Area=0.061 ac Runoff Volume=0.024 af Runoff Depth=4.71" Tc=3.0 min CN=77 0.59 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Underground Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=1.724 ac Peak Elev=942.69' Storage=1,825 cf 7.66 cfs 7.23 cfs 0.00 cfs 7.22 cfs Pond 2P: Wetland 1 Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=1.539 ac Peak Elev=949.36' Storage=3,124 cf 12.29 cfs 5.91 cfs5.91 cfs 0.00 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 4P: Infiltration Road A Inflow Outflow Discarded Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)6 5 4 3 2 1 0 Inflow Area=0.584 ac Peak Elev=947.22' Storage=3,347 cf 5.92 cfs 4.88 cfs 0.01 cfs 4.87 cfs Pond 5P: Lot 2 Infiltration Basin Inflow Outflow Discarded Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)2 1 0 Inflow Area=0.291 ac Peak Elev=960.01' Storage=3,052 cf 2.38 cfs 0.51 cfs 0.02 cfs 0.49 cfs 0.00 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 6P: MH 501 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=1.115 ac Peak Elev=906.38' 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' 9.07 cfs9.07 cfs Pond 8P: Lot 1 Block 1 Infiltration Inflow Outflow Discarded Primary Secondary Tertiary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)5 4 3 2 1 0 Inflow Area=0.531 ac Peak Elev=913.00' Storage=1,829 cf 5.29 cfs 4.20 cfs 0.00 cfs 0.75 cfs 3.44 cfs 0.00 cfs MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=1.176 ac 9.35 cfs9.35 cfs Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=1.724 ac 7.22 cfs7.22 cfs Table of Contentspdrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 2-Year Event 3 Subcat E-2: Discharge to Wetland 4 Subcat OFF-1: Offsite Discharge to Wetland 4 Subcat S-1: Lot 3 West 5 Subcat S-2: Lot 3 East 5 Subcat S-3: Lot 2 6 Subcat S-4: (new Subcat) 6 Subcat S-5: (new Subcat) 7 Subcat S-6: (new Subcat) 7 Pond 1P: Underground 8 Pond 2P: Wetland 1 8 Pond 4P: Infiltration Road A 9 Pond 5P: Lot 2 Infiltration Basin 9 Pond 6P: MH 501 10 Pond 8P: Lot 1 Block 1 Infiltration 10 Link 1L: Lotus Lake 11 Link 3L: NorthWest Discharge 10-Year Event 11 Subcat E-2: Discharge to Wetland 12 Subcat OFF-1: Offsite Discharge to Wetland 12 Subcat S-1: Lot 3 West 13 Subcat S-2: Lot 3 East 13 Subcat S-3: Lot 2 14 Subcat S-4: (new Subcat) 14 Subcat S-5: (new Subcat) 15 Subcat S-6: (new Subcat) 15 Pond 1P: Underground 16 Pond 2P: Wetland 1 16 Pond 4P: Infiltration Road A 17 Pond 5P: Lot 2 Infiltration Basin 17 Pond 6P: MH 501 18 Pond 8P: Lot 1 Block 1 Infiltration 18 Link 1L: Lotus Lake 19 Link 3L: NorthWest Discharge 100-Year Event 19 Subcat E-2: Discharge to Wetland 20 Subcat OFF-1: Offsite Discharge to Wetland 20 Subcat S-1: Lot 3 West 21 Subcat S-2: Lot 3 East 21 Subcat S-3: Lot 2 Table of Contentspdrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC 22 Subcat S-4: (new Subcat) 22 Subcat S-5: (new Subcat) 23 Subcat S-6: (new Subcat) 23 Pond 1P: Underground 24 Pond 2P: Wetland 1 24 Pond 4P: Infiltration Road A 25 Pond 5P: Lot 2 Infiltration Basin 25 Pond 6P: MH 501 26 Pond 8P: Lot 1 Block 1 Infiltration 26 Link 1L: Lotus Lake 27 Link 3L: NorthWest Discharge 1P Underground 4P Infiltration Road A 5P Lot 2 Infiltration Basin 8P Lot 1 Block 1 Infiltration Routing Diagram for pdrn Prepared by {enter your company name here}, Printed 8/8/2022 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1P: Underground Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 939.30 763 0 939.31 763 3 939.32 763 6 939.33 763 9 939.34 763 12 939.35 763 15 939.36 763 18 939.37 763 21 939.38 763 24 939.39 763 27 939.40 763 31 939.41 763 34 939.42 763 37 939.43 763 40 939.44 763 43 939.45 763 46 939.46 763 49 939.47 763 52 939.48 763 55 939.49 763 58 939.50 763 61 939.51 763 64 939.52 763 67 939.53 763 70 939.54 763 73 939.55 763 76 939.56 763 79 939.57 763 82 939.58 763 85 939.59 763 89 939.60 763 92 939.61 763 95 939.62 763 98 939.63 763 101 939.64 763 104 939.65 763 107 939.66 763 110 939.67 763 113 939.68 763 116 939.69 763 119 939.70 763 122 939.71 763 125 939.72 763 128 939.73 763 131 939.74 763 134 939.75 763 137 939.76 763 140 939.77 763 143 939.78 763 147 939.79 763 150 939.80 763 153 939.81 763 156 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 939.82 763 159 939.83 763 163 939.84 763 168 939.85 763 172 939.86 763 176 939.87 763 180 939.88 763 185 939.89 763 189 939.90 763 194 939.91 763 198 939.92 763 203 939.93 763 208 939.94 763 213 939.95 763 217 939.96 763 222 939.97 763 227 939.98 763 232 939.99 763 237 940.00 763 242 940.01 763 247 940.02 763 252 940.03 763 257 940.04 763 262 940.05 763 268 940.06 763 273 940.07 763 278 940.08 763 283 940.09 763 288 940.10 763 294 940.11 763 299 940.12 763 304 940.13 763 310 940.14 763 315 940.15 763 320 940.16 763 326 940.17 763 331 940.18 763 336 940.19 763 342 940.20 763 347 940.21 763 353 940.22 763 358 940.23 763 364 940.24 763 369 940.25 763 375 940.26 763 380 940.27 763 386 940.28 763 392 940.29 763 397 940.30 763 403 940.31 763 408 940.32 763 414 940.33 763 420 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1P: Underground (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 940.34 763 425 940.35 763 431 940.36 763 437 940.37 763 443 940.38 763 448 940.39 763 454 940.40 763 460 940.41 763 466 940.42 763 471 940.43 763 477 940.44 763 483 940.45 763 489 940.46 763 494 940.47 763 500 940.48 763 506 940.49 763 512 940.50 763 518 940.51 763 524 940.52 763 530 940.53 763 535 940.54 763 541 940.55 763 547 940.56 763 553 940.57 763 559 940.58 763 565 940.59 763 571 940.60 763 577 940.61 763 583 940.62 763 589 940.63 763 595 940.64 763 601 940.65 763 607 940.66 763 613 940.67 763 619 940.68 763 625 940.69 763 631 940.70 763 637 940.71 763 643 940.72 763 649 940.73 763 655 940.74 763 661 940.75 763 667 940.76 763 673 940.77 763 679 940.78 763 685 940.79 763 691 940.80 763 697 940.81 763 703 940.82 763 710 940.83 763 716 940.84 763 722 940.85 763 728 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 940.86 763 734 940.87 763 740 940.88 763 746 940.89 763 752 940.90 763 759 940.91 763 765 940.92 763 771 940.93 763 777 940.94 763 783 940.95 763 789 940.96 763 795 940.97 763 802 940.98 763 808 940.99 763 814 941.00 763 820 941.01 763 826 941.02 763 833 941.03 763 839 941.04 763 845 941.05 763 851 941.06 763 857 941.07 763 863 941.08 763 870 941.09 763 876 941.10 763 882 941.11 763 888 941.12 763 894 941.13 763 901 941.14 763 907 941.15 763 913 941.16 763 919 941.17 763 926 941.18 763 932 941.19 763 938 941.20 763 944 941.21 763 950 941.22 763 957 941.23 763 963 941.24 763 969 941.25 763 975 941.26 763 982 941.27 763 988 941.28 763 994 941.29 763 1,000 941.30 763 1,007 941.31 763 1,013 941.32 763 1,019 941.33 763 1,025 941.34 763 1,031 941.35 763 1,038 941.36 763 1,044 941.37 763 1,050 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1P: Underground (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 941.38 763 1,056 941.39 763 1,063 941.40 763 1,069 941.41 763 1,075 941.42 763 1,081 941.43 763 1,088 941.44 763 1,094 941.45 763 1,100 941.46 763 1,106 941.47 763 1,112 941.48 763 1,119 941.49 763 1,125 941.50 763 1,131 941.51 763 1,137 941.52 763 1,144 941.53 763 1,150 941.54 763 1,156 941.55 763 1,162 941.56 763 1,168 941.57 763 1,175 941.58 763 1,181 941.59 763 1,187 941.60 763 1,193 941.61 763 1,199 941.62 763 1,206 941.63 763 1,212 941.64 763 1,218 941.65 763 1,224 941.66 763 1,230 941.67 763 1,236 941.68 763 1,243 941.69 763 1,249 941.70 763 1,255 941.71 763 1,261 941.72 763 1,267 941.73 763 1,273 941.74 763 1,280 941.75 763 1,286 941.76 763 1,292 941.77 763 1,298 941.78 763 1,304 941.79 763 1,310 941.80 763 1,316 941.81 763 1,323 941.82 763 1,329 941.83 763 1,335 941.84 763 1,341 941.85 763 1,347 941.86 763 1,353 941.87 763 1,359 941.88 763 1,365 941.89 763 1,371 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 941.90 763 1,377 941.91 763 1,383 941.92 763 1,390 941.93 763 1,396 941.94 763 1,402 941.95 763 1,408 941.96 763 1,414 941.97 763 1,420 941.98 763 1,426 941.99 763 1,432 942.00 763 1,438 942.01 763 1,444 942.02 763 1,450 942.03 763 1,456 942.04 763 1,462 942.05 763 1,468 942.06 763 1,474 942.07 763 1,480 942.08 763 1,486 942.09 763 1,492 942.10 763 1,497 942.11 763 1,503 942.12 763 1,509 942.13 763 1,515 942.14 763 1,520 942.15 763 1,526 942.16 763 1,532 942.17 763 1,538 942.18 763 1,544 942.19 763 1,550 942.20 763 1,556 942.21 763 1,561 942.22 763 1,567 942.23 763 1,573 942.24 763 1,579 942.25 763 1,585 942.26 763 1,590 942.27 763 1,596 942.28 763 1,602 942.29 763 1,608 942.30 763 1,613 942.31 763 1,619 942.32 763 1,625 942.33 763 1,630 942.34 763 1,636 942.35 763 1,642 942.36 763 1,647 942.37 763 1,653 942.38 763 1,659 942.39 763 1,664 942.40 763 1,670 942.41 763 1,676 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1P: Underground (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 942.42 763 1,681 942.43 763 1,687 942.44 763 1,692 942.45 763 1,698 942.46 763 1,703 942.47 763 1,709 942.48 763 1,714 942.49 763 1,720 942.50 763 1,725 942.51 763 1,731 942.52 763 1,736 942.53 763 1,742 942.54 763 1,747 942.55 763 1,753 942.56 763 1,758 942.57 763 1,763 942.58 763 1,769 942.59 763 1,774 942.60 763 1,779 942.61 763 1,785 942.62 763 1,790 942.63 763 1,795 942.64 763 1,801 942.65 763 1,806 942.66 763 1,811 942.67 763 1,816 942.68 763 1,822 942.69 763 1,827 942.70 763 1,832 942.71 763 1,837 942.72 763 1,842 942.73 763 1,847 942.74 763 1,852 942.75 763 1,857 942.76 763 1,863 942.77 763 1,868 942.78 763 1,873 942.79 763 1,878 942.80 763 1,883 942.81 763 1,888 942.82 763 1,892 942.83 763 1,897 942.84 763 1,902 942.85 763 1,907 942.86 763 1,912 942.87 763 1,917 942.88 763 1,922 942.89 763 1,926 942.90 763 1,931 942.91 763 1,936 942.92 763 1,941 942.93 763 1,945 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 942.94 763 1,950 942.95 763 1,955 942.96 763 1,959 942.97 763 1,964 942.98 763 1,968 942.99 763 1,973 943.00 763 1,977 943.01 763 1,982 943.02 763 1,986 943.03 763 1,990 943.04 763 1,995 943.05 763 1,999 943.06 763 2,003 943.07 763 2,008 943.08 763 2,012 943.09 763 2,016 943.10 763 2,020 943.11 763 2,024 943.12 763 2,028 943.13 763 2,032 943.14 763 2,036 943.15 763 2,040 943.16 763 2,044 943.17 763 2,048 943.18 763 2,051 943.19 763 2,055 943.20 763 2,058 943.21 763 2,062 943.22 763 2,065 943.23 763 2,068 943.24 763 2,071 943.25 763 2,074 943.26 763 2,077 943.27 763 2,080 943.28 763 2,083 943.29 763 2,086 943.30 763 2,089 943.31 763 2,092 943.32 763 2,096 943.33 763 2,099 943.34 763 2,102 943.35 763 2,105 943.36 763 2,108 943.37 763 2,111 943.38 763 2,114 943.39 763 2,117 943.40 763 2,120 943.41 763 2,123 943.42 763 2,126 943.43 763 2,129 943.44 763 2,132 943.45 763 2,135 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1P: Underground (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 943.46 763 2,138 943.47 763 2,141 943.48 763 2,144 943.49 763 2,147 943.50 763 2,150 943.51 763 2,154 943.52 763 2,157 943.53 763 2,160 943.54 763 2,163 943.55 763 2,166 943.56 763 2,169 943.57 763 2,172 943.58 763 2,175 943.59 763 2,178 943.60 763 2,181 943.61 763 2,184 943.62 763 2,187 943.63 763 2,190 943.64 763 2,193 943.65 763 2,196 943.66 763 2,199 943.67 763 2,202 943.68 763 2,205 943.69 763 2,208 943.70 763 2,212 943.71 763 2,215 943.72 763 2,217 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 4P: Infiltration Road A Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 941.94 941 0 941.95 941 4 941.96 941 8 941.97 941 11 941.98 941 15 941.99 941 19 942.00 941 23 942.01 941 26 942.02 941 30 942.03 941 34 942.04 941 38 942.05 941 41 942.06 941 45 942.07 941 49 942.08 941 53 942.09 941 56 942.10 941 60 942.11 941 64 942.12 941 68 942.13 941 71 942.14 941 75 942.15 941 79 942.16 941 83 942.17 941 87 942.18 941 90 942.19 941 94 942.20 941 98 942.21 941 102 942.22 941 105 942.23 941 109 942.24 941 113 942.25 941 117 942.26 941 120 942.27 941 124 942.28 941 128 942.29 941 132 942.30 941 135 942.31 941 139 942.32 941 143 942.33 941 147 942.34 941 151 942.35 941 154 942.36 941 158 942.37 941 162 942.38 941 166 942.39 941 169 942.40 941 173 942.41 941 177 942.42 941 181 942.43 941 184 942.44 941 188 942.45 941 192 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 942.46 941 196 942.47 941 200 942.48 941 205 942.49 941 210 942.50 941 214 942.51 941 219 942.52 941 224 942.53 941 229 942.54 941 233 942.55 941 238 942.56 941 243 942.57 941 248 942.58 941 253 942.59 941 258 942.60 941 264 942.61 941 269 942.62 941 274 942.63 941 279 942.64 941 285 942.65 941 290 942.66 941 296 942.67 941 301 942.68 941 306 942.69 941 312 942.70 941 317 942.71 941 323 942.72 941 329 942.73 941 334 942.74 941 340 942.75 941 346 942.76 941 351 942.77 941 357 942.78 941 363 942.79 941 369 942.80 941 375 942.81 941 380 942.82 941 386 942.83 941 392 942.84 941 398 942.85 941 404 942.86 941 410 942.87 941 416 942.88 941 422 942.89 941 428 942.90 941 434 942.91 941 440 942.92 941 447 942.93 941 453 942.94 941 459 942.95 941 465 942.96 941 471 942.97 941 478 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 4P: Infiltration Road A (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 942.98 941 484 942.99 941 490 943.00 941 496 943.01 941 503 943.02 941 509 943.03 941 515 943.04 941 522 943.05 941 528 943.06 941 535 943.07 941 541 943.08 941 547 943.09 941 554 943.10 941 560 943.11 941 567 943.12 941 573 943.13 941 580 943.14 941 586 943.15 941 593 943.16 941 600 943.17 941 606 943.18 941 613 943.19 941 619 943.20 941 626 943.21 941 633 943.22 941 639 943.23 941 646 943.24 941 653 943.25 941 659 943.26 941 666 943.27 941 673 943.28 941 680 943.29 941 686 943.30 941 693 943.31 941 700 943.32 941 707 943.33 941 714 943.34 941 720 943.35 941 727 943.36 941 734 943.37 941 741 943.38 941 748 943.39 941 755 943.40 941 762 943.41 941 769 943.42 941 776 943.43 941 782 943.44 941 789 943.45 941 796 943.46 941 803 943.47 941 810 943.48 941 817 943.49 941 824 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 943.50 941 831 943.51 941 838 943.52 941 846 943.53 941 853 943.54 941 860 943.55 941 867 943.56 941 874 943.57 941 881 943.58 941 888 943.59 941 895 943.60 941 902 943.61 941 909 943.62 941 917 943.63 941 924 943.64 941 931 943.65 941 938 943.66 941 945 943.67 941 952 943.68 941 960 943.69 941 967 943.70 941 974 943.71 941 981 943.72 941 988 943.73 941 996 943.74 941 1,003 943.75 941 1,010 943.76 941 1,017 943.77 941 1,025 943.78 941 1,032 943.79 941 1,039 943.80 941 1,047 943.81 941 1,054 943.82 941 1,061 943.83 941 1,068 943.84 941 1,076 943.85 941 1,083 943.86 941 1,090 943.87 941 1,098 943.88 941 1,105 943.89 941 1,113 943.90 941 1,120 943.91 941 1,127 943.92 941 1,135 943.93 941 1,142 943.94 941 1,149 943.95 941 1,157 943.96 941 1,164 943.97 941 1,172 943.98 941 1,179 943.99 941 1,186 944.00 941 1,194 944.01 941 1,201 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 4P: Infiltration Road A (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 944.02 941 1,209 944.03 941 1,216 944.04 941 1,224 944.05 941 1,231 944.06 941 1,238 944.07 941 1,246 944.08 941 1,253 944.09 941 1,261 944.10 941 1,268 944.11 941 1,276 944.12 941 1,283 944.13 941 1,291 944.14 941 1,298 944.15 941 1,306 944.16 941 1,313 944.17 941 1,321 944.18 941 1,328 944.19 941 1,336 944.20 941 1,343 944.21 941 1,351 944.22 941 1,358 944.23 941 1,366 944.24 941 1,373 944.25 941 1,381 944.26 941 1,388 944.27 941 1,396 944.28 941 1,404 944.29 941 1,411 944.30 941 1,419 944.31 941 1,426 944.32 941 1,434 944.33 941 1,441 944.34 941 1,449 944.35 941 1,456 944.36 941 1,464 944.37 941 1,472 944.38 941 1,479 944.39 941 1,487 944.40 941 1,494 944.41 941 1,502 944.42 941 1,510 944.43 941 1,517 944.44 941 1,525 944.45 941 1,532 944.46 941 1,540 944.47 941 1,547 944.48 941 1,555 944.49 941 1,563 944.50 941 1,570 944.51 941 1,578 944.52 941 1,585 944.53 941 1,593 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 944.54 941 1,601 944.55 941 1,608 944.56 941 1,616 944.57 941 1,623 944.58 941 1,631 944.59 941 1,639 944.60 941 1,646 944.61 941 1,654 944.62 941 1,661 944.63 941 1,669 944.64 941 1,677 944.65 941 1,684 944.66 941 1,692 944.67 941 1,700 944.68 941 1,707 944.69 941 1,715 944.70 941 1,722 944.71 941 1,730 944.72 941 1,738 944.73 941 1,745 944.74 941 1,753 944.75 941 1,760 944.76 941 1,768 944.77 941 1,776 944.78 941 1,783 944.79 941 1,791 944.80 941 1,798 944.81 941 1,806 944.82 941 1,814 944.83 941 1,821 944.84 941 1,829 944.85 941 1,836 944.86 941 1,844 944.87 941 1,852 944.88 941 1,859 944.89 941 1,867 944.90 941 1,874 944.91 941 1,882 944.92 941 1,890 944.93 941 1,897 944.94 941 1,905 944.95 941 1,912 944.96 941 1,920 944.97 941 1,928 944.98 941 1,935 944.99 941 1,943 945.00 941 1,950 945.01 941 1,958 945.02 941 1,965 945.03 941 1,973 945.04 941 1,981 945.05 941 1,988 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 4P: Infiltration Road A (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 945.06 941 1,996 945.07 941 2,003 945.08 941 2,011 945.09 941 2,018 945.10 941 2,026 945.11 941 2,033 945.12 941 2,041 945.13 941 2,049 945.14 941 2,056 945.15 941 2,064 945.16 941 2,071 945.17 941 2,079 945.18 941 2,086 945.19 941 2,094 945.20 941 2,101 945.21 941 2,109 945.22 941 2,116 945.23 941 2,124 945.24 941 2,131 945.25 941 2,139 945.26 941 2,146 945.27 941 2,154 945.28 941 2,161 945.29 941 2,169 945.30 941 2,176 945.31 941 2,184 945.32 941 2,191 945.33 941 2,198 945.34 941 2,206 945.35 941 2,213 945.36 941 2,221 945.37 941 2,228 945.38 941 2,236 945.39 941 2,243 945.40 941 2,250 945.41 941 2,258 945.42 941 2,265 945.43 941 2,273 945.44 941 2,280 945.45 941 2,287 945.46 941 2,295 945.47 941 2,302 945.48 941 2,310 945.49 941 2,317 945.50 941 2,324 945.51 941 2,332 945.52 941 2,339 945.53 941 2,346 945.54 941 2,354 945.55 941 2,361 945.56 941 2,368 945.57 941 2,376 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 945.58 941 2,383 945.59 941 2,390 945.60 941 2,397 945.61 941 2,405 945.62 941 2,412 945.63 941 2,419 945.64 941 2,427 945.65 941 2,434 945.66 941 2,441 945.67 941 2,448 945.68 941 2,455 945.69 941 2,463 945.70 941 2,470 945.71 941 2,477 945.72 941 2,484 945.73 941 2,491 945.74 941 2,499 945.75 941 2,506 945.76 941 2,513 945.77 941 2,520 945.78 941 2,527 945.79 941 2,534 945.80 941 2,541 945.81 941 2,549 945.82 941 2,556 945.83 941 2,563 945.84 941 2,570 945.85 941 2,577 945.86 941 2,584 945.87 941 2,591 945.88 941 2,598 945.89 941 2,605 945.90 941 2,612 945.91 941 2,619 945.92 941 2,626 945.93 941 2,633 945.94 941 2,640 945.95 941 2,647 945.96 941 2,654 945.97 941 2,661 945.98 941 2,668 945.99 941 2,675 946.00 941 2,682 946.01 941 2,688 946.02 941 2,695 946.03 941 2,702 946.04 941 2,709 946.05 941 2,716 946.06 941 2,723 946.07 941 2,730 946.08 941 2,736 946.09 941 2,743 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 4P: Infiltration Road A (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 946.10 941 2,750 946.11 941 2,757 946.12 941 2,763 946.13 941 2,770 946.14 941 2,777 946.15 941 2,783 946.16 941 2,790 946.17 941 2,797 946.18 941 2,803 946.19 941 2,810 946.20 941 2,817 946.21 941 2,823 946.22 941 2,830 946.23 941 2,837 946.24 941 2,843 946.25 941 2,850 946.26 941 2,856 946.27 941 2,863 946.28 941 2,869 946.29 941 2,876 946.30 941 2,882 946.31 941 2,889 946.32 941 2,895 946.33 941 2,901 946.34 941 2,908 946.35 941 2,914 946.36 941 2,920 946.37 941 2,927 946.38 941 2,933 946.39 941 2,939 946.40 941 2,946 946.41 941 2,952 946.42 941 2,958 946.43 941 2,964 946.44 941 2,971 946.45 941 2,977 946.46 941 2,983 946.47 941 2,989 946.48 941 2,995 946.49 941 3,001 946.50 941 3,007 946.51 941 3,013 946.52 941 3,019 946.53 941 3,025 946.54 941 3,031 946.55 941 3,037 946.56 941 3,043 946.57 941 3,049 946.58 941 3,055 946.59 941 3,061 946.60 941 3,067 946.61 941 3,072 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 946.62 941 3,078 946.63 941 3,084 946.64 941 3,089 946.65 941 3,095 946.66 941 3,101 946.67 941 3,106 946.68 941 3,112 946.69 941 3,118 946.70 941 3,123 946.71 941 3,129 946.72 941 3,134 946.73 941 3,139 946.74 941 3,145 946.75 941 3,150 946.76 941 3,155 946.77 941 3,161 946.78 941 3,166 946.79 941 3,171 946.80 941 3,176 946.81 941 3,181 946.82 941 3,186 946.83 941 3,191 946.84 941 3,196 946.85 941 3,201 946.86 941 3,206 946.87 941 3,211 946.88 941 3,215 946.89 941 3,220 946.90 941 3,224 946.91 941 3,229 946.92 941 3,233 946.93 941 3,237 946.94 941 3,241 946.95 941 3,245 946.96 941 3,249 946.97 941 3,253 946.98 941 3,256 946.99 941 3,260 947.00 941 3,264 947.01 941 3,268 947.02 941 3,271 947.03 941 3,275 947.04 941 3,279 947.05 941 3,283 947.06 941 3,286 947.07 941 3,290 947.08 941 3,294 947.09 941 3,298 947.10 941 3,302 947.11 941 3,305 947.12 941 3,309 947.13 941 3,313 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 4P: Infiltration Road A (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 947.14 941 3,317 947.15 941 3,320 947.16 941 3,324 947.17 941 3,328 947.18 941 3,332 947.19 941 3,335 947.20 941 3,339 947.21 941 3,343 947.22 941 3,347 947.23 941 3,350 947.24 941 3,354 947.25 941 3,358 947.26 941 3,362 947.27 941 3,365 947.28 941 3,369 947.29 941 3,373 947.30 941 3,377 947.31 941 3,381 947.32 941 3,384 947.33 941 3,388 947.34 941 3,392 947.35 941 3,396 947.36 941 3,399 947.37 941 3,403 947.38 941 3,407 947.39 941 3,411 947.40 941 3,414 947.41 941 3,418 947.42 941 3,422 947.43 941 3,426 947.44 941 3,429 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 954.00 561 0 954.01 561 2 954.02 561 3 954.03 561 5 954.04 561 7 954.05 561 8 954.06 561 10 954.07 561 12 954.08 561 13 954.09 561 15 954.10 561 17 954.11 561 19 954.12 561 20 954.13 561 22 954.14 561 24 954.15 561 25 954.16 561 27 954.17 561 29 954.18 561 30 954.19 561 32 954.20 561 34 954.21 561 35 954.22 561 37 954.23 561 39 954.24 561 40 954.25 561 42 954.26 561 44 954.27 561 45 954.28 561 47 954.29 561 49 954.30 561 50 954.31 561 52 954.32 561 54 954.33 561 56 954.34 561 57 954.35 561 59 954.36 561 61 954.37 561 62 954.38 561 64 954.39 561 66 954.40 561 67 954.41 561 69 954.42 561 71 954.43 561 72 954.44 561 74 954.45 561 76 954.46 561 77 954.47 561 79 954.48 561 81 954.49 561 82 954.50 561 84 954.51 561 86 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 954.52 561 88 954.53 561 89 954.54 561 91 954.55 561 93 954.56 561 94 954.57 561 96 954.58 561 98 954.59 561 99 954.60 561 101 954.61 561 103 954.62 561 104 954.63 561 106 954.64 561 108 954.65 561 109 954.66 561 111 954.67 561 113 954.68 561 114 954.69 561 116 954.70 561 118 954.71 561 119 954.72 561 121 954.73 561 123 954.74 561 125 954.75 561 126 954.76 561 128 954.77 561 130 954.78 561 131 954.79 561 133 954.80 561 135 954.81 561 136 954.82 561 138 954.83 561 140 954.84 561 141 954.85 561 143 954.86 561 145 954.87 561 146 954.88 561 148 954.89 561 150 954.90 561 151 954.91 561 153 954.92 561 155 954.93 561 157 954.94 561 158 954.95 561 160 954.96 561 162 954.97 561 163 954.98 561 165 954.99 561 167 955.00 561 168 955.01 561 170 955.02 561 172 955.03 561 173 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 955.04 561 175 955.05 561 177 955.06 561 178 955.07 561 180 955.08 561 182 955.09 561 183 955.10 561 185 955.11 561 187 955.12 561 188 955.13 561 190 955.14 561 192 955.15 561 194 955.16 561 195 955.17 561 197 955.18 561 199 955.19 561 200 955.20 561 202 955.21 561 204 955.22 561 205 955.23 561 207 955.24 561 209 955.25 561 210 955.26 561 212 955.27 561 214 955.28 561 215 955.29 561 217 955.30 561 219 955.31 561 220 955.32 561 222 955.33 561 224 955.34 561 226 955.35 561 227 955.36 561 229 955.37 561 231 955.38 561 232 955.39 561 234 955.40 561 236 955.41 561 237 955.42 561 239 955.43 561 241 955.44 561 242 955.45 561 244 955.46 561 246 955.47 561 247 955.48 561 249 955.49 561 251 955.50 561 252 955.51 561 254 955.52 561 256 955.53 561 257 955.54 561 259 955.55 561 261 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 955.56 561 263 955.57 561 264 955.58 561 266 955.59 561 268 955.60 561 269 955.61 561 271 955.62 561 273 955.63 561 274 955.64 561 276 955.65 561 278 955.66 561 279 955.67 561 281 955.68 561 283 955.69 561 284 955.70 561 286 955.71 561 288 955.72 561 289 955.73 561 291 955.74 561 293 955.75 561 295 955.76 561 296 955.77 561 298 955.78 561 300 955.79 561 301 955.80 561 303 955.81 561 305 955.82 561 306 955.83 561 308 955.84 561 310 955.85 561 311 955.86 561 313 955.87 561 315 955.88 561 316 955.89 561 318 955.90 561 320 955.91 561 321 955.92 561 323 955.93 561 325 955.94 561 327 955.95 561 328 955.96 561 330 955.97 561 332 955.98 561 333 955.99 561 335 956.00 561 337 956.01 561 338 956.02 561 340 956.03 561 342 956.04 561 343 956.05 561 345 956.06 561 347 956.07 561 348 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 956.08 561 350 956.09 561 352 956.10 561 353 956.11 561 355 956.12 561 357 956.13 561 358 956.14 561 360 956.15 561 362 956.16 561 364 956.17 561 365 956.18 561 367 956.19 561 369 956.20 561 370 956.21 561 372 956.22 561 374 956.23 561 375 956.24 561 377 956.25 561 379 956.26 561 380 956.27 561 382 956.28 561 384 956.29 561 385 956.30 561 387 956.31 561 389 956.32 561 390 956.33 561 392 956.34 561 394 956.35 561 396 956.36 561 397 956.37 561 399 956.38 561 401 956.39 561 402 956.40 561 404 956.41 561 406 956.42 561 407 956.43 561 409 956.44 561 411 956.45 561 412 956.46 561 414 956.47 561 416 956.48 561 417 956.49 561 419 956.50 561 421 956.51 561 422 956.52 561 424 956.53 561 426 956.54 561 427 956.55 561 429 956.56 561 431 956.57 561 433 956.58 561 434 956.59 561 436 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 956.60 561 438 956.61 561 439 956.62 561 441 956.63 561 443 956.64 561 444 956.65 561 446 956.66 561 448 956.67 561 449 956.68 561 451 956.69 561 453 956.70 561 454 956.71 561 456 956.72 561 458 956.73 561 459 956.74 561 461 956.75 561 463 956.76 561 465 956.77 561 466 956.78 561 468 956.79 561 470 956.80 561 471 956.81 561 473 956.82 561 475 956.83 561 476 956.84 561 478 956.85 561 480 956.86 561 481 956.87 561 483 956.88 561 485 956.89 561 486 956.90 561 488 956.91 561 490 956.92 561 491 956.93 561 493 956.94 561 495 956.95 561 496 956.96 561 498 956.97 561 500 956.98 561 502 956.99 561 503 957.00 748 505 957.01 752 507 957.02 755 509 957.03 759 511 957.04 763 513 957.05 767 515 957.06 770 517 957.07 774 519 957.08 778 521 957.09 782 523 957.10 785 525 957.11 789 528 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 957.12 793 530 957.13 797 532 957.14 800 535 957.15 804 537 957.16 808 540 957.17 812 542 957.18 815 545 957.19 819 547 957.20 823 550 957.21 827 552 957.22 830 555 957.23 834 558 957.24 838 561 957.25 842 563 957.26 845 566 957.27 849 569 957.28 853 572 957.29 856 575 957.30 860 578 957.31 864 581 957.32 868 584 957.33 871 587 957.34 875 590 957.35 879 593 957.36 883 596 957.37 886 600 957.38 890 603 957.39 894 606 957.40 898 610 957.41 901 613 957.42 905 616 957.43 909 620 957.44 913 623 957.45 916 627 957.46 920 630 957.47 924 634 957.48 928 638 957.49 931 641 957.50 935 645 957.51 939 649 957.52 942 653 957.53 946 657 957.54 950 660 957.55 954 664 957.56 957 668 957.57 961 672 957.58 965 676 957.59 969 680 957.60 972 684 957.61 976 689 957.62 980 693 957.63 984 697 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 957.64 987 701 957.65 991 705 957.66 995 710 957.67 999 714 957.68 1,002 719 957.69 1,006 723 957.70 1,010 727 957.71 1,014 732 957.72 1,017 736 957.73 1,021 741 957.74 1,025 746 957.75 1,029 750 957.76 1,032 755 957.77 1,036 760 957.78 1,040 765 957.79 1,043 769 957.80 1,047 774 957.81 1,051 779 957.82 1,055 784 957.83 1,058 789 957.84 1,062 794 957.85 1,066 799 957.86 1,070 804 957.87 1,073 809 957.88 1,077 814 957.89 1,081 819 957.90 1,085 825 957.91 1,088 830 957.92 1,092 835 957.93 1,096 841 957.94 1,100 846 957.95 1,103 851 957.96 1,107 857 957.97 1,111 862 957.98 1,115 868 957.99 1,118 873 958.00 1,122 879 958.01 1,127 885 958.02 1,132 890 958.03 1,138 896 958.04 1,143 902 958.05 1,148 908 958.06 1,153 913 958.07 1,158 919 958.08 1,164 925 958.09 1,169 932 958.10 1,174 938 958.11 1,179 944 958.12 1,185 950 958.13 1,190 956 958.14 1,195 963 958.15 1,200 969 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 958.16 1,205 975 958.17 1,211 982 958.18 1,216 988 958.19 1,221 995 958.20 1,226 1,002 958.21 1,231 1,008 958.22 1,237 1,015 958.23 1,242 1,022 958.24 1,247 1,029 958.25 1,252 1,035 958.26 1,257 1,042 958.27 1,263 1,049 958.28 1,268 1,056 958.29 1,273 1,063 958.30 1,278 1,071 958.31 1,284 1,078 958.32 1,289 1,085 958.33 1,294 1,092 958.34 1,299 1,100 958.35 1,304 1,107 958.36 1,310 1,115 958.37 1,315 1,122 958.38 1,320 1,130 958.39 1,325 1,137 958.40 1,330 1,145 958.41 1,336 1,153 958.42 1,341 1,160 958.43 1,346 1,168 958.44 1,351 1,176 958.45 1,356 1,184 958.46 1,362 1,192 958.47 1,367 1,200 958.48 1,372 1,208 958.49 1,377 1,216 958.50 1,383 1,225 958.51 1,388 1,233 958.52 1,393 1,241 958.53 1,398 1,249 958.54 1,403 1,258 958.55 1,409 1,266 958.56 1,414 1,275 958.57 1,419 1,283 958.58 1,424 1,292 958.59 1,429 1,301 958.60 1,435 1,309 958.61 1,440 1,318 958.62 1,445 1,327 958.63 1,450 1,336 958.64 1,455 1,345 958.65 1,461 1,354 958.66 1,466 1,363 958.67 1,471 1,372 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 958.68 1,476 1,381 958.69 1,481 1,390 958.70 1,487 1,399 958.71 1,492 1,409 958.72 1,497 1,418 958.73 1,502 1,427 958.74 1,508 1,437 958.75 1,513 1,446 958.76 1,518 1,456 958.77 1,523 1,465 958.78 1,528 1,475 958.79 1,534 1,485 958.80 1,539 1,494 958.81 1,544 1,504 958.82 1,549 1,514 958.83 1,554 1,524 958.84 1,560 1,534 958.85 1,565 1,544 958.86 1,570 1,554 958.87 1,575 1,564 958.88 1,580 1,574 958.89 1,586 1,585 958.90 1,591 1,595 958.91 1,596 1,605 958.92 1,601 1,616 958.93 1,607 1,626 958.94 1,612 1,636 958.95 1,617 1,647 958.96 1,622 1,658 958.97 1,627 1,668 958.98 1,633 1,679 958.99 1,638 1,690 959.00 1,643 1,700 959.01 1,648 1,711 959.02 1,653 1,722 959.03 1,659 1,733 959.04 1,664 1,744 959.05 1,669 1,755 959.06 1,674 1,766 959.07 1,679 1,777 959.08 1,685 1,789 959.09 1,690 1,800 959.10 1,695 1,811 959.11 1,700 1,823 959.12 1,706 1,834 959.13 1,711 1,845 959.14 1,716 1,857 959.15 1,721 1,869 959.16 1,726 1,880 959.17 1,732 1,892 959.18 1,737 1,904 959.19 1,742 1,915 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 959.20 1,747 1,927 959.21 1,752 1,939 959.22 1,758 1,951 959.23 1,763 1,963 959.24 1,768 1,975 959.25 1,773 1,987 959.26 1,778 1,999 959.27 1,784 2,012 959.28 1,789 2,024 959.29 1,794 2,036 959.30 1,799 2,048 959.31 1,805 2,061 959.32 1,810 2,073 959.33 1,815 2,086 959.34 1,820 2,098 959.35 1,825 2,111 959.36 1,831 2,124 959.37 1,836 2,136 959.38 1,841 2,149 959.39 1,846 2,162 959.40 1,851 2,175 959.41 1,857 2,188 959.42 1,862 2,201 959.43 1,867 2,214 959.44 1,872 2,227 959.45 1,877 2,240 959.46 1,883 2,253 959.47 1,888 2,266 959.48 1,893 2,280 959.49 1,898 2,293 959.50 1,904 2,307 959.51 1,909 2,320 959.52 1,914 2,333 959.53 1,919 2,347 959.54 1,924 2,361 959.55 1,930 2,374 959.56 1,935 2,388 959.57 1,940 2,402 959.58 1,945 2,416 959.59 1,950 2,429 959.60 1,956 2,443 959.61 1,961 2,457 959.62 1,966 2,471 959.63 1,971 2,485 959.64 1,976 2,500 959.65 1,982 2,514 959.66 1,987 2,528 959.67 1,992 2,542 959.68 1,997 2,557 959.69 2,002 2,571 959.70 2,008 2,585 959.71 2,013 2,600 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 959.72 2,018 2,614 959.73 2,023 2,629 959.74 2,029 2,644 959.75 2,034 2,658 959.76 2,039 2,673 959.77 2,044 2,688 959.78 2,049 2,703 959.79 2,055 2,718 959.80 2,060 2,733 959.81 2,065 2,748 959.82 2,070 2,763 959.83 2,075 2,778 959.84 2,081 2,793 959.85 2,086 2,808 959.86 2,091 2,824 959.87 2,096 2,839 959.88 2,101 2,854 959.89 2,107 2,870 959.90 2,112 2,885 959.91 2,117 2,901 959.92 2,122 2,916 959.93 2,128 2,932 959.94 2,133 2,948 959.95 2,138 2,963 959.96 2,143 2,979 959.97 2,148 2,995 959.98 2,154 3,011 959.99 2,159 3,027 960.00 2,164 3,043 960.01 2,164 3,059 960.02 2,164 3,075 960.03 2,164 3,091 960.04 2,164 3,107 960.05 2,164 3,123 960.06 2,164 3,139 960.07 2,164 3,155 960.08 2,164 3,171 960.09 2,164 3,187 960.10 2,164 3,203 960.11 2,164 3,219 960.12 2,164 3,235 960.13 2,164 3,251 960.14 2,164 3,267 960.15 2,164 3,283 960.16 2,164 3,299 960.17 2,164 3,315 960.18 2,164 3,331 960.19 2,164 3,347 960.20 2,164 3,364 960.21 2,164 3,380 960.22 2,164 3,396 960.23 2,164 3,412 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 960.24 2,164 3,428 960.25 2,164 3,444 960.26 2,164 3,460 960.27 2,164 3,476 960.28 2,164 3,492 960.29 2,164 3,508 960.30 2,164 3,524 960.31 2,164 3,540 960.32 2,164 3,556 960.33 2,164 3,572 960.34 2,164 3,588 960.35 2,164 3,604 960.36 2,164 3,620 960.37 2,164 3,636 960.38 2,164 3,652 960.39 2,164 3,668 960.40 2,164 3,684 960.41 2,164 3,700 960.42 2,164 3,716 960.43 2,164 3,732 960.44 2,164 3,748 960.45 2,164 3,764 960.46 2,164 3,780 960.47 2,164 3,796 960.48 2,164 3,812 960.49 2,164 3,828 960.50 2,164 3,844 960.51 2,164 3,860 960.52 2,164 3,876 960.53 2,164 3,892 960.54 2,164 3,909 960.55 2,164 3,925 960.56 2,164 3,941 960.57 2,164 3,957 960.58 2,164 3,973 960.59 2,164 3,989 960.60 2,164 4,005 960.61 2,164 4,021 960.62 2,164 4,037 960.63 2,164 4,053 960.64 2,164 4,069 960.65 2,164 4,085 960.66 2,164 4,101 960.67 2,164 4,117 960.68 2,164 4,133 960.69 2,164 4,149 960.70 2,164 4,165 960.71 2,164 4,181 960.72 2,164 4,197 960.73 2,164 4,213 960.74 2,164 4,229 960.75 2,164 4,245 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 960.76 2,164 4,261 960.77 2,164 4,277 960.78 2,164 4,293 960.79 2,164 4,309 960.80 2,164 4,325 960.81 2,164 4,341 960.82 2,164 4,357 960.83 2,164 4,373 960.84 2,164 4,389 960.85 2,164 4,405 960.86 2,164 4,421 960.87 2,164 4,438 960.88 2,164 4,454 960.89 2,164 4,470 960.90 2,164 4,486 960.91 2,164 4,502 960.92 2,164 4,518 960.93 2,164 4,534 960.94 2,164 4,550 960.95 2,164 4,566 960.96 2,164 4,582 960.97 2,164 4,598 960.98 2,164 4,614 960.99 2,164 4,630 961.00 2,164 4,646 961.01 2,164 4,662 961.02 2,164 4,678 961.03 2,164 4,694 961.04 2,164 4,710 961.05 2,164 4,726 961.06 2,164 4,742 961.07 2,164 4,758 961.08 2,164 4,774 961.09 2,164 4,790 961.10 2,164 4,806 961.11 2,164 4,822 961.12 2,164 4,838 961.13 2,164 4,854 961.14 2,164 4,870 961.15 2,164 4,886 961.16 2,164 4,902 961.17 2,164 4,918 961.18 2,164 4,934 961.19 2,164 4,950 961.20 2,164 4,967 961.21 2,164 4,983 961.22 2,164 4,999 961.23 2,164 5,015 961.24 2,164 5,031 961.25 2,164 5,047 961.26 2,164 5,063 961.27 2,164 5,079 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 5P: Lot 2 Infiltration Basin (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 961.28 2,164 5,095 961.29 2,164 5,111 961.30 2,164 5,127 961.31 2,164 5,143 961.32 2,164 5,159 961.33 2,164 5,175 961.34 2,164 5,191 961.35 2,164 5,207 961.36 2,164 5,223 961.37 2,164 5,239 961.38 2,164 5,255 961.39 2,164 5,271 961.40 2,164 5,287 961.41 2,164 5,303 961.42 2,164 5,319 961.43 2,164 5,335 961.44 2,164 5,351 961.45 2,164 5,367 961.46 2,164 5,383 961.47 2,164 5,399 961.48 2,164 5,415 961.49 2,164 5,431 961.50 2,164 5,447 961.51 2,164 5,463 961.52 2,164 5,479 961.53 2,164 5,495 961.54 2,164 5,512 961.55 2,164 5,528 961.56 2,164 5,544 961.57 2,164 5,560 961.58 2,164 5,576 961.59 2,164 5,592 961.60 2,164 5,608 961.61 2,164 5,624 961.62 2,164 5,640 961.63 2,164 5,656 961.64 2,164 5,672 961.65 2,164 5,688 961.66 2,164 5,704 961.67 2,164 5,720 961.68 2,164 5,736 961.69 2,164 5,752 961.70 2,164 5,768 961.71 2,164 5,784 961.72 2,164 5,800 961.73 2,164 5,816 961.74 2,164 5,832 961.75 2,164 5,848 961.76 2,164 5,864 961.77 2,164 5,880 961.78 2,164 5,896 961.79 2,164 5,912 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 961.80 2,164 5,928 961.81 2,164 5,944 961.82 2,164 5,960 961.83 2,164 5,976 961.84 2,164 5,992 961.85 2,164 6,008 961.86 2,164 6,024 961.87 2,164 6,041 961.88 2,164 6,057 961.89 2,164 6,073 961.90 2,164 6,089 961.91 2,164 6,105 961.92 2,164 6,121 961.93 2,164 6,137 961.94 2,164 6,153 961.95 2,164 6,169 961.96 2,164 6,185 961.97 2,164 6,201 961.98 2,164 6,217 961.99 2,164 6,233 962.00 2,164 6,249 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 8P: Lot 1 Block 1 Infiltration Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 908.00 533 0 908.01 533 2 908.02 533 4 908.03 533 6 908.04 533 9 908.05 533 11 908.06 533 13 908.07 533 15 908.08 533 17 908.09 533 19 908.10 533 21 908.11 533 23 908.12 533 26 908.13 533 28 908.14 533 30 908.15 533 32 908.16 533 34 908.17 533 36 908.18 533 38 908.19 533 41 908.20 533 43 908.21 533 45 908.22 533 47 908.23 533 49 908.24 533 51 908.25 533 53 908.26 533 55 908.27 533 58 908.28 533 60 908.29 533 62 908.30 533 64 908.31 533 66 908.32 533 68 908.33 533 70 908.34 533 72 908.35 533 75 908.36 533 77 908.37 533 79 908.38 533 81 908.39 533 83 908.40 533 85 908.41 533 87 908.42 533 90 908.43 533 92 908.44 533 94 908.45 533 96 908.46 533 98 908.47 533 100 908.48 533 102 908.49 533 104 908.50 533 107 908.51 533 109 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 908.52 533 111 908.53 533 113 908.54 533 116 908.55 533 119 908.56 533 121 908.57 533 124 908.58 533 127 908.59 533 129 908.60 533 132 908.61 533 135 908.62 533 138 908.63 533 141 908.64 533 143 908.65 533 146 908.66 533 149 908.67 533 152 908.68 533 155 908.69 533 158 908.70 533 161 908.71 533 164 908.72 533 167 908.73 533 170 908.74 533 173 908.75 533 177 908.76 533 180 908.77 533 183 908.78 533 186 908.79 533 189 908.80 533 192 908.81 533 196 908.82 533 199 908.83 533 202 908.84 533 205 908.85 533 209 908.86 533 212 908.87 533 215 908.88 533 219 908.89 533 222 908.90 533 225 908.91 533 229 908.92 533 232 908.93 533 235 908.94 533 239 908.95 533 242 908.96 533 246 908.97 533 249 908.98 533 253 908.99 533 256 909.00 533 260 909.01 533 263 909.02 533 267 909.03 533 270 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 8P: Lot 1 Block 1 Infiltration (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 909.04 533 274 909.05 533 277 909.06 533 281 909.07 533 284 909.08 533 288 909.09 533 291 909.10 533 295 909.11 533 299 909.12 533 302 909.13 533 306 909.14 533 310 909.15 533 313 909.16 533 317 909.17 533 320 909.18 533 324 909.19 533 328 909.20 533 332 909.21 533 335 909.22 533 339 909.23 533 343 909.24 533 346 909.25 533 350 909.26 533 354 909.27 533 358 909.28 533 361 909.29 533 365 909.30 533 369 909.31 533 373 909.32 533 377 909.33 533 380 909.34 533 384 909.35 533 388 909.36 533 392 909.37 533 396 909.38 533 399 909.39 533 403 909.40 533 407 909.41 533 411 909.42 533 415 909.43 533 419 909.44 533 423 909.45 533 427 909.46 533 430 909.47 533 434 909.48 533 438 909.49 533 442 909.50 533 446 909.51 533 450 909.52 533 454 909.53 533 458 909.54 533 462 909.55 533 466 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 909.56 533 470 909.57 533 474 909.58 533 478 909.59 533 482 909.60 533 486 909.61 533 490 909.62 533 494 909.63 533 498 909.64 533 502 909.65 533 506 909.66 533 510 909.67 533 514 909.68 533 518 909.69 533 522 909.70 533 526 909.71 533 530 909.72 533 534 909.73 533 538 909.74 533 542 909.75 533 546 909.76 533 550 909.77 533 554 909.78 533 558 909.79 533 562 909.80 533 567 909.81 533 571 909.82 533 575 909.83 533 579 909.84 533 583 909.85 533 587 909.86 533 591 909.87 533 595 909.88 533 599 909.89 533 604 909.90 533 608 909.91 533 612 909.92 533 616 909.93 533 620 909.94 533 624 909.95 533 628 909.96 533 633 909.97 533 637 909.98 533 641 909.99 533 645 910.00 533 649 910.01 533 653 910.02 533 657 910.03 533 662 910.04 533 666 910.05 533 670 910.06 533 674 910.07 533 678 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 8P: Lot 1 Block 1 Infiltration (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 910.08 533 683 910.09 533 687 910.10 533 691 910.11 533 695 910.12 533 699 910.13 533 704 910.14 533 708 910.15 533 712 910.16 533 716 910.17 533 720 910.18 533 725 910.19 533 729 910.20 533 733 910.21 533 737 910.22 533 742 910.23 533 746 910.24 533 750 910.25 533 754 910.26 533 759 910.27 533 763 910.28 533 767 910.29 533 771 910.30 533 776 910.31 533 780 910.32 533 784 910.33 533 788 910.34 533 793 910.35 533 797 910.36 533 801 910.37 533 805 910.38 533 810 910.39 533 814 910.40 533 818 910.41 533 822 910.42 533 827 910.43 533 831 910.44 533 835 910.45 533 839 910.46 533 844 910.47 533 848 910.48 533 852 910.49 533 857 910.50 533 861 910.51 533 865 910.52 533 869 910.53 533 874 910.54 533 878 910.55 533 882 910.56 533 887 910.57 533 891 910.58 533 895 910.59 533 899 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 910.60 533 904 910.61 533 908 910.62 533 912 910.63 533 917 910.64 533 921 910.65 533 925 910.66 533 929 910.67 533 934 910.68 533 938 910.69 533 942 910.70 533 947 910.71 533 951 910.72 533 955 910.73 533 959 910.74 533 964 910.75 533 968 910.76 533 972 910.77 533 977 910.78 533 981 910.79 533 985 910.80 533 989 910.81 533 994 910.82 533 998 910.83 533 1,002 910.84 533 1,007 910.85 533 1,011 910.86 533 1,015 910.87 533 1,019 910.88 533 1,024 910.89 533 1,028 910.90 533 1,032 910.91 533 1,037 910.92 533 1,041 910.93 533 1,045 910.94 533 1,050 910.95 533 1,054 910.96 533 1,058 910.97 533 1,062 910.98 533 1,067 910.99 533 1,071 911.00 533 1,075 911.01 533 1,079 911.02 533 1,084 911.03 533 1,088 911.04 533 1,092 911.05 533 1,097 911.06 533 1,101 911.07 533 1,105 911.08 533 1,109 911.09 533 1,114 911.10 533 1,118 911.11 533 1,122 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 8P: Lot 1 Block 1 Infiltration (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 911.12 533 1,126 911.13 533 1,131 911.14 533 1,135 911.15 533 1,139 911.16 533 1,143 911.17 533 1,148 911.18 533 1,152 911.19 533 1,156 911.20 533 1,160 911.21 533 1,165 911.22 533 1,169 911.23 533 1,173 911.24 533 1,177 911.25 533 1,182 911.26 533 1,186 911.27 533 1,190 911.28 533 1,194 911.29 533 1,199 911.30 533 1,203 911.31 533 1,207 911.32 533 1,211 911.33 533 1,216 911.34 533 1,220 911.35 533 1,224 911.36 533 1,228 911.37 533 1,232 911.38 533 1,237 911.39 533 1,241 911.40 533 1,245 911.41 533 1,249 911.42 533 1,253 911.43 533 1,258 911.44 533 1,262 911.45 533 1,266 911.46 533 1,270 911.47 533 1,274 911.48 533 1,279 911.49 533 1,283 911.50 533 1,287 911.51 533 1,291 911.52 533 1,295 911.53 533 1,299 911.54 533 1,303 911.55 533 1,308 911.56 533 1,312 911.57 533 1,316 911.58 533 1,320 911.59 533 1,324 911.60 533 1,328 911.61 533 1,332 911.62 533 1,337 911.63 533 1,341 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 911.64 533 1,345 911.65 533 1,349 911.66 533 1,353 911.67 533 1,357 911.68 533 1,361 911.69 533 1,365 911.70 533 1,369 911.71 533 1,374 911.72 533 1,378 911.73 533 1,382 911.74 533 1,386 911.75 533 1,390 911.76 533 1,394 911.77 533 1,398 911.78 533 1,402 911.79 533 1,406 911.80 533 1,410 911.81 533 1,414 911.82 533 1,418 911.83 533 1,422 911.84 533 1,426 911.85 533 1,430 911.86 533 1,434 911.87 533 1,438 911.88 533 1,442 911.89 533 1,446 911.90 533 1,450 911.91 533 1,454 911.92 533 1,458 911.93 533 1,462 911.94 533 1,466 911.95 533 1,470 911.96 533 1,474 911.97 533 1,478 911.98 533 1,482 911.99 533 1,486 912.00 533 1,490 912.01 533 1,494 912.02 533 1,498 912.03 533 1,502 912.04 533 1,506 912.05 533 1,509 912.06 533 1,513 912.07 533 1,517 912.08 533 1,521 912.09 533 1,525 912.10 533 1,529 912.11 533 1,533 912.12 533 1,537 912.13 533 1,540 912.14 533 1,544 912.15 533 1,548 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 8P: Lot 1 Block 1 Infiltration (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 912.16 533 1,552 912.17 533 1,556 912.18 533 1,559 912.19 533 1,563 912.20 533 1,567 912.21 533 1,571 912.22 533 1,575 912.23 533 1,578 912.24 533 1,582 912.25 533 1,586 912.26 533 1,590 912.27 533 1,593 912.28 533 1,597 912.29 533 1,601 912.30 533 1,604 912.31 533 1,608 912.32 533 1,612 912.33 533 1,616 912.34 533 1,619 912.35 533 1,623 912.36 533 1,626 912.37 533 1,630 912.38 533 1,634 912.39 533 1,637 912.40 533 1,641 912.41 533 1,645 912.42 533 1,648 912.43 533 1,652 912.44 533 1,655 912.45 533 1,659 912.46 533 1,662 912.47 533 1,666 912.48 533 1,669 912.49 533 1,673 912.50 533 1,676 912.51 533 1,680 912.52 533 1,683 912.53 533 1,687 912.54 533 1,690 912.55 533 1,694 912.56 533 1,697 912.57 533 1,701 912.58 533 1,704 912.59 533 1,707 912.60 533 1,711 912.61 533 1,714 912.62 533 1,717 912.63 533 1,721 912.64 533 1,724 912.65 533 1,727 912.66 533 1,731 912.67 533 1,734 Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 912.68 533 1,737 912.69 533 1,740 912.70 533 1,744 912.71 533 1,747 912.72 533 1,750 912.73 533 1,753 912.74 533 1,756 912.75 533 1,759 912.76 533 1,763 912.77 533 1,766 912.78 533 1,769 912.79 533 1,772 912.80 533 1,775 912.81 533 1,778 912.82 533 1,781 912.83 533 1,784 912.84 533 1,787 912.85 533 1,790 912.86 533 1,793 912.87 533 1,795 912.88 533 1,798 912.89 533 1,801 912.90 533 1,804 912.91 533 1,807 912.92 533 1,809 912.93 533 1,812 912.94 533 1,815 912.95 533 1,817 912.96 533 1,820 912.97 533 1,822 912.98 533 1,825 912.99 533 1,827 913.00 533 1,829 913.01 533 1,832 913.02 533 1,834 913.03 533 1,836 913.04 533 1,838 913.05 533 1,840 913.06 533 1,842 913.07 533 1,844 913.08 533 1,846 913.09 533 1,849 913.10 533 1,851 913.11 533 1,853 913.12 533 1,855 913.13 533 1,857 913.14 533 1,859 913.15 533 1,861 913.16 533 1,864 913.17 533 1,866 913.18 533 1,868 913.19 533 1,870 MSE 24-hr 3 100-Year Rainfall=7.38"pdrn Printed 8/8/2022Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 8P: Lot 1 Block 1 Infiltration (continued) Elevation (feet) Surface (sq-ft) Storage (cubic-feet) 913.20 533 1,872 913.21 533 1,874 913.22 533 1,876 913.23 533 1,878 913.24 533 1,881 913.25 533 1,883 913.26 533 1,885 913.27 533 1,887 913.28 533 1,889 913.29 533 1,891 913.30 533 1,893 913.31 533 1,895 913.32 533 1,898 913.33 533 1,900 913.34 533 1,902 913.35 533 1,904 913.36 533 1,906 913.37 533 1,908 913.38 533 1,910 913.39 533 1,913 913.40 533 1,915 913.41 533 1,917 913.42 533 1,919 913.43 533 1,921 913.44 533 1,923 913.45 533 1,925 913.46 533 1,927 913.47 533 1,930 913.48 533 1,932 913.49 533 1,934 913.50 533 1,936 Table of Contentspdrn Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram Current Event 2 Pond 1P: Underground 7 Pond 4P: Infiltration Road A 13 Pond 5P: Lot 2 Infiltration Basin 21 Pond 8P: Lot 1 Block 1 Infiltration E-2 Discharge to Wetland OFF-1 Offsite Discharge to Wetland S-1 Lot 3 West S-2 Lot 3 East S-3 Lot 2 S-4 (new Subcat) S-5 (new Subcat) S-6 (new Subcat) 1P Underground 2P Wetland 1 4P Infiltration Road A 5P Lot 2 Infiltration Basin 6PCB MH 501 8P Lot 1 Block 1 Infiltration 1L Lotus Lake 3L NorthWest Discharge Routing Diagram for pdrn - snow Prepared by {enter your company name here}, Printed 8/8/2022 HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Subcat Reach Pond Link pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 2HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Rainfall Events Listing (selected events) Event# Event Name Storm Type Curve Mode Duration (hours) B/B Depth (inches) AMC 1 10 day-100 Yr Snow Snowmelt_10d_100yr Default 240.00 1 7.20 4 pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 3HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 1.224 80 >75% Grass cover, Good, HSG D (S-1, S-2, S-3, S-4, S-5) 0.514 98 Roofs, HSG D (S-1, S-2, S-3, S-4, S-5) 0.124 98 Water Surface, 0% imp, HSG D (E-2) 1.038 77 Woods, Good, HSG D (E-2, OFF-1, S-1, S-6) 2.900 83 TOTAL AREA pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 4HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Soil Listing (selected nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 2.900 HSG D E-2, OFF-1, S-1, S-2, S-3, S-4, S-5, S-6 0.000 Other 2.900 TOTAL AREA Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 5HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Time span=0.00-400.00 hrs, dt=0.01 hrs, 40001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=0.473 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment E-2: Discharge to Wetland Flow Length=125' Slope=0.1606 '/' Tc=1.4 min AMC Adjusted CN=WQ Runoff=0.09 cfs 0.274 af Runoff Area=0.597 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment OFF-1: Offsite Discharge to Flow Length=104' Slope=0.0481 '/' Tc=2.6 min AMC Adjusted CN=98 Runoff=0.11 cfs 0.346 af Runoff Area=0.185 ac 26.49% Impervious Runoff Depth=6.96"Subcatchment S-1: Lot 3 West Flow Length=162' Slope=0.1000 '/' Tc=5.6 min AMC Adjusted CN=WQ Runoff=0.04 cfs 0.107 af Runoff Area=0.178 ac 32.02% Impervious Runoff Depth=6.96"Subcatchment S-2: Lot 3 East Flow Length=107' Slope=0.0490 '/' Tc=7.6 min AMC Adjusted CN=WQ Runoff=0.03 cfs 0.103 af Runoff Area=0.291 ac 28.52% Impervious Runoff Depth=6.96"Subcatchment S-3: Lot 2 Tc=10.0 min AMC Adjusted CN=WQ Runoff=0.06 cfs 0.169 af Runoff Area=0.584 ac 33.05% Impervious Runoff Depth=6.96"Subcatchment S-4: (new Subcat) Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.11 cfs 0.339 af Runoff Area=0.531 ac 24.86% Impervious Runoff Depth=6.96"Subcatchment S-5: (new Subcat) Tc=5.0 min AMC Adjusted CN=WQ Runoff=0.10 cfs 0.308 af Runoff Area=0.061 ac 0.00% Impervious Runoff Depth=6.96"Subcatchment S-6: (new Subcat) Tc=3.0 min AMC Adjusted CN=98 Runoff=0.01 cfs 0.035 af Peak Elev=940.77' Storage=677 cf Inflow=0.33 cfs 0.972 afPond 1P: Underground 15.0" Round Culvert n=0.012 L=37.5' S=0.0067 '/' Outflow=0.33 cfs 0.960 af Peak Elev=948.04' Storage=8 cf Inflow=0.29 cfs 0.865 afPond 2P: Wetland 1 Primary=0.29 cfs 0.865 af Secondary=0.00 cfs 0.000 af Outflow=0.29 cfs 0.865 af Peak Elev=943.75' Storage=1,008 cf Inflow=0.11 cfs 0.339 afPond 4P: Infiltration Road A Outflow=0.11 cfs 0.320 af Peak Elev=958.66' Storage=1,360 cf Inflow=0.06 cfs 0.169 afPond 5P: Lot 2 Infiltration Basin Primary=0.05 cfs 0.141 af Secondary=0.00 cfs 0.000 af Outflow=0.05 cfs 0.141 af Peak Elev=903.44' Inflow=0.21 cfs 0.616 afPond 6P: MH 501 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' Outflow=0.21 cfs 0.616 af Peak Elev=909.85' Storage=589 cf Inflow=0.10 cfs 0.308 afPond 8P: Lot 1 Block 1 Infiltration Primary=0.10 cfs 0.297 af Secondary=0.00 cfs 0.000 af Tertiary=0.00 cfs 0.000 af Outflow=0.10 cfs 0.297 af Inflow=0.22 cfs 0.651 afLink 1L: Lotus Lake Primary=0.22 cfs 0.651 af Inflow=0.33 cfs 0.960 afLink 3L: NorthWest Discharge Primary=0.33 cfs 0.960 af Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 6HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Total Runoff Area = 2.900 ac Runoff Volume = 1.682 af Average Runoff Depth = 6.96" 82.28% Pervious = 2.386 ac 17.72% Impervious = 0.514 ac Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 7HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment E-2: Discharge to Wetland Runoff = 0.09 cfs @ 121.20 hrs, Volume= 0.274 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.349 77 98 Woods, Good, HSG D 0.124 98 98 Water Surface, 0% imp, HSG D 0.473 Weighted Average 0.473 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.4 125 0.1606 1.53 Lag/CN Method, Subcatchment E-2: Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.473 ac Runoff Volume=0.274 af Runoff Depth=6.96" Flow Length=125' Slope=0.1606 '/' Tc=1.4 min AMC Adjusted CN=WQ 0.09 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 8HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment OFF-1: Offsite Discharge to Wetland Runoff = 0.11 cfs @ 121.22 hrs, Volume= 0.346 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.597 77 98 Woods, Good, HSG D 0.597 Weighted Average 0.597 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.6 104 0.0481 0.67 Lag/CN Method, Subcatchment OFF-1: Offsite Discharge to Wetland Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.125 0.12 0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.597 ac Runoff Volume=0.346 af Runoff Depth=6.96" Flow Length=104' Slope=0.0481 '/' Tc=2.6 min AMC Adjusted CN=98 0.11 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 9HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-1: Lot 3 West Runoff = 0.04 cfs @ 121.24 hrs, Volume= 0.107 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.031 77 98 Woods, Good, HSG D 0.049 98 98 Roofs, HSG D 0.105 80 98 >75% Grass cover, Good, HSG D 0.185 Weighted Average 0.136 73.51% Pervious Area 0.049 26.49% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.4 100 0.1000 0.31 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" 0.2 62 0.1000 4.74 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 5.6 162 Total Subcatchment S-1: Lot 3 West Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.038 0.036 0.034 0.032 0.03 0.028 0.026 0.024 0.022 0.02 0.018 0.016 0.014 0.012 0.01 0.008 0.006 0.004 0.002 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.185 ac Runoff Volume=0.107 af Runoff Depth=6.96" Flow Length=162' Slope=0.1000 '/' Tc=5.6 min AMC Adjusted CN=WQ 0.04 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 10HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-2: Lot 3 East Runoff = 0.03 cfs @ 121.27 hrs, Volume= 0.103 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.057 98 98 Roofs, HSG D 0.121 80 98 >75% Grass cover, Good, HSG D 0.178 Weighted Average 0.121 67.98% Pervious Area 0.057 32.02% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.6 107 0.0490 0.23 Sheet Flow, Grass: Short n= 0.150 P2= 2.87" Subcatchment S-2: Lot 3 East Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.038 0.036 0.034 0.032 0.03 0.028 0.026 0.024 0.022 0.02 0.018 0.016 0.014 0.012 0.01 0.008 0.006 0.004 0.002 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.178 ac Runoff Volume=0.103 af Runoff Depth=6.96" Flow Length=107' Slope=0.0490 '/' Tc=7.6 min AMC Adjusted CN=WQ 0.03 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 11HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-3: Lot 2 Runoff = 0.06 cfs @ 121.30 hrs, Volume= 0.169 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.083 98 98 Roofs, HSG D 0.208 80 98 >75% Grass cover, Good, HSG D 0.291 Weighted Average 0.208 71.48% Pervious Area 0.083 28.52% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Subcatchment S-3: Lot 2 Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.291 ac Runoff Volume=0.169 af Runoff Depth=6.96" Tc=10.0 min AMC Adjusted CN=WQ 0.06 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 12HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-4: (new Subcat) Runoff = 0.11 cfs @ 121.24 hrs, Volume= 0.339 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.193 98 98 Roofs, HSG D 0.391 80 98 >75% Grass cover, Good, HSG D 0.584 Weighted Average 0.391 66.95% Pervious Area 0.193 33.05% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment S-4: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.125 0.12 0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.584 ac Runoff Volume=0.339 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.11 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 13HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-5: (new Subcat) Runoff = 0.10 cfs @ 121.24 hrs, Volume= 0.308 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.132 98 98 Roofs, HSG D 0.399 80 98 >75% Grass cover, Good, HSG D 0.531 Weighted Average 0.399 75.14% Pervious Area 0.132 24.86% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment S-5: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.531 ac Runoff Volume=0.308 af Runoff Depth=6.96" Tc=5.0 min AMC Adjusted CN=WQ 0.10 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 14HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment S-6: (new Subcat) Runoff = 0.01 cfs @ 121.22 hrs, Volume= 0.035 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.061 77 98 Woods, Good, HSG D 0.061 Weighted Average 0.061 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.0 Direct Entry, Subcatchment S-6: (new Subcat) Runoff Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.013 0.013 0.012 0.011 0.011 0.01 0.01 0.009 0.009 0.008 0.008 0.007 0.007 0.006 0.006 0.005 0.005 0.004 0.004 0.003 0.003 0.002 0.002 0.001 0.001 0.000 0 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20" AMC=4 Runoff Area=0.061 ac Runoff Volume=0.035 af Runoff Depth=6.96" Tc=3.0 min AMC Adjusted CN=98 0.01 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 15HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 1P: Underground Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 6.77" for 10 day-100 Yr Snow event Inflow = 0.33 cfs @ 121.22 hrs, Volume= 0.972 af Outflow = 0.33 cfs @ 121.28 hrs, Volume= 0.960 af, Atten= 0%, Lag= 3.0 min Primary = 0.33 cfs @ 121.28 hrs, Volume= 0.960 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 940.77' @ 121.28 hrs Surf.Area= 763 sf Storage= 677 cf Plug-Flow detention time= 184.0 min calculated for 0.960 af (99% of inflow) Center-of-Mass det. time= 102.5 min ( 7,631.5 - 7,529.0 ) Volume Invert Avail.Storage Storage Description #1A 939.30' 769 cf 12.31'W x 62.00'L x 4.42'H Field A 3,370 cf Overall - 1,447 cf Embedded = 1,923 cf x 40.0% Voids #2A 939.80' 1,447 cf CMP Arch 53x41 x 6 Inside #1 Effective Size= 53.0"W x 41.0"H => 12.06 sf x 20.00'L = 241.1 cf Overall Size= 53.0"W x 41.0"H x 20.00'L 6 Chambers in 2 Rows 2,216 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Primary 940.48'15.0" Round Culvert L= 37.5' CPP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 940.48' / 940.23' S= 0.0067 '/' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 1.23 sf Primary OutFlow Max=0.33 cfs @ 121.28 hrs HW=940.77' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 0.33 cfs @ 2.32 fps) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 16HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 1P: Underground Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=1.724 ac Peak Elev=940.77' Storage=677 cf 15.0" Round Culvert n=0.012 L=37.5' S=0.0067 '/' 0.33 cfs0.33 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 17HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 2P: Wetland 1 Inflow Area = 1.539 ac, 9.10% Impervious, Inflow Depth = 6.74" for 10 day-100 Yr Snow event Inflow = 0.29 cfs @ 121.21 hrs, Volume= 0.865 af Outflow = 0.29 cfs @ 121.22 hrs, Volume= 0.865 af, Atten= 0%, Lag= 0.5 min Primary = 0.29 cfs @ 121.22 hrs, Volume= 0.865 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 948.04' @ 121.22 hrs Surf.Area= 81 sf Storage= 8 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 0.4 min ( 7,547.3 - 7,546.9 ) Volume Invert Avail.Storage Storage Description #1 948.40' 8,036 cf Wetland (Prismatic) Listed below (Recalc) #2 947.82' 5,697 cf Low Point L3 (Prismatic) Listed below (Recalc) 13,733 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 948.40 19 0 0 948.60 254 27 27 948.80 1,316 157 184 949.00 3,352 467 651 949.40 7,681 2,207 2,858 949.60 8,387 1,607 4,465 949.80 8,933 1,732 6,196 950.00 9,460 1,839 8,036 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 947.82 0 0 0 948.00 61 5 5 949.05 629 362 368 949.45 979 322 689 950.00 2,083 842 1,531 952.00 2,083 4,166 5,697 Device Routing Invert Outlet Devices #1 Primary 947.82'17.0" W x 13.0" H, R=9.0"/25.6" Pipe Arch CMP_Arch_1/2 17x13 L= 69.4' CMP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 947.82' / 939.30' S= 0.1228 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 1.23 sf #2 Secondary 949.45'4.5' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=0.29 cfs @ 121.22 hrs HW=948.04' TW=940.77' (Dynamic Tailwater) 1=CMP_Arch_1/2 17x13 (Inlet Controls 0.29 cfs @ 1.38 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=947.82' TW=0.00' (Dynamic Tailwater) 2=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 18HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 2P: Wetland 1 Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=1.539 ac Peak Elev=948.04' Storage=8 cf 0.29 cfs0.29 cfs0.29 cfs 0.00 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 19HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 4P: Infiltration Road A Inflow Area = 0.584 ac, 33.05% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.11 cfs @ 121.24 hrs, Volume= 0.339 af Outflow = 0.11 cfs @ 121.36 hrs, Volume= 0.320 af, Atten= 1%, Lag= 7.1 min Primary = 0.11 cfs @ 121.36 hrs, Volume= 0.320 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 943.75' @ 121.36 hrs Surf.Area= 941 sf Storage= 1,008 cf Plug-Flow detention time= 785.8 min calculated for 0.319 af (94% of inflow) Center-of-Mass det. time= 411.9 min ( 7,792.9 - 7,381.0 ) Volume Invert Avail.Storage Storage Description #1A 941.94' 1,163 cf 13.25'W x 71.00'L x 5.50'H Field A 5,174 cf Overall - 2,266 cf Embedded = 2,908 cf x 40.0% Voids #2A 942.44' 2,266 cf CMP Round 54 x 6 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 6 Chambers in 2 Rows 11.25' Header x 15.90 sf x 2 = 357.8 cf Inside 3,429 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Primary 938.59'12.0" Round Culvert L= 205.5' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 938.59' / 913.94' S= 0.1200 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #2 Device 1 941.69'12.0" Round Culvert L= 54.7' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 941.69' / 941.42' S= 0.0049 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf #3 Device 2 941.94'12.0" Round Culvert L= 30.9' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 941.94' / 941.71' S= 0.0074 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 0.79 sf #4 Device 3 943.51'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #5 Device 3 944.97'12.0" W x 5.1" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #6 Device 3 947.00'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 20HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Primary OutFlow Max=0.11 cfs @ 121.36 hrs HW=943.75' TW=903.44' (Dynamic Tailwater) 1=Culvert (Passes 0.11 cfs of 10.20 cfs potential flow) 2=Culvert (Passes 0.11 cfs of 4.25 cfs potential flow) 3=Culvert (Passes 0.11 cfs of 3.41 cfs potential flow) 4=Orifice/Grate (Orifice Controls 0.11 cfs @ 1.66 fps) 5=Orifice/Grate ( Controls 0.00 cfs) 6=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Pond 4P: Infiltration Road A Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.125 0.12 0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.584 ac Peak Elev=943.75' Storage=1,008 cf 0.11 cfs0.11 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 21HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 5P: Lot 2 Infiltration Basin Inflow Area = 0.291 ac, 28.52% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.06 cfs @ 121.30 hrs, Volume= 0.169 af Outflow = 0.05 cfs @ 121.48 hrs, Volume= 0.141 af, Atten= 2%, Lag= 11.1 min Primary = 0.05 cfs @ 121.48 hrs, Volume= 0.141 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 958.66' @ 121.48 hrs Surf.Area= 1,464 sf Storage= 1,360 cf Plug-Flow detention time= 2,007.4 min calculated for 0.141 af (83% of inflow) Center-of-Mass det. time= 1,025.4 min ( 8,411.0 - 7,385.6 ) Volume Invert Avail.Storage Storage Description #1 954.00' 505 cf Sand Storage (Prismatic) Listed below (Recalc) 1,683 cf Overall x 30.0% Voids #2 957.00' 5,744 cf Custom Stage Data (Prismatic) Listed below (Recalc) 6,249 cf Total Available Storage Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 954.00 561 0 0 957.00 561 1,683 1,683 Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 957.00 187 0 0 958.00 561 374 374 960.00 1,603 2,164 2,538 962.00 1,603 3,206 5,744 Device Routing Invert Outlet Devices #1 Primary 956.85'12.0" Round Culvert L= 15.2' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 956.85' / 956.78' S= 0.0046 '/' Cc= 0.900 n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf #2 Device 1 958.50'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 960.50'5.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Primary OutFlow Max=0.05 cfs @ 121.48 hrs HW=958.66' TW=948.03' (Dynamic Tailwater) 1=Culvert (Passes 0.05 cfs of 3.41 cfs potential flow) 2=Orifice/Grate (Orifice Controls 0.05 cfs @ 1.35 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=954.00' TW=947.82' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 22HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 5P: Lot 2 Infiltration Basin Inflow Outflow Primary Secondary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.291 ac Peak Elev=958.66' Storage=1,360 cf 0.06 cfs0.05 cfs0.05 cfs 0.00 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 23HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 6P: MH 501 Inflow Area = 1.115 ac, 29.15% Impervious, Inflow Depth = 6.63" for 10 day-100 Yr Snow event Inflow = 0.21 cfs @ 121.34 hrs, Volume= 0.616 af Outflow = 0.21 cfs @ 121.34 hrs, Volume= 0.616 af, Atten= 0%, Lag= 0.0 min Primary = 0.21 cfs @ 121.34 hrs, Volume= 0.616 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 903.44' @ 121.34 hrs Flood Elev= 916.00' Device Routing Invert Outlet Devices #1 Primary 903.19'15.0" Round Culvert L= 45.3' RCP, end-section conforming to fill, Ke= 0.500 Inlet / Outlet Invert= 903.19' / 902.96' S= 0.0051 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections, Flow Area= 1.23 sf Primary OutFlow Max=0.21 cfs @ 121.34 hrs HW=903.44' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 0.21 cfs @ 1.85 fps) Pond 6P: MH 501 Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=1.115 ac Peak Elev=903.44' 15.0" Round Culvert n=0.013 L=45.3' S=0.0051 '/' 0.21 cfs0.21 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 24HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Pond 8P: Lot 1 Block 1 Infiltration Inflow Area = 0.531 ac, 24.86% Impervious, Inflow Depth = 6.96" for 10 day-100 Yr Snow event Inflow = 0.10 cfs @ 121.24 hrs, Volume= 0.308 af Outflow = 0.10 cfs @ 121.32 hrs, Volume= 0.297 af, Atten= 1%, Lag= 4.5 min Primary = 0.10 cfs @ 121.32 hrs, Volume= 0.297 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Tertiary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Peak Elev= 909.85' @ 121.32 hrs Surf.Area= 533 sf Storage= 589 cf Plug-Flow detention time= 521.0 min calculated for 0.297 af (96% of inflow) Center-of-Mass det. time= 271.7 min ( 7,652.7 - 7,381.0 ) Volume Invert Avail.Storage Storage Description #1A 908.00' 664 cf 6.50'W x 82.00'L x 5.50'H Field A 2,932 cf Overall - 1,272 cf Embedded = 1,659 cf x 40.0% Voids #2A 908.50' 1,272 cf CMP Round 54 x 4 Inside #1 Effective Size= 54.0"W x 54.0"H => 15.90 sf x 20.00'L = 318.1 cf Overall Size= 54.0"W x 54.0"H x 20.00'L 1,936 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Primary 909.63'4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #2 Secondary 910.70'12.0" W x 6.0" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Tertiary 913.02'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 Primary OutFlow Max=0.10 cfs @ 121.32 hrs HW=909.85' TW=903.44' (Dynamic Tailwater) 1=Orifice/Grate (Orifice Controls 0.10 cfs @ 1.61 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=908.00' TW=903.19' (Dynamic Tailwater) 2=Orifice/Grate ( Controls 0.00 cfs) Tertiary OutFlow Max=0.00 cfs @ 0.00 hrs HW=908.00' TW=903.19' (Dynamic Tailwater) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 25HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Pond 8P: Lot 1 Block 1 Infiltration Inflow Outflow Primary Secondary Tertiary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.531 ac Peak Elev=909.85' Storage=589 cf 0.10 cfs0.10 cfs0.10 cfs 0.00 cfs0.00 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 26HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Link 1L: Lotus Lake Inflow Area = 1.176 ac, 27.64% Impervious, Inflow Depth = 6.65" for 10 day-100 Yr Snow event Inflow = 0.22 cfs @ 121.32 hrs, Volume= 0.651 af Primary = 0.22 cfs @ 121.32 hrs, Volume= 0.651 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Link 1L: Lotus Lake Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.24 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=1.176 ac 0.22 cfs0.22 cfs Snowmelt_10d_100yr 10 day-100 Yr Snow Rainfall=7.20", AMC=4pdrn - snow Printed 8/8/2022Prepared by {enter your company name here} Page 27HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC Summary for Link 3L: NorthWest Discharge Inflow Area = 1.724 ac, 10.96% Impervious, Inflow Depth = 6.68" for 10 day-100 Yr Snow event Inflow = 0.33 cfs @ 121.28 hrs, Volume= 0.960 af Primary = 0.33 cfs @ 121.28 hrs, Volume= 0.960 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-400.00 hrs, dt= 0.01 hrs Link 3L: NorthWest Discharge Inflow Primary Hydrograph Time (hours) 400380360340320300280260240220200180160140120100806040200Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=1.724 ac 0.33 cfs0.33 cfs Table of Contentspdrn - snow Printed 8/8/2022Prepared by {enter your company name here} HydroCAD® 10.10-5a s/n 01427 © 2020 HydroCAD Software Solutions LLC TABLE OF CONTENTS Project Reports 1 Routing Diagram 2 Rainfall Events Listing (selected events) 3 Area Listing (selected nodes) 4 Soil Listing (selected nodes) 10 day-100 Yr Snow Event 5 Node Listing 7 Subcat E-2: Discharge to Wetland 8 Subcat OFF-1: Offsite Discharge to Wetland 9 Subcat S-1: Lot 3 West 10 Subcat S-2: Lot 3 East 11 Subcat S-3: Lot 2 12 Subcat S-4: (new Subcat) 13 Subcat S-5: (new Subcat) 14 Subcat S-6: (new Subcat) 15 Pond 1P: Underground 17 Pond 2P: Wetland 1 19 Pond 4P: Infiltration Road A 21 Pond 5P: Lot 2 Infiltration Basin 23 Pond 6P: MH 501 24 Pond 8P: Lot 1 Block 1 Infiltration 26 Link 1L: Lotus Lake 27 Link 3L: NorthWest Discharge Project Information Calculator Version:Version 3: January 2017 Project Name:Fox Hill Drive Existing User Name / Company Name:Alliant Engineering Date: Project Description:4 home subdivision in Chanhassen, MN Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 2.101 2.101 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0 Impervious Area (acres)0.076 Total Area (acres)2.177 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 0 Impervious Area (acres) Total Area (acres)0 Summary Information Performance Goal Requirement Performance goal volume retention requirement:303 ft3 Volume removed by BMPs towards performance goal:ft3 Percent volume removed towards performance goal % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 0.3975 acre-ft Annual runoff volume removed by BMPs:acre-ft Percent annual runoff volume removed:% Post development annual particulate P load:0.178 lbs Annual particulate P removed by BMPs:lbs Post development annual dissolved P load:0.146 lbs Annual dissolved P removed by BMPs:lbs Percent annual total phosphorus removed:% Post development annual TSS load:58.9 lbs Annual TSS removed by BMPs:lbs Percent annual TSS removed:% BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) BMP Schematic Project Information Calculator Version:Version 3: January 2017 Project Name:Fox Hill Drive Proposed User Name / Company Name:Alliant Engineering Date: Project Description: Construction Permit?:No Site Information Retention Requirement (inches):1.1 Site's Zip Code:55317 Annual Rainfall (inches):29.9 Phosphorus EMC (mg/l):0.3 TSS EMC (mg/l):54.5 Total Site Area Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0.542 0.542 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 1.315 1.315 Impervious Area (acres)0.446 Total Area (acres)2.303 Site Areas Routed to BMPs Land Cover A Soils (acres) B Soils (acres) C Soils (acres) D Soils (acres) Total (acres) Forest/Open Space -Undisturbed, protected forest/open space or reforested land 0.031 0.031 Managed Turf -disturbed, graded for yards or other turf to be mowed/managed 1.315 1.315 Impervious Area (acres)0.446 Total Area (acres)1.792 Summary Information Performance Goal Requirement Performance goal volume retention requirement:1781 ft3 Volume removed by BMPs towards performance goal:1781 ft3 Percent volume removed towards performance goal 100 % Annual Volume and Pollutant Load Reductions Post development annual runoff volume 1.7481 acre-ft Annual runoff volume removed by BMPs:1.5353 acre-ft Percent annual runoff volume removed:88 % Post development annual particulate P load:0.785 lbs Annual particulate P removed by BMPs:0.689 lbs Post development annual dissolved P load:0.642 lbs Annual dissolved P removed by BMPs:0.564 lbs Percent annual total phosphorus removed:88 % Post development annual TSS load:259.1 lbs Annual TSS removed by BMPs:227.6 lbs Percent annual TSS removed:88 % BMP Summary Performance Goal Summary BMP Name BMP Volume Capacity (ft3) Volume Recieved (ft3) Volume Retained (ft3) Volume Outflow (ft3) Percent Retained (%) Lot 2 Infiltration Basin 780 224 224 0 100 Lot 1 Infiltration 626 335 335 0 100 Road A and Lot 1 Block 2 751 731 731 0 100 3 -Underground infiltration 501 491 491 0 100 Annual Volume Summary BMP Name Volume From Direct Watershed (acre-ft) Volume From Upstream BMPs (acre-ft) Volume Retained (acre-ft) Volume outflow (acre-ft) Percent Retained (%) Lot 2 Infiltration Basin 0.2897 0 0.2778 0.0119 96 Lot 1 Infiltration 0.2951 0.0119 0.2916 0.0154 95 Road A and Lot 1 Block 2 0.5911 0 0.5341 0.056999999999999990 3 -Underground infiltration 0.5149 0 0.4318 0.0831 84 Particulate Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Lot 2 Infiltration Basin 0.13 0 0.1246 0.0054 96 Lot 1 Infiltration 0.1324 0.0054 0.1309 0.0069 95 Road A and Lot 1 Block 2 0.2653 0 0.2397 0.0256 90 3 -Underground infiltration 0.2311 0 0.1938 0.0373 84 Dissolved Phosphorus Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Lot 2 Infiltration Basin 0.1064 0 0.102 0.0044 96 Lot 1 Infiltration 0.1084 0.0044 0.1071 0.0057 95 Road A and Lot 1 Block 2 0.2171 0 0.1962 0.0209 90 3 -Underground infiltration 0.1891 0 0.1586 0.0305 84 TSS Summary BMP Name Load From Direct Watershed (lbs) Load From Upstream BMPs (lbs) Load Retained (lbs) Outflow Load (lbs) Percent Retained (%) Lot 2 Infiltration Basin 42.95 0 41.18 1.77 96 Lot 1 Infiltration 43.75 1.77 43.23 2.29000000000001 95 Road A and Lot 1 Block 2 87.63 0 79.18 8.44999999999999 90 3 -Underground infiltration 76.33 0 64.01 12.32 84 BMP Schematic LOT 1LOT 1LOT 2LOT 3BLOCK 2BLOCK 1OUTLOT AS20°28'26"E 125.32N22°37'50"W 125.86N74°50'50"E 825.86N74°50'50"E 821.1032+/-41+/-FOX HILL-FOX HILL DRIVE CHANHASSEN MN 55317CHANHASSEN, MN DRAFTSubject to RevisionSandy Lean Clay with Grass and Roots, black, moist (Topsoil) (CL) Sandy Lean Clay, moist to wet, stiff, grey (Glacial Till) (SC-SM) Silty Clayey Sand, brown, moist, loose (Glacial Till) Sand Seam at about 5 feet (CL) Lean Clay to Sandy Lean Clay, trace Gravel, greyish brown, moist to wet, rather stiff to stiff (Glacial Till) Sand Seam at about 7.5 feet (CL) Sandy Lean Clay, trace Gravel, grey, moist to wet, very stiff (Glacial Till) Bottom of borehole at 21.0 feet. AU 1 SS 2 SS 3 SS 4 SS 5 SS 6 SS 7 SS 8 61 72 67 56 83 78 78 3-6-7 (13) 4-6-4 (10) 2-3-5 (8) 2-3-6 (9) 2-5-8 (13) 4-10-7 (17) 3-8-9 (17) NOTES GROUND ELEVATION LOGGED BY NC DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 45 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 8/4/22 COMPLETED 8/4/22 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 15 20 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-1 CLIENT Denali Custom Homes PROJECT NUMBER 22-0686 PROJECT NAME Fox Hill PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 8/4/22 15:36 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\2022\22-0686 FOX HILL\22-0686 BORING LOG DRAFT.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionLean Clay, trace Roots, black, moist (Topsoil) (CL) Sandy Lean Clay with Pieces of Limestone, brown, moist to wet, very stiff (Glacial Till) (SP-SM) Poorly Graded Sand with Silt, fine grained, brown, moist, medium dense (Glacial Till) (CL) Sandy Lean Clay, trace Gravel, brown, moist to wet, rather stiff to stiff (Glacial Till) (CL) Sandy Lean Clay with Pieces of Limestone, brown, moist to wet, very stiff (Glacial Till) Bottom of borehole at 21.0 feet. AU 9 SS 10 SS 11 SS 12 SS 13 SS 14 SS 15 SS 16 72 83 0 50 61 50 56 7-11-10 (21) 4-9-12 (21) 7-19-16 (35) 4-6-5 (11) 2-4-5 (9) 3-6-7 (13) 17-18-11 (29) NOTES GROUND ELEVATION LOGGED BY NC DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 45 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 8/4/22 COMPLETED 8/4/22 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 15 20 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-2 CLIENT Denali Custom Homes PROJECT NUMBER 22-0686 PROJECT NAME Fox Hill PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 8/4/22 15:36 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\2022\22-0686 FOX HILL\22-0686 BORING LOG DRAFT.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 DRAFTSubject to RevisionSilty Clayey Sand, trace Roots, black, moist (Topsoil) (SC-SM) Silty Clayey Sand with Gravel, fine to coarse grained, brown to dark brown, moist, medium dense (Glacial Till) (SM) Silty Sand, fine grained, trace Gravel, brown, moist, loose to medium dense (Glacial Till) (CL) Sandy Lean Clay, trace Gravel, brown, wet, rather stiff to stiff (Glacial Till) (SM) Silty Sand, fine grained, brown, moist, loose (Glacial Till) Bottom of borehole at 21.0 feet. AU 17 SS 18 SS 19 SS 20 SS 21 SS 22 SS 23 SS 24 0 72 67 44 83 94 83 6-9-11 (20) 2-5-7 (12) 3-5-6 (11) 3-5-5 (10) 1-4-5 (9) 3-6-7 (13) 2-3-4 (7) NOTES GROUND ELEVATION LOGGED BY NC DRILLING METHOD Hollow Stem Auger/Split Spoon DRILLING CONTRACTOR HGTS - 45 GROUND WATER LEVELS: CHECKED BY PG DATE STARTED 8/4/22 COMPLETED 8/4/22 AT TIME OF DRILLING --- Not Encountered AT END OF DRILLING --- Not Encountered AFTER DRILLING --- Not Encountered HOLE SIZE 3 1/4 inches FINES CONTENT (%) 20 40 60 80 20 40 60 80 PL LLMC DEPTH(ft)0 5 10 15 20 GRAPHICLOGMATERIAL DESCRIPTION SAMPLE TYPENUMBERRECOVERY %(RQD)BLOWCOUNTS(N VALUE) SPT N VALUE 20 40 60 80 MOISTURE CONT.(%)NOTESPAGE 1 OF 1 BORING NUMBER SB-3 CLIENT Denali Custom Homes PROJECT NUMBER 22-0686 PROJECT NAME Fox Hill PROJECT LOCATION Chanhassen, MN GEOTECH BH PLOTS - GINT STD US LAB.GDT - 8/4/22 15:36 - C:\USERS\HGTS 3\DROPBOX (HGTS)\HAUGO GEOTECHNICAL SERVICES\2022\22-0686 FOX HILL\22-0686 BORING LOG DRAFT.GPJHaugo GeoTechnical Services 2825 Cedar Ave South Minneapolis, MN 55407 Telephone: 612-729-2959 Fax: 763-445-2238 581 Fox Hill Drive Chanhassen, Carver County, Minnesota Wetland Delineation Report Prepared for Gonyea Homes & Remodeling by Kjolhaug Environmental Services Company, Inc. (KES Project No. 2020-166) November 23, 2020 581 Fox Hill Drive Chanhassen, Carver County, Minnesota Wetland Delineation Report TABLE OF CONTENTS Title Page 1. WETLAND DELINEATION SUMMARY ......................................................................... 1 2. OVERVIEW ........................................................................................................................... 2 3. METHODS ............................................................................................................................. 2 4. RESULTS ............................................................................................................................... 3 4.1 Review of NWI, Soils, Public Waters and NHD Information .......................................... 3 4.2 Wetland Determinations and Delineations........................................................................ 4 4.3 Other Areas ....................................................................................................................... 4 4.4 Request for Wetland Boundary and Jurisdictional Determination ................................... 4 5. CERTIFICATION OF DELINEATION ............................................................................. 6 TABLES Table 1. Soil types mapped on the 581 Fox Hill Drive site ................................................... 3 FIGURES 1. Site Location 2. Existing Conditions 3. National Wetlands Inventory 4. Soil Survey 5. DNR Public Waters Inventory 6. National Hydrography Dataset APPENDICES A. Joint Application Form for Activities Affecting Water Resources in Minnesota B. Wetland Delineation Data Forms C. Precipitation Data 1 581 Fox Hill Drive Chanhassen, Carver County, Minnesota Wetland Delineation Report 1. WETLAND DELINEATION SUMMARY • The 2.39-acre 581 Fox Hill Drive site was inspected on October 14, 2020 for the presence and extent of wetland. • The National Wetlands Inventory (NWI) map showed one L2ABH deep water habitat located within the property boundaries. • The DNR Public Waters Inventory showed Lotus Lake (DNR Public Water 10-6 P) bordered the eastern site boundary. • One Type 1 (PEM1A) seasonally flooded basin wetland was identified and delineated within the property boundary. It was a sparsely vegetative basin and drained to the west during high precipitation events. • The soil survey showed no hydric and partially hydric soil types on the property. • The National Hydrography Dataset showed one water body located within the eastern property boundary. 581 Fox Hill Drive, Chanhassen Wetland Delineation Report 2 2. OVERVIEW The 2.39-acre 581 Fox Hill Drive site was inspected on October 10, 2020 for the presence and extent of wetland. The property was located in the Southeast ¼ of Section 1, Township 116 North, Range 23 West, City Chanhassen, Carver County, Minnesota. The site was situated east of Big Woods Boulevard and south of Fox Hill Drive (Figure 1). The property corresponded to Carver County PID 250010200. The site consisted of residential single-family home lot with a mature canopy of red oak and sugar maple trees. The topography sloped from an elevation of 968 feet msl in the central portion of the to a low of 898 feet msl in the eastern portion of the site. The property was bordered on the west by Big Woods Boulevard, on the east by Lotus Lake (DNR Public Water 10- 6 P), on the south by a single-family home, and on the north by Fox Hill Drive. One wetland was delineated within the site boundaries. The delineated wetland boundaries and existing conditions are shown on Figure 2. Appendix A of this report includes a Joint Application Form for Activities Affecting Water Resources in Minnesota, which is submitted in request for: (1) a wetland boundary and type determination under the Minnesota Wetland Conservation Act (WCA), and (2) delineation concurrence and an Approved Jurisdictional Determination (AJD) under Section 404 of the Federal Clean Water Act. 3. METHODS Wetlands were identified using the Routine Determination method described in the Corps of Engineers Wetlands Delineation Manual (Waterways Experiment Station, 1987) and the Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Midwest Region (Version 2.0) as required under Section 404 of the Clean Water Act and the Minnesota Wetland Conservation Act. Wetland boundaries were identified as the upper-most extent of wetland that met criteria for hydric soils, hydrophytic vegetation, and wetland hydrology. Wetland-upland boundaries were marked with pin flags that were located by a Trimble R1 GPS unit. Soils, vegetation, and hydrology were documented at a representative location along the wetland- upland boundary. Plant species dominance was estimated based on the percent aerial or basal coverage visually estimated within a 30-foot radius for trees and vines, a 15-foot radius for the shrub layer, and a 5-foot radius for the herbaceous layer within the community type sampled. Soils were characterized to a minimum depth of 24 inches (unless otherwise noted) using a Munsell Soil Color Book and standard soil texturing methodology. Hydric soil indicators used 581 Fox Hill Drive, Chanhassen Wetland Delineation Report 3 are from Field Indicators of Hydric Soils in the United States (USDA Natural Resources Conservation Service (NRCS) in cooperation with the National Technical Committee for Hydric Soils, Version 8.1, 2017). Mapped soils are separated into five classes based on the composition of hydric components and the Hydric Rating by Map Unit color classes utilized on Web Soil Survey. The five classes include Hydric (100 percent hydric components), Predominantly Hydric (66 to 99 percent hydric components), Partially Hydric (33 to 65 percent hydric components), Predominantly Non-Hydric (1 to 32 percent hydric components), and Non-Hydric (less than one percent hydric components). Plants were identified using standard regional plant keys. Taxonomy and indicator status of plant species was taken from the 2016 National Wetland Plant List (U.S. Army Corps of Engineers 2016. National Wetland Plant List, version 3.3, Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory, Hanover, NH). 4. RESULTS 4.1 Review of NWI, Soils, Public Waters and NHD Information The National Wetlands Inventory (NWI) (Minnesota Geospatial Commons 2009-2014 and U.S. Fish and Wildlife Service) showed one L2ABH deep water habitat located within the property boundaries (Figure 3). The Soil Survey (USDA NRCS 2015) did not show any hydric and partially hydric soil types on the property. Predominantly non-hydric soils included Lester-Kilkenny soils. Soil types mapped on the property are listed in Table 1 and a map showing soil types is included in Figure 4. Table 1. Soil types mapped on the 581 Fox Hill Drive site Symbol Soil Name Acres % of Area % Hydric Hydric Category KC Lester-Kilkenny loams, 6 to 12 percent slopes 2.3 74.7% 0 Non-hydric KD Lester-Kilkenny loams, 12 to 18 percent slopes 0.6 19.0% 0 Non-hydric KF Lester-Kilkenny complex, 22 to 40 percent slopes 0.1 4.6% 0 Non-hydric W Water 0.0 1.6% 0 Non-hydric The Minnesota DNR Public Waters Inventory (Minnesota Department of Natural Resources 2015) showed that the eastern site boundary bordered Lotus Lake (DNR Public Water 10-6 P) (Figure 5). The National Hydrography Dataset (U.S. Geological Survey 2015) showed that the property bordered Lotus Lake to the east (Figure 6). 581 Fox Hill Drive, Chanhassen Wetland Delineation Report 4 4.2 Wetland Determinations and Delineations Potential wetlands were evaluated during field observations on October 14, 2020. One wetland was identified and delineated on the property (Figure 2). Corresponding data forms are included in Appendix B. The following description of the wetlands and adjacent uplands reflects conditions observed at the time of the field visit. Herbaceous vegetation was actively senescing at the time of the wetland delineation. Precipitation conditions were within the normal range based on available 30-day rolling total precipitation and three-month antecedent precipitation data (Appendix C). Wetland 1 was a Type 1 (PEM1A) seasonally flooded basin wetland located in western portion of the property. The wetland consisted of a sparsely vegetated basin situated in a mature oak and maple forest with little to no understory vegetation. Saturation at the soil surface was observed throughout the wetland. This wetland covered 0.11 acre within the property boundaries. Adjacent upland consisted of mature forest dominated by red oak and sugar maple trees. Primary and secondary hydrology indicators were not observed on the upland. The wetland boundary corresponded to a topographic rise that coincided with a transition from saturated soil to dry soils associated with red oak and sugar maple trees. The wetland was not shown on the NWI map and was mapped as fell in an area mapped as non-hydric soil (Lester- Kilkenny loam) on the soil survey. Wetland 1 drained overland to the west. 4.3 Other Areas Other areas were investigated because they were: (1) observed to support a hydrophytic plant community, (2) had visible wetland hydrology indicators, (3) were shown as wetland on the NWI map, or (4) were depressional and mapped as hydric soil. Field investigation led to the conclusion that these areas were not wetland. Sample Point A was adjacent to Lotus Lake located in the eastern portion of the site that was shown as a L2ABH wetland on the NWI map but was mapped as Lester-Kilkenny soils (non- hydric) on the soil survey. This area was dominated by a canopy of sugar maple trees with an understory containing common buckthorn, meadow rue, and tree saplings. Soils in this area were non-hydric and consisted of black sandy clay loam over light olive brown sandy clay loam. High chroma soil color from 8-18 inches indicated the soils were non-hydric and the area lacked primary and secondary indicators of wetland hydrology. No other areas with hydrophytic vegetation or wetland hydrology were observed on the site. No other areas were shown as hydric soil on the soil survey or as wetland on the NWI map. 4.4 Request for Wetland Boundary and Jurisdictional Determination Appendix A of this report includes a Joint Application Form for Activities Affecting Water Resources in Minnesota, which is submitted in request for: (1) a wetland boundary and type 581 Fox Hill Drive, Chanhassen Wetland Delineation Report 5 determination under the Minnesota Wetland Conservation Act (WCA), and (2) delineation concurrence and an Approved Jurisdictional Determination (AJD) under Section 404 of the Federal Clean Water Act. 581 Fox Hill Drive, Chanhassen Wetland Delineation Report 6 5. CERTIFICATION OF DELINEATION The procedures utilized in the described delineation are based on the U.S. Army Corps of Engineers 1987 Wetlands Delineation Manual as required under Section 404 of the Clean Water Act and the Minnesota Wetland Conservation Act. This wetland delineation and report were prepared in compliance with the regulatory standards in place at the time the work was performed. Site boundaries indicated on figures within this report are approximate and do not constitute an official survey product. Delineation completed by: Kyle Uhler, Wetland Monitoring Specialist Minnesota Certified Wetland Delineator No. 1353 Report prepared by: Kyle Uhler, Wetland Monitoring Specialist Minnesota Certified Wetland Delineator No. 1353 Report reviewed by: ____________________________________ Date: November 23, 2020 Mark Kjolhaug, Professional Wetland Scientist No. 000845 581 Fox Hill Drive Wetland Delineation Report FIGURES 1. Site Location 2. Existing Conditions 3. National Wetlands Inventory 4. Soil Survey 5. DNR Protected Waters Inventory 6. National Hydrography Dataset © OpenStreetMap (and) contributors, CC-BY-SA Figure 1 - Site Location Map 581 Fox Hill Drive (KES 2020-166)Chanhassen, Minnesota Note: Boundaries indicatedon this figure are approximate and do not constitute an official survey product. ¯0 500 Feet Proje ct Bou ndary Source: ESRI Streets Basemap !( !(!(9249269229 2 0 9 1 89289089 1 69109 1 2 9 1 49309329 46944940942938 9349 3 6 906948950 9049529029 0 0 8 9 8 9 5 4 896958 956 9 6 0 9 6 2 964 966 968 970 972 974976 956 954 948 956956974 Figure 2 - Existing Conditions (2016 Twin City Metro Image) 581 Fox Hill Drive SiteChanhassen, Minnesota Note: Boundaries indicatedon this figure are approximate and do not constitute an official survey product. ¯0 100 Feet Proje ct Bou ndary !(Sample Point GPS We tla nd Bound ary Off-site Wetland Boundary OHWL Carver County Lidar Source: MNGEO Spatial Commons SP1-W SP-A OHWLMNDNR Lotus (10-6 P)896.3 ft MSLDatum : NGVD 29 (ft) Wetland 10.11 acre onsite SP1-U L1UBH L2UBHPUBGx PABG PFO1A PFO1A Figure 3 - National Wetlands Inventory 581 Fox Hill Drive (KES 2020-166)Chanhassen, Minnesota Note: Boundaries indicatedon this figure are approximate and do not constitute an official survey product. ¯0 165 Feet Proje ct Bou ndary L1UBH L2UBH PABG PFO1A PUBGx Source: MNGEO Spatial Commons, USFWS KC W KD HM PM KF EX Figure 4 - Soil Survey 581 Fox Hill Drive (KES 2020-166)Chanhassen, Minnesota Note: Boundaries indicatedon this figure are approximate and do not constitute an official survey product. ¯0 165 Feet Proje ct Bou ndary Hydric/Predominantly H ydric Partially Hydric Predo min antly Non-Hydric/Non-Hydric Source: MNGEO Spatial Commons, USDA, NRCS *Se e narrative for soil descriptions Lotus (10-6 P) Figure 5 - DNR Public Waters Inventory 581 Fox Hill Drive (KES 2020-166)Chanhassen, Minnesota Note: Boundaries indicatedon this figure are approximate and do not constitute an official survey product. ¯0 165 Feet Proje ct Bou ndary Pub lic Ditch/Altered Natural Watercourse Pub lic Watercourse Pub lic Waters Source: MNGEO Spatial Commons, MN DNR Figure 6 - National Hydrography Dataset 581 Fox Hill Drive (KES 2020-166)Chanhassen, Minnesota Note: Boundaries indicatedon this figure are approximate and do not constitute an official survey product. ¯0 165 Feet Proje ct Bou ndary Lake/Pond Source: MNGEO Spatial Commons, USGS 581 Fox Hill Drive Wetland Delineation Report APPENDIX A Joint Application Form for Activities Affecting Water Resources in Minnesota 581 Fox Hill Drive Wetland Delineation Report APPENDIX B Wetland Delineation Data Forms Project/Site: Slope (%): Are climatic/hydrologic conditions of the site typical for this time of the year?(If no, explain in remarks) Are vegetation , soil significantly disturbed? Are vegetation , soil naturally problematic? SUMMARY OF FINDINGS Hydrophytic vegetation present? Hydric soil present?Is the sampled area within a wetland? Indicators of wetland hydrology present? Remarks: (Explain alternative procedures here or in a separate report.) Dominance Test Worksheet ) 1 (A) 2 3 (B) 4 5 (A/B) =Total Cover Sapling/Shrub stratum )Prevalence Index Worksheet 1 Total % Cover of: 2 OBL species x 1 = 3 FACW species x 2 = 4 FAC species x 3 = 5 FACU species x 4 = =Total Cover UPL species x 5 = Herb stratum )Column totals (A)(B) 1 Prevalence Index = B/A = 2 3 Hydrophytic Vegetation Indicators: 4 Rapid test for hydrophytic vegetation 5 Dominance test is >50% 6 Prevalence index is ≤3.0* 7 8 9 10 =Total Cover Woody vine stratum ) 1 2 =Total Cover Remarks: (Include photo numbers here or on a separate sheet) Number of Dominant Species that are OBL, FACW, or FAC: Total Number of Dominant Species Across all Strata: Percent of Dominant Species that are OBL, FACW, or FAC: 60 WETLAND DETERMINATION DATA FORM - Midwest Region City/County:Chanhassen/ Carver Sampling Date: *Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic 10/14/2020 Sampling Point:SP1-1UMN Local relief (concave, convex, none):Linear S:1 T:116N R:23W (If needed, explain any answers in remarks.) None , or hydrology , or hydrology 581 Fox Fill Drive Site Hydrophytic vegetation present? (Plot size:30 0 (Plot size:15 Tree Stratum (Plot size: ----------------- 0 0 Morphological adaptations* (provide supporting data in Remarks or on a separate sheet) N 2 0 60 240 0.00% N 0 (Plot size:5 0 4.00 60 240 Problematic hydrophytic vegetation* (explain) 0 0 0 0 0 0 Acer saccharum 30 Y FACU Absolute % Cover30 If yes, optional wetland site ID: 30-day precipitation rolling total drier than normal range. Precipiation from gridded database method is typical. N Quercus rubra 30 Y FACU Dominan t Species Indicator Status N Y VEGETATION -- Use scientific names of plants. Are "normal circumstances" present? Yes Y Lester-Kilkenny Consociation (Non-Hydric)NWI Classification: 0 to 3 Lat:Long:--------------Datum:----------------- Investigator(s):Kyle U. Landform (hillslope, terrace, etc.): Applicant/Owner:See Joint Application Form State: Hillslope Section, Township, Range: Soil Map Unit Name: US Amy Corps of Engineers Midwest Region Iron-Manganese Masses (F12) (LRR K, L, R) Very Shallow Dark Surface (TF12) X Aquatic Fauna (B13) True Aquatic Plants (B14) Hydrogen Sulfide Odor (C1) Presence of Reduced Iron (C4) No free water or saturation was observed in the sample borehole to a depth of 24 inches *Type: C = Concentration, D = Depletion, RM = Reduced Matrix, MS = Masked Sand Grains. **Location: PL = Pore Lining, M = Matrix Indicators of wetland hydrology present? Coast Prairie Redox (A16) (LRR K, L, R) Dark Surface (S7) (LRR K, L) Sandy Gleyed Matrix (S4) Sandy Redox (S5) Indicators for Problematic Hydric Soils: Other (explain in remarks) Stunted or Stressed Plants (D1) Geomorphic Position (D2) Secondary Indicators (minimum of two required) Yes FAC-Neutral Test (D5) Iron Deposits (B5) Drift Deposits (B3) (includes capillary fringe) Inundation Visible on Aerial Imagery (B7) Sparsely Vegetated Concave Surface (B8) Surface water present? Yes NoSaturation present? Field Observations: Depth (inches): Thin Muck Surface (C7) N Water table present?Yes No X Depth (inches): X Stripped Matrix (S6) Loamy Mucky Mineral (F1) Primary Indicators (minimum of one is required; check all that apply) Redox Dark Surface (F6) Depleted Dark Surface (F7) Redox Depressions (F8) No X Recent Iron Reduction in Tilled Soils (C6) Algal Mat or Crust (B4) Depth (inches): Crayfish Burrows (C8) Saturation Visible on Aerial Imagery (C9) Depth (inches): Sediment Deposits (B2) SOIL Wetland Hydrology Indicators: Saturation (A3) HYDROLOGY Surface Water (A1)Surface Soil Cracks (B6) High Water Table (A2) 2 cm Muck (A10) 5 cm Mucky Peat or Peat (S3) Restrictive Layer (if observed): Histosol (A1) Histic Epipedon (A2) Black Histic (A3) Hydrogen Sulfide (A4) Stratified Layers (A5) Depleted Below Dark Surface (A11) Thick Dark Surface (A12) Remarks: Water-Stained Leaves (B9) Oxidized Rhizospheres on Living Roots (C3) Drainage Patterns (B10) Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depleted Matrix (F3) Loamy Gleyed Matrix (F2) Gauge or Well Data (D9) Other (Explain in Remarks) Hydric Soil Indicators: Describe recorded data (stream gauge, monitoring well, aerial photos, previous inspections), if available: *Indicators of hydrophytic vegetation and weltand hydrology must be present, unless disturbed or problematic Remarks: Type: Sandy Mucky Mineral (S1) YHydric soil present? Dry-Season Water Table (C2) Water Marks (B1) 11 to 24 10YR 4/2 90 10YR 4/6 10 C M Sandy Clay Loam 0 to 11 10YR 2/1 100 Clay Loam Sampling Point:SP1-1U Depth (Inches) Matrix Redox Features Texture RemarksColor (moist)%Color (moist)%Type*Loc** US Army Corps of Engineers Midwest Region Project/Site: Slope (%): Are climatic/hydrologic conditions of the site typical for this time of the year?(If no, explain in remarks) Are vegetation , soil significantly disturbed? Are vegetation , soil naturally problematic? SUMMARY OF FINDINGS Hydrophytic vegetation present? Hydric soil present?Is the sampled area within a wetland? Indicators of wetland hydrology present? Remarks: (Explain alternative procedures here or in a separate report.) Dominance Test Worksheet ) 1 (A) 2 3 (B) 4 5 (A/B) =Total Cover Sapling/Shrub stratum )Prevalence Index Worksheet 1 Total % Cover of: 2 OBL species x 1 = 3 FACW species x 2 = 4 FAC species x 3 = 5 FACU species x 4 = =Total Cover UPL species x 5 = Herb stratum )Column totals (A)(B) 1 Prevalence Index = B/A = 2 3 Hydrophytic Vegetation Indicators: 4 Rapid test for hydrophytic vegetation 5 Dominance test is >50% 6 Prevalence index is ≤3.0* 7 8 9 10 =Total Cover Woody vine stratum ) 1 2 =Total Cover Remarks: (Include photo numbers here or on a separate sheet) Sparsely vegetated concave surface Number of Dominant Species that are OBL, FACW, or FAC: Total Number of Dominant Species Across all Strata: Percent of Dominant Species that are OBL, FACW, or FAC: 0 WETLAND DETERMINATION DATA FORM - Midwest Region City/County:Chanhassen/ Carver Sampling Date: *Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic 10/14/2020 Sampling Point:SP1-1WMN Local relief (concave, convex, none):Concave S:1 T:116N R:23W (If needed, explain any answers in remarks.) None , or hydrology , or hydrology 581 Fox Fill Drive Site Hydrophytic vegetation present? (Plot size:30 0 (Plot size:15 Tree Stratum (Plot size: ----------------- 0 0 Morphological adaptations* (provide supporting data in Remarks or on a separate sheet) Y 0 0 0 0 0.00% N 0 (Plot size:5 0 0 0 Problematic hydrophytic vegetation* (explain) 0 0 0 0 0 0 Absolute % Cover30 Wetland 1If yes, optional wetland site ID: 30-day precipitation rolling total drier than normal range. Precipiation from gridded database method is typical. Y Dominant Species Indicator Status N Y VEGETATION -- Use scientific names of plants. Are "normal circumstances" present? Yes Y Lester-Kilkenny Consociation (Non-Hydric)NWI Classification: 0 to 3 Lat:Long:--------------Datum:----------------- Investigator(s):Kyle U. Landform (hillslope, terrace, etc.): Applicant/Owner:See Joint Application Form State: Depression Section, Township, Range: Soil Map Unit Name: US Amy Corps of Engineers Midwest Region Iron-Manganese Masses (F12) (LRR K, L, R) Very Shallow Dark Surface (TF12) X X Aquatic Fauna (B13) X True Aquatic Plants (B14) Hydrogen Sulfide Odor (C1) Presence of Reduced Iron (C4) *Type: C = Concentration, D = Depletion, RM = Reduced Matrix, MS = Masked Sand Grains. **Location: PL = Pore Lining, M = Matrix Indicators of wetland hydrology present? Coast Prairie Redox (A16) (LRR K, L, R) Dark Surface (S7) (LRR K, L) Sandy Gleyed Matrix (S4) Sandy Redox (S5) Indicators for Problematic Hydric Soils: Other (explain in remarks) Stunted or Stressed Plants (D1) Geomorphic Position (D2) Secondary Indicators (minimum of two required) Yes FAC-Neutral Test (D5) Iron Deposits (B5) Drift Deposits (B3) (includes capillary fringe) Inundation Visible on Aerial Imagery (B7) Sparsely Vegetated Concave Surface (B8) Surface water present? Yes X NoSaturation present? Field Observations: Depth (inches): Thin Muck Surface (C7) Y Water table present?Yes X No Depth (inches):5 4 Stripped Matrix (S6) Loamy Mucky Mineral (F1) Primary Indicators (minimum of one is required; check all that apply) Redox Dark Surface (F6) Depleted Dark Surface (F7) Redox Depressions (F8) No X Recent Iron Reduction in Tilled Soils (C6) Algal Mat or Crust (B4) Depth (inches): Crayfish Burrows (C8) Saturation Visible on Aerial Imagery (C9) Assumed depleted below dark surface (A12) Depth (inches): Sediment Deposits (B2) SOIL Wetland Hydrology Indicators: Saturation (A3) HYDROLOGY Surface Water (A1)Surface Soil Cracks (B6) High Water Table (A2) 2 cm Muck (A10) 5 cm Mucky Peat or Peat (S3) Restrictive Layer (if observed): Histosol (A1) Histic Epipedon (A2) Black Histic (A3) Hydrogen Sulfide (A4) Stratified Layers (A5) Depleted Below Dark Surface (A11) Thick Dark Surface (A12) Remarks: Water-Stained Leaves (B9) Oxidized Rhizospheres on Living Roots (C3) Drainage Patterns (B10) Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depleted Matrix (F3) Loamy Gleyed Matrix (F2) Gauge or Well Data (D9) Other (Explain in Remarks) Hydric Soil Indicators: Describe recorded data (stream gauge, monitoring well, aerial photos, previous inspections), if available: *Indicators of hydrophytic vegetation and weltand hydrology must be present, unless disturbed or problematic Remarks: Type: Sandy Mucky Mineral (S1) YHydric soil present? Dry-Season Water Table (C2) Water Marks (B1) 0 to 24 10YR 2/1 100 Clay Loam Sampling Point:SP1-1W Depth (Inches) Matrix Redox Features Texture RemarksColor (moist)%Color (moist)%Type*Loc** US Army Corps of Engineers Midwest Region Project/Site: Slope (%): Are climatic/hydrologic conditions of the site typical for this time of the year?(If no, explain in remarks) Are vegetation , soil significantly disturbed? Are vegetation , soil naturally problematic? SUMMARY OF FINDINGS Hydrophytic vegetation present? Hydric soil present?Is the sampled area within a wetland? Indicators of wetland hydrology present? Remarks: (Explain alternative procedures here or in a separate report.) Dominance Test Worksheet ) 1 (A) 2 3 (B) 4 5 (A/B) =Total Cover Sapling/Shrub stratum )Prevalence Index Worksheet 1 Total % Cover of: 2 OBL species x 1 = 3 FACW species x 2 = 4 FAC species x 3 = 5 FACU species x 4 = =Total Cover UPL species x 5 = Herb stratum )Column totals (A)(B) 1 Prevalence Index = B/A = 2 3 Hydrophytic Vegetation Indicators: 4 Rapid test for hydrophytic vegetation 5 Dominance test is >50% 6 Prevalence index is ≤3.0* 7 8 9 10 =Total Cover Woody vine stratum ) 1 2 =Total Cover Remarks: (Include photo numbers here or on a separate sheet) Number of Dominant Species that are OBL, FACW, or FAC: Total Number of Dominant Species Across all Strata: Percent of Dominant Species that are OBL, FACW, or FAC: 60 WETLAND DETERMINATION DATA FORM - Midwest Region City/County:Chanhassen/ Carver Sampling Date: *Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic 10/14/2020 Sampling Point:SP-AMN Local relief (concave, convex, none):Linear S:1 T:116N R:23W (If needed, explain any answers in remarks.) None , or hydrology , or hydrology 581 Fox Fill Drive Site Hydrophytic vegetation present? (Plot size:30 10 (Plot size:15 Tree Stratum (Plot size: ----------------- 10 20 Morphological adaptations* (provide supporting data in Remarks or on a separate sheet) N 5 1 85 340 20.00% N 0 Thalictrum dioicum 5 Y FACU (Plot size:5 Acer saccharum 5 Y FACU 40 3.68 110 405 Problematic hydrophytic vegetation* (explain) 0 0 0 0 15 45 Acer saccharum 25 Y FACU Rhamnus cathartica 15 Y FAC Tilia americana 10 N FACU Acer saccharinum 10 N FACW Quercus rubra 10 N FACU Absolute % Cover30 If yes, optional wetland site ID: 30-day precipitation rolling total drier than normal range. Precipiation from gridded database method is typical. N Acer saccharum 30 Y FACU Dominan t Species Indicator Status N N VEGETATION -- Use scientific names of plants. Are "normal circumstances" present? Yes Y Lester-Kilkenny Consociation (Non-Hydric)NWI Classification: 0 to 3 Lat:Long:--------------Datum:----------------- Investigator(s):Kyle U. Landform (hillslope, terrace, etc.): Applicant/Owner:See Joint Application Form State: Hillslope Section, Township, Range: Soil Map Unit Name: US Amy Corps of Engineers Midwest Region Iron-Manganese Masses (F12) (LRR K, L, R) Very Shallow Dark Surface (TF12) Aquatic Fauna (B13) True Aquatic Plants (B14) Hydrogen Sulfide Odor (C1) Presence of Reduced Iron (C4) 18 to 24 10YR 4/2 95 10YR 4/6 5 C M Sandy Clay Loam No free water or saturation was observed in the sample borehole to a depth of 24 inches *Type: C = Concentration, D = Depletion, RM = Reduced Matrix, MS = Masked Sand Grains. **Location: PL = Pore Lining, M = Matrix Indicators of wetland hydrology present? Coast Prairie Redox (A16) (LRR K, L, R) Dark Surface (S7) (LRR K, L) Sandy Gleyed Matrix (S4) Sandy Redox (S5) Indicators for Problematic Hydric Soils: Other (explain in remarks) Stunted or Stressed Plants (D1) Geomorphic Position (D2) Secondary Indicators (minimum of two required) Yes FAC-Neutral Test (D5) Iron Deposits (B5) Drift Deposits (B3) (includes capillary fringe) Inundation Visible on Aerial Imagery (B7) Sparsely Vegetated Concave Surface (B8) Surface water present? Yes NoSaturation present? Field Observations: Depth (inches): Thin Muck Surface (C7) N Water table present?Yes No X Depth (inches): X Stripped Matrix (S6) Loamy Mucky Mineral (F1) Primary Indicators (minimum of one is required; check all that apply) Redox Dark Surface (F6) Depleted Dark Surface (F7) Redox Depressions (F8) No X Recent Iron Reduction in Tilled Soils (C6) Algal Mat or Crust (B4) Depth (inches): Crayfish Burrows (C8) Saturation Visible on Aerial Imagery (C9) Depth (inches): Sediment Deposits (B2) SOIL Wetland Hydrology Indicators: Saturation (A3) HYDROLOGY Surface Water (A1)Surface Soil Cracks (B6) High Water Table (A2) 2 cm Muck (A10) 5 cm Mucky Peat or Peat (S3) Restrictive Layer (if observed): Histosol (A1) Histic Epipedon (A2) Black Histic (A3) Hydrogen Sulfide (A4) Stratified Layers (A5) Depleted Below Dark Surface (A11) Thick Dark Surface (A12) Remarks: Water-Stained Leaves (B9) Oxidized Rhizospheres on Living Roots (C3) Drainage Patterns (B10) Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depleted Matrix (F3) Loamy Gleyed Matrix (F2) Gauge or Well Data (D9) Other (Explain in Remarks) Hydric Soil Indicators: Describe recorded data (stream gauge, monitoring well, aerial photos, previous inspections), if available: *Indicators of hydrophytic vegetation and weltand hydrology must be present, unless disturbed or problematic Remarks: Type: Sandy Mucky Mineral (S1) NHydric soil present? Dry-Season Water Table (C2) Water Marks (B1) 8 to 18 2.5Y 4/3 100 Sandy Clay Loam 0 to 8 10YR 2/1 100 Sandy Clay Loam Sampling Point:SP-A Depth (Inches) Matrix Redox Features Texture RemarksColor (moist)%Color (moist)%Type*Loc** US Army Corps of Engineers Midwest Region 581 Fox Hill Drive Wetland Delineation Report APPENDIX C Precipitation Data 11/2/2020 Precipitation Documentation Worksheet Using Gridded Database https://climateapps.dnr.state.mn.us/gridded_data/precip/wetland/worksheet.asp?passXutm83=458073&passYutm83=4970217&passcounty=Carver&p…1/1 Minnesota State Climatology Office State Climatology Office - DNR Division of Ecological and Water Resources home | current conditions | journal | past data | summaries | agriculture | other sites | about us Precipitation data for target wetland location: county: Carver township number: 116N township name: Lake Minnewashta range number: 23W nearest community: Carver Beach section number: 1 Aerial photograph or site visit date: Sunday, November 1, 2020 Score using 1981-2010 normal period values are in inches A 'R' following a monthly total indicates a provisional value derived from radar-based estimates. first prior month: October 2020 second prior month: September 2020 third prior month: August 2020 multi-month score: 6 to 9 (dry) 10 to 14 (normal) 15 to 18 (wet) Other Resources: retrieve daily precipitation data view radar-based precipitation estimates view weekly precipitation maps Evaluating Antecedent Precipitation Conditions (BWSR) estimated precipitation total for this location:2.57 1.10R 7.12R monthly score 3 * 2 = 6 2 * 1 = 2 1 * 3 = 3 11 (Normal) there is a 30% chance this location will have less than:1.17 2.50 3.14 there is a 30% chance this location will have more than:3.50 4.77 5.43 type of month: dry normal wet normal dry wet Precipitation Worksheet Using Gridded Database 0 1 2 3 4 5 6 7 8 9 10 11 12 13 7/30/20 8/14/20 8/29/20 9/13/20 9/28/20 10/13/20 10/28/20Daily and monthly total precipitation (inches) monthly precip daily precip 30d rolling total Series6 30 -day rolling total normal precip range Site Visit Climate Conditions Chanhassen,MN Site Visit October 14, 2020 Chanhassen MN: Precipitation Summary Source: Minnesota Climatology Working Group Monthly Totals: 2020 latitude: 44.88414 longitude: 93.53089 Target: 116N 23W S1 mon year cc tttN rrW ss nnnn oooooooo pre (inches) Jan 2020 10 116N 23W 15 NWS CHAN_NWS .78 Feb 2020 10 116N 23W 15 NWS CHAN_NWS .59 Mar 2020 10 116N 23W 15 NWS CHAN_NWS 2.88 Apr 2020 27 116N 22W 7 BYRG 1.83 May 2020 27 116N 22W 7 BYRG 5.19 Jun 2020 10 116N 23W 13 BYRG 4.56 Jul 2020 27 116N 22W 7 BYRG 4.40 Aug 2020 27 116N 22W 7 BYRG 8.34 Sep 2020 27 116N 22W 7 BYRG 1.13 Oct 2020 10 116N 23W 15 NWS CHAN_NWS 2.57 August/September/October Daily Records Date Precip. Aug 1, 2020 .15 Aug 2, 2020 0 Aug 3, 2020 0 Aug 4, 2020 0 Aug 5, 2020 0 Aug 6, 2020 0 Aug 7, 2020 0 Aug 8, 2020 .05 Aug 9, 2020 .70 Aug 10, 2020 4.65 Aug 11, 2020 0 Aug 12, 2020 .68 Aug 13, 2020 .02 Aug 14, 2020 0 Aug 15, 2020 .60 Aug 16, 2020 0 Aug 17, 2020 .11 Aug 18, 2020 0 Aug 19, 2020 0 Aug 20, 2020 0 Aug 21, 2020 0 Aug 22, 2020 0 Aug 23, 2020 .20 Aug 24, 2020 0 Aug 25, 2020 0 Aug 26, 2020 0 Aug 27, 2020 0 Aug 28, 2020 .50 Aug 29, 2020 0 Aug 30, 2020 .68 Aug 31, 2020 0 1981-2010 Summary Statistics Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec WARM ANN WAT 30% 0.52 0.42 1.22 2.01 2.55 3.13 3.14 3.14 2.50 1.17 1.12 0.75 17.59 29.34 27.32 70% 1.15 0.93 2.08 2.94 4.21 4.92 4.20 5.43 4.77 3.50 1.90 1.40 22.19 34.91 34.95 mean 0.90 0.79 1.75 2.66 3.47 4.32 4.25 4.40 3.61 2.51 1.80 1.17 20.05 31.62 31.45 Date Precip. Sep 1, 2020 0 Sep 2, 2020 0 Sep 3, 2020 0 Sep 4, 2020 0 Sep 5, 2020 0 Sep 6, 2020 .20 Sep 7, 2020 .18 Sep 8, 2020 .15 Sep 9, 2020 .17 Sep 10, 2020 0 Sep 11, 2020 0 Sep 12, 2020 .15 Sep 13, 2020 0 Sep 14, 2020 0 Sep 15, 2020 0 Sep 16, 2020 0 Sep 17, 2020 0 Sep 18, 2020 0 Sep 19, 2020 0 Sep 20, 2020 0 Sep 21, 2020 .08 Sep 22, 2020 0 Sep 23, 2020 0 Sep 24, 2020 .10 Sep 25, 2020 0 Sep 26, 2020 0 Sep 27, 2020 0 Sep 28, 2020 .08 Sep 29, 2020 0 Sep 30, 2020 .02 Date Precip. Oct 1, 2020 T Oct 2, 2020 0 Oct 3, 2020 0 Oct 4, 2020 0 Oct 5, 2020 0 Oct 6, 2020 0 Oct 7, 2020 0 Oct 8, 2020 0 Oct 9, 2020 0 Oct 10, 2020 0 Oct 11, 2020 .90 Oct 12, 2020 .58 Oct 13, 2020 0 Oct 14, 2020 .05 (site visit) Oct 15, 2020 0 Oct 16, 2020 .01 Oct 17, 2020 .04 Oct 18, 2020 0 Oct 19, 2020 .04 Oct 20, 2020 .75 Oct 21, 2020 T Oct 22, 2020 .09 Oct 23, 2020 .06 Oct 24, 2020 0 Oct 25, 2020 .05 Oct 26, 2020 0 Oct 27, 2020 0 Oct 28, 2020 0 Oct 29, 2020 0 Oct 30, 2020 0 Oct 31, 2020 T Wetland Functional Assessment Summary Wetland Name Maintenance of Hydrologic Regime Flood/ Stormwater/ Attenuation Downstream Water Quality Maintenance of Wetland Water Quality Shoreline ProtectionHydrogeomorphology Wetland Name Ground- Water Interaction Maintenance of Characteristic Wildlife Habitat Structure Maintenance of Characteristic Fish Habitat Aesthetics/ Recreation/ Education/ Cultural Commercial Uses Wetland Restoration Potential Wetland Sensitivity to Stormwater and Urban Development Additional Stormwater Treatment Needs Maintenance of Characteristic Amphibian Habitat Additional Information Cowardin ClassificationWetland Name Location Vegetative Diversity/Integrity Plant Community Wetland Community Summary Circular 39 Wetland Proportion Individual Community Rating Highest Wetland Rating Average Wetland Rating Weighted Average Wetland Rating Community Denotes incomplete calculation data. High High Moderate Moderate Not Applicable Depressional/Isolated (no discernable inlets or outlets)0.75 0.68 0.62 0.58 0.00Fox Hill Chanhassen Combination Discharge, Recharge Moderate Not Applicable Moderate Not Applicable Not Applicable Exceptional ModerateModerate 0.63 0.00 0.43 0.00 0.00 0.10 0.580.42Fox Hill Chanhassen PEM1A Type 1 Seasonally Flooded Basin 100 0.1 0.10 0.10 0.10 Low Low Low Fox Hill Chanhassen 10-116-23-01-001 Low Low Low1000.10 0.10 0.10 Friday, May 28, 2021 Page 1 of 1 Management Classification Report for 82 Fox Hill ChanhassenFox Hill Chanhassen County Corps Bank Service Area CARVER 33 9 ID: Minnesota (Shakopee)Watershed, # Based on the MnRAM data input from field and office review and using the classification settings as shown below, this wetland is classified as Functional rank of this wetland based on MnRAM data Functional Category Self-defined classification value settings for this management level Vegetative Diversity/Integrity Habitat Structure (wildlife) Amphibian Habitat Fish Habitat Shoreline Protection Aesthetic/Cultural/Rec/Ed and Habitat Stormwater/Urban Sensitivity and Vegetative Diversity Wetland Water Quality and Vegetative Diversity Characteristic Hydrology and Vegetative Diversity Flood/Stormwater Attenuation* Commericial use* Downstream Water Quality* Low Moderate Moderate Not Applicable Not Applicable Moderate Not Applicable Moderate High High Exceptional The critical function that caused this wetland to rank as Moderate Details of the formula for this action are shown below: Manage 1 High High Moderate High Moderate High High High High - High - Manage 1 Maintenance of Characteristic Amphibian Habitat was /Moderate / / / Moderate Moderate Moderate (Q43) * [( Q44 + 2*Q23wildlife + Q14 +Q 41 + Q20 reversed)/6] Value Description Maintenance of Characteristic Amphibian Habitat Question 14 Upland land use0.5 20 Stormwater runoff0.5 23 Buffer width0.5 41 Wildlife barriers0.5 43 Amphib breeding potential--fish presence1 44 Amphib & reptile overwintering habitat0 Friday, May 28, 2021This report was printed on: * The classification value settings for these functions are not adjustable 82Fox Hill Chanhassen MnRAM: Site Response Record For Wetland:Fox Hill Chanhassen Location:10-116-23-01-001 4 No 5 No 6 No 7 Depressional/Isolated 8-1 2 inches 8-2 80% 9 1.46 acre 11-Upland Soil Lester-Kilkenny complex, 6 to 12 percent slopes 11-Wetland Soil Lester-Kilkenny complex, 6 to 12 percent slopes 12 B 13 A 14 B 15 A 16 10% 17 NA 18 A 19 B 20 B 21 A 22 A 23 50 feet 24-A 100% 24-B 0% 24-C 0% 25-A 85% 25-B 15% 25-C 0% Outlet for flood control Outlet for hydro regime Dominant upland land use Wetland soil condition Vegetation (% cover) Emerg. veg flood resistance Sediment delivery Upland soils (soil group) Stormwater runoff Subwatershed wetland density Channels/sheet flow Adjacent buffer width Adjacent area management Full Manicured Bare Adjacent area diversity/structure Native Mixed Sparse Listed, rare, special species? Rare community or habitat? Pre-European-settlement condition? Hydrogeomorphology / topography: Maximum water depth % inundated Immediate drainage--local WS 10 Esimated size/existing site: (see #66) PEM1A Type 1 Plant Community:Seasonally Flooded Ba Cowardin Classification: Circular 39:26-A 100% 26-B 0% 26-C 0% 27 B 28 A 29 No 30 0% 31 0 feet 32 33 34 35 No 36 No 37 NA 38 NA 39 A 40 A 41 B 42 Adequate 43 A 44 45 46 NA 47 48 No 49 C 50 Yes 51 C 52 C 53 A 54 B 55 B 56 C 57 NA Gentle Moderate Steep Adjacent area slope Downstream sens./WQ protect. Nutrient loading Shoreline wetland? Rooted veg., % cover Wetland in-water width Emerg. veg. erosion resistance Erosion potential of site Upslope veg./bank protection Rare wildlife? Scare/Rare/S1/S2 community Vegetative cover Veg. community interspersion Wetland detritus Interspersion on landscape Wildlife barriers Hydroperiod adequacy Fish presence Overwintering habitat Wildlife species (list) Fish habitat quality Fish species (list) Unique/rare opportunity Wetland visibility Proximity to population Public ownership Public access Human influence on wetland Human influence on viewshed Spatial buffer Recreational activity potential Commercial crop--hydro impact Shoreline Wetland Amphibian-breeding potential 58 Recharge 59 Discharge 60 Discharge 61 Recharge 62 Recharge 63 Recharge 64 No 65 66 0.11 0 0 67 0 feet 68 69 0 70 0 71 Exceptional 72 A Wetland soils Subwatershed land use Wetland size/soil group Wetland hydroperiod Inlet/Outlet configuration Upland topo relief Restoration potential LO affected by restoration Existing size Restorable size Potential new wetland Average width of pot. buffer Ease of potential restoration Hydrologic alterations Potential wetland type Stormwater sensitivity Additional treatment needs Groundwater-specific questions For functional ratings, please run the Summary tab report. Additional information This report printed on:5/28/2021 Minnesota (Shakopee)Watershed : Service Area:9WS#33