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Application NA-026620-03B (V.2.02 for MS WORD) 10/29/04 Minnesota Local/State/Federal Application Forms for Water/Wetland Projects USE THIS APPLICATION FOR ANY PROJECT AFFECTING A LAKE, RIVER, STREAM OR WETLAND, INCLUDING: Local Government Unit Approval Pursuant to Minnesota Wetlands Conservation Act (WCA) Minnesota Department of Natural Resources (DNR) Permit to Work in Public Waters Department of the Army Permit (33 CFR 325) Note: The U.S. Army Corps of Engineers (COE) will forward application forms to the Minnesota Pollution Control Agency (MPCA) for processing if state water quality certification is required from the MPCA. You do not need to send this application to the MPCA. This application packet includes: Part I: The BASIC APPLICA nON and the COE APPLICA nON to be filled out by all applicants (see Instructions). PART II: The REPLACEMENT PLAN SUPPLEMENT to be completed only for projects that impact wetlands and require a replacement plan for wetland mitigation. If you're not sure whether your project requires a replacement plan, call your Local Government Unit (LGU) or Soil and Water Conservation District (SWCD) office for guidance. Do not proceed with your project until you have received all required approvals from your LGU, the DNR and the COE. If you wish to confirm the status of your application at any time, contact the agencies directly (see Instructions, page 2). Proceeding with work before all required authorizations are obtained may result in fines or other penalties, and may include a requirement to restore the project site to original condition. If you have questions or need assistance with filling out these forms, contact your local SWCD office, your LGU, your Area DNR Waters office, or your COE field office (see Instructions, page 2). If you believe that your project may be subject to watershed district, local zoning, or any other local regulations besides those of your LGU, contact those office(s) directly. If you are a Federal Farm Program participant and your project affects a wetland or water body on agricultural land, your eligibility for USDA benefits may be affected. Contact a Natural Resources Conservation Service office for further information. A QUICK LOOK AT THE PROJECT APPLICATION PROCESS Electronic files: Forms can be downloaded and filled out using Microsoft Word. Your input will be restricted to fill-in fields where users can enter text or check boxes. These areas appear gray on the screen, but not on the printed document. Send copies of these completed application forms to your LGU, your Area DNR Waters office, and your CaE regulatory office. Any of the agencies may make initial contact with you to: a) inform you that it has no jurisdiction over your project; b) request additional information needed; or c) inform you of applicable fees. When your application is considered complete and appropriate fees have been received (ifrequested) it will be distributed for appropriate review. Following agencies' reviews, you will be informed ifit has been approved, approved with changes or conditions, withdrawn, or denied. For information about state laws, rules and regulations that direct this process go to the web site www.revisor.leg.state.mn.us. For information on U.S. Army Corps of Engineers regulations go to the web site www.mvp.usace.army.mil. Instructions for Part I HELP 1: Every applicant must fill out Section 1. The applicant is the person, agency, company, corporation, or other organization that owns, leases, or holds other legal rights to the land where the project is located. Indicate names of multiple applicants on a separate sheet. HELP lA: Fill out Section lA only if you have designated an authorized agent. An authorized agent may be an attorney, builder, consultant, contractor, engineer, or any other person or organization designated by the applicant to represent himlher in this process. An agent is not required. HELP 5: Purpose, description and dimensions of project: State briefly (in a sentence or two) what you propose to do and why it is needed. Also, describe whether your project will involve any ofthe following: Construction of structures, filling, draining, dewatering, removing, excavating or repair. Construction of an access path, bridge, culvert, dam, ditch, dock, driveway, riprap, road, sand blanket, shore protection, or tile line. Construction of any structures on fill, piles or a float-supported platform. Ifso, describe. Dredging or discharging (placing fill material) into a wetland or other water body (including the temporary placement of material). If so, explain the specific purpose of the placement of the material (such as erosion control) and indicate how it will be done (such as with a backhoe or dragline). If dredged material is to be discharged on an upland site, identify the location of the site. Minnesota Local/State/Federal Application Forms for Water/Wetland Projects Instructions, Page I NA-026620-03B Minnesota Local/State/Federal A (V.2.02 for MS WORD) 10/29/04 lication Form for Water/Wetland Pro'ects A Iication No. Field Office Code For Internal Use Only Date Initial A Iication Received Date initial A PART I: BASIC APPLICATION "See HELP" directs you to important additional information and assistance in Instructions, Page I. 1. LANDOWNER/APPLICANT CONTACT INFORMATION (See Help 1) Name: City of Chanhassen Attn: Paul Oehme Phone: 952-227-1160 Complete mailing address: 7700 Market Boulevard P.O. Box 147 Chanhassen MN 55317 1A. AUTHORIZED AGENT (See Help 1A) Name: Complete mailing address: (Only if applicable; an agent is not required) Phone: 2. NAME, TYPE AND SIZE OF PUBLIC WATERS or WETLANDS IMPACTED (Attach Additional Project Area sheets if needed) Name or I.D. # of Waters Impacted (if applicable; if known): n/a (Check all that apply): OLake DRiver [8]Wetland type [8] lOlL 02 03 04 05 06 07 08 Indicate size of entire lake or wetland (check one): [8] Less than 10 acres (indicate size: 0.19 ac) 010 to 40 acres 0 Greater than 40 acres 3. PROJECT LOCATION (Information can be found on property tax statement, property title or title insurance): Project street address: 3300 Tanadoona Drive Fire #: City (if applicable): Chanhassen y. Section: NE Section: 8 Township #: 116 Range #: 23 County: Carver Lot #: n/a Block: n/a Subdivision: n/a Watershed (name or #) Minnehaha Creek UTM location: N 541,385 E 185,018 Attach a simple site locator map. Ifneeded, include on the map written directions to the site from a known location or landmark, and provide distances from known locations. Label the sheet SITE LOCATOR MAP. 4. TYPE OF PROJECT: Describe the type of proposed work. Attach TYPE OF PROJECT sheet if needed. Street reconstruction project. 5. PROJECT PURPOSE, DESCRIPTION AND DIMENSIONS: Describe what you plan to do and why it is needed, how you plan to construct the project with dimensions (length, width, depth), area of impact, and when you propose to construct the project. This is the most important part of your application. See HELP 5 before completing this section; see What To Include on Plans (Instructions, page I). Attach PROJECT DESCRIPTION sheet. See attached Footprint ofproject: 0.048 acres or 2,100 square feet drained, filled or excavated. 6. PROJECT AL TERNA TIVES: What alternatives to this proposed project have you considered that would avoid or minimize impacts to wetlands or waters? List at least TWO additional alternatives to your project in Section 5 that avoid wetlands (one of which may be "no build" or "do nothing"), and explain why you chose to pursue the option described in this application over these alternatives. Attach PROJECT ALTERNATIVES sheet if needed. See attached 7. ADJOINING PROPERTY OWNERS: For projects that impact more than 10,000 square feet of water or wetlands, list the complete mailing addresses of adjacent property owners on an attached separate sheet. (See HELP 7) 8. PORTION OF WORK COMPLETED: Is any portion ofthe work in wetland or water areas already completed? 0 Yes [8]No. If yes, describe the completed work on a separate sheet of paper labeled WORK ALREADY COMPLETED. (See HELP 8) 9. STATUS OF OTHER APPROVALS: List any other permits, reviews or approvals related to this proposed project that are either pending or have already been approved or denied on a separate attached sheet. See HELP 9. 10. I am applying for state and local authorization to conduct the work described in this application. I am familiar with the information contained in this application. To the best of my knowledge and belief, all information in Part I is true, complete, and accurate. I possess the authority to undertake the work described, or I am acting as the duly authorized agent ofthe applicant. 7j;~/{) 1 Date Signature of agent (if applicable) Date This block must be signed by the person who desires to undertake the proposed activity and has the necessary property rights to do so. If only the Agent has signed, please attach a separate sheet signed by the landowner, giving necessary authorization to the Agent. Minnesota Local/State/Federal Application Forms for Water/Wetland Projects Page 1 Include an overhead view drawing showing the work to be undertaken and its relative location on the property. Show items such as property boundaries or lot dimensions; location and extent of shoreline, wetlands and water; location and dimensions and footprint of the proposed project, structure or activity (include length, width, elevation and other measurements as appropriate); points of reference such as existing homes, structures, docks or landscape features; indication of north; and location of spoil and disposal sites (if applicable). Hand drawn, computer generated or professionally prepared drawings are acceptable, as long as they contain all necessary information clearly, accurately, and in adequate detail. Please include specific dimensions whenever possible. You may also include photos, if you wish. Paper copies should be limited to maximum dimensions of 11" by 17". Computer files should be viewable in a PDF format; contact the agency for other usable formats. HELP 7: For information regarding adjacent landowners, contact the tax assessor where the project is to be developed. HELP 8: If any part of the work has already been completed, describe the area already developed. Include a description of structures completed; any dredged or fill material already discharged (including type of material and volume in cubic yards); acres or square feet filled (if a wetland or other waterbody); and whether the work was done under an existing permit (if so identify the authorization, if possible). HELP 9: Other permits, reviews or approval related to the project may include the following: conditional use permit; plat approval; zoning variance; National Pollutant Discharge Elimination System permit; state disposal system permit (includes dredged material disposal); watershed district/watershed management organization permit (stormwater, erosion, floodplain); environmental assessment worksheet/environmental impact statement; hazardous waste site; feedlot permit; groundwater appropriation permit; or county/township driveway/road permit. Are you aware of any archeological or cultural resource determinations or surveys completed concerning the project or replacement site by the State Historic Preservation Office (SHPO) or others? If yes, please explain on a separate sheet or attach a copy of any determinations or surveys. Final Checklists (Part I) ~ Have you completed all of Part I (Page I), plus the Federal application (Page 2)? ~ Did you (and your agent, if applicable) sign Section 10 on page I? ~ Have you signed the Application for the Department of the Army Permit (Page 2) to seek Federal authorization of your project? ~ Have you included the necessary attachments for Part I? Attachments must include: ~ Site Locator Map (Section 3) ~ Type of Project (Section 4) (if additional space was needed) ~ Overhead View of Project (Section 5 and HELP 5) ~ Project Purpose, Description and Dimensions (Section 5) (if additional space was needed) Attachments may also include: D Applicant Contact Information (HELP I) (if additional space was needed) D Project Location (Section 3) (if additional space was needed) ~ Project Alternatives (Section 6) (if additional space was needed) D Photographs D Adjoining Property Owners (Section 7) (if additional space was needed) D Work Already Completed Section (Section 8) (if you answered YES) D State Historic Preservation Office determination or survey Submitting Your Application Make three copies of the entire application and all attachments. Keep the original, and mail a complete copy of your application to each of the local, state, and Federal entities listed below. Be sure to include Part I and all attachments with each application. LOCAL: Send to the appropriate Local Government Unit (LGU). Ifnecessary, contact your county Soil and Water Conservation District (SWCD) office or visit the Board of Water and Soil Resources (BWSR) web site (www.bwsr.state.mn.us) to determine the appropriate LGU. STATE: Send to your Area DNR Waters office, attention Area Hydrologist. Ifnecessary, contact your county Soil and Water Conservation District (SWCD) office or visit the DNR website (www.dnr.state.mn.us) to locate the Area Hydrologist for your location, or contact a Regional DNR office: NW Region: NE Region: Central Region: Southern Region: 2115 Birchmont Beach Road N.E. 1201 East Highway 2 1200 Warner Road 261 Highway 15 South Bemidji, MN 56601 Grand Rapids, MN 55744 St. Paul, MN 55106 New Ulm, MN 56073 Phone: 218-755-3973 Phone: 218-327-4416 Phone: 651-772-7910 Phone: 507359-6053 FEDERAL: Send to the appropriate U.S. Army Corps of Engineers regulatory field office: Brainerd: U.S. COE, Regulatory Branch 10867 E. Gull Lake Drive N.W. Brainerd, MN 56401-9051 Phone: 218-829-8402 St. Paul: U.S. COE, Regulatory Branch Army Corps of Engineers Centre 190 5th Street East St. Paul, MN 55101-9051 Phone: 651-290-5375 La Crescent: U.S. COE, Regulatory Branch I I 14 South Oak Street La Crescent, MN 55947-1338 Phone: 507-895-8059 Two Harbors: U.S. COE, Regulatory Branch 1554 Highway 2, Suite 2 Two Harbors, MN 556 I 6 Phone: 218-834-6630 WEB SITES: BWSR: www.bwsr.state.mn.us u.s. ACOE: www.mvp.usace.anny.mil DNR: www.dnr.state.mn.us MPCA: www.pca.state.mn.us Minnesota Local/State/Federal Application Fonns for WaterlWetland Projects Instructions, Page 2 APPLICA nON FOR DEPARTMENT OF THE ARMY PERMIT (33 CFR 325) OMS APPROY AL NO. 0710-003 Expires Dec 31, 2004 The public burden for this collection of information is estimated to average 10 hours per response, although the majority of applications should require 5 hours or less. This includes the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection ofinformation, including suggestions for reducing this burden, to Department of Defense, Washington Headquarters Service Directorate oflnformation Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302; and to the Office of Management and Budget, Paperwork Reduction Project (0710-0003), Washington, DC 20503. Respondents should be aware that notwithstanding any other provision of law. no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. Please DO NOT RETURN your form to either of these addresses. Completed applications must be submitted to the District engineer having jurisdiction over the location of the proposed activity. PRIVACY ACT STATEMENT: Authorities: Rivers and Harbors Act, Section 10,33 USC 403; Clean Water Act, Section 404, 33 USC 1344; Marine Protection, Research and Sanctuaries Act, 33 USC 1413, Section 103. Principal purpose: Information provided on this form will be used in evaluating the application for a permit. Routine uses: This information may be shared with the Department of Justice and other Federal, state, and local government agencies. Submission of requested information is voluntary; however, if information is not provided. the permit application cannot be evaluated nor can a permit be issued. ITEMS 1 THROUGH 4 TO BE FILLED IN BY THE CORPS I. APPLICATION NO. 2. FIELD OFFICE CODE 3. DATE RECEIVED 4. DATE APPLICATION COMPLETED YOU DO NOT NEED TO COMPLETE ITEMS 6-10 and 12-25 in the SHADED AREAS. All applicants must complete non-shaded items 5 and 26. If an agent is used, also complete items 8 and II. This optional Federal form is valid for use onl when included as art of this entire state a Iication acket. 5. APPLICANT'S NAME 8. AUTHORIZED AGENT'S NAME AND TITLE (an agent is not required) City of Chanhassen Attn: Paul Oehme 6. APPLICANT'S ADDRESS 9. AGENT'S ADDRESS 7. APPLICANT'S PHONE NO. 10. AGENT'S PHONE NO. 11. STATEMENT OF AUTHORIZATION (if applicable; complete only if authorizing an agent) I hereby authorize to act on my behalf as my agent in the processing of this application and to furnish, upon request, supplemental information in support of this permit application. APPLlCANr'S SIGNATURE: DATE: 12. PROJECT NAME OR TITLE (see instructions) 13. NAME OF W A TERBODY, IF KNOWN (if applicable) 14. PROJECT STREET ADDRESS (if applicable) IS. LOCATION OF PROJECT 16. OTHER LOCATION DESCRIPTIONS, IF KNOWN (see instructions) 17. DIRECTIONS TO THE SITE 18. NATURE OF ACTIVITY 19. PROJECT PURPOSE 20. REASON(S) FOR DISCHARGE 21. TYPES OF MATERIAL BEING DISCHARGED AND THE AMOUNT OF EACH TYPE IN CUBIC YARDS 22. SURF ACE AREA IN ACRES OF WETLANDS OR OTHER WATERS FILLED 23. IS ANY PORTION OF THE WORK ALREADY COMPLETE? YES NO IF YES, DESCRIBE COMPLETED WORK. 24. ADDRESSES OF ADJOINING PROPERTY OWNERS, 25. LIST OF OTHER CERTIFICATIONS OR APPROY ALSIDENIALS RECEIVED FROM OTHER FEDERAL, STATE OR LOCAL AGENCIES FOR WORK DESCRIBED IN THIS APPLICATION. 26. Application is hereby made for a permit or permits to authorize the work described in this application. I certify that the information in this application is complete and accurate. I further certify that I possess the authority to undertake the work described herein or am acting as the duly authorized agent ofthe applicant. \)~L ":J1/d/t1 '7 Signature of applicant ~ Signature of agent (if any) Date The application must be signed by the person who desires to undertake the proposed activity (applicant), or it may be signed by a duly authorized agent if the statement in Block II has been filled out and signed. 18 U.S.C. Section 1001 provides that: Whoever, in any manner within the jurisdiction of any department or agency of the United States knowingly and willfully falsifies, conceals, or covers up with any trick, scheme, or disguises a material fact or makes any false, fictitious or fraudulent statements or representations or makes or uses any false writing or document knowing same to contain any false, fictitious or fraudulent statements or entry, shall be fined not more than $10,000 or imprisoned not more than five years or both. ENG FORM 4345, Jul 97 EDITION OF FEB 94 IS OBSOLETE. (Proponent: CECW-OR) Minnesota Local/State/Federal Application Forms for Water/Wetland Projects Page 2 FOR LGU USE ONLY: Determination for Part 1: o No WCA Jurisdiction o Exempt: No. _ (per MN Rule 8420.0122) o No Loss: _ (A,B,. . .G, per MN Rule 8420.0220) 181 Replacement required - applicant must complete Part 11 COMPLETE THE SECTION BELOW ONLY IF REPLACEMENT IS NOT REOUlRED: Application is (check one): 0 Approved DApproved with conditions (conditions attached) o Denied Comments/Findings: LGU official signature Date Name and Title For Agricultural and Drainage exemptions (MN Rule 8420.0122 Subps. 1 and 2B), LGU has received proof of recording of restrictions (per MN Rule 8420.0115): County where recorded Date Document # assigned by recorder LGU official signature Date Minnesota Local/State/Federal Application Forms for Water/Wetland Projects Page 3 Site Locator Map W+E S PART 5: PROJECT DESCRIPTION DOGWOOD ROAD IMPROVEMENTS CITY PROJECT 06-06 WETLAND AL TERA TION PERMIT Dogwood Road is currently a rural section roadway with no curb and gutter. With the proposed improvements, Dogwood Road will be widened to a 26- foot or 31- foot wide urban section with barrier curb and gutter on both sides. The addition of barrier curb and gutter with storm sewer on Dogwood Road will create point discharges of runoff from the storm sewer at the north and south ends. The base bid ofthe project included a bid item for an environmental manhole to be installed at the southeast intersection of Tanadoona Drive and Dogwood Road. A bid alternate was included for the construction of a storm water pond on the northwest comer of Tanadoona Drive and Dogwood Road. The bid alternate requires excavation and fill within a wetland with a backhoe. The existing culvert under the Tanadoona/Dogwood intersection will be replaced with this project. If the storm water pond is constructed, a pond inlet structure will be installed on the southeast comer of the pond and a pond outlet structure will be installed on the northwest comer of the pond. The proposed storm water pond to be constructed is shown in the "Option 2" exhibit attached to this application. PART 6: PROJECT ALTERNATIVES DOGWOOD ROAD IMPROVEMENTS CITY PROJECT 06-06 WETLAND ALTERATION PERMIT No-BuildlEnvironmental Manhole Alternative F or the north portion of Dogwood Road, some type of storm water management is needed to 1) reduce the erosive forces of the stormwater discharging from the Dogwood Road storm sewer and 2) provide pretreatment and solids/nutrient removal from storm water before it is discharged into Lake Minnewashta. The addition of barrier curb prevents runoff from sheet flowing into the ditch, and increases the time of concentration which increases flows. In addition, as the proposed improvements will widen Dogwood Road, impervious area within the project boundary is increased, which indicates that some type of rate control should be exercised. The base bid for the project is an environmental manhole. To minimize cost and maintenance requirements for the City, the proposed environmental manhole would only function as a sediment removal device for particles as small as 125 microns in diameter. The negative to the selected environmental manhole is that it would not have the capability of removing smaller particles or nutrients from the runoff, and would not provide any type of rate control. Stormwater Pond To better manage flows from the new storm sewer system, a stormwater pond was proposed as a bid alternate. We originally explored the possibility of minimizing the pond surface area by designing a rounded pond (Option 1). While this pond shape would require a smaller permanent easement from the camp property owner, the impacts to the existing wetland were maximized by the pond grading because of the wetland location. Permanent impacts to the wetland with the Option 1 pond configuration are approximately 6,000 square feet. The Option 2 stormwater pond option keeps the pond as narrow as possible while still minimizing grading and impacts to the adjacent properties. While we explored the possibility of designing a pond to fit entirely outside of the existing wetland boundaries, there was no feasible way to grade a pond 1) with the volume needed for rate control, and 2) that would fit within the existing topography (we are constrained by hills to the north and east, a private property to the south and Lake Minnewashta to the west). The elongated option was the best design to meet the pond rate control requirements and to match the existing topography. With Option 2, the permanent impacts to the existing wetland are approximately 2,100 square feet. " , / / /)/ : "" " /// /1 ( , / I > I / .' / / I / l / () / WETLAND .IMPACT AREt(, I r.~ ":;tooo '/0: f ~ I ~ 1,:, f{ -, / . ~. / -f' I I'i( ,/ 1'-' de/ \ i \ lIt, <' \ ! I . t j/ ~(~\ I Il ( --~~ ", I ~.~ ';$- "" '\ I /0:L_-", j I ~~ A , i., \ I / (Tr - ~~5 L~/~--~~;r,:~; I;. l\ ---_1 G) \ //I-:J--~~~ I ,1\ 0'" ---- l?i ----~_',. " 0, ('-) - I 7301 ( i II II ;:1 /~ , /;:'~Tr-J~J, I , ~ / ~. \~-_I ! Ijl-'\r=--r =-ff / =- F~~' I ~" 1/ '\ \ ; ~; ? "~L~'~ '-"---;:..~_~~=-- _ ,I H _ r"'\ l...-. ~ " "----.-~' / / -......;., ',----. \ ........... ". ..........., ./ / \ \'. ----. "'- '----.:--. ----..----. - -,-:c_~._/:e:. ____,___,_ ' ./ "', \ I '-- " P\ \ ,~ ,,' "'. -Y '> " ,,_... ...., ", ',0 " '........ '-.., ------ ""~ '. "'" ~'... '--'_'_'on_ '",,~ ....., ", '-... ) ", .-...~. g; ~ m ! ~ !' ~ \ \ , / ) \ '\ ...................... \ , '\ """" '\ \ \ \ . Cl1Y OF ~ \ \ \ \ " , ._~--- .. " \ \ \ ~ , \ , \ \ \ \ t \ 0 " " ., ,...-- , HORIZONTAL <E'" SCo\LE '" ~=~ Kimley-Horn " and Associates, Inc, TEL.. NO. (6~') 64~-4Ul1 ~ 2550 UNl'<1:RSITY AVE. WEST. Sl,aTE .l45H FAX. NO. (6~') 64~-~11" ST. PAUL, ....NN[SOTA ~S1l4 STORM WATER POND .. OPTION 1 6,000 SQUARE FOOT WE1LAND IMPACT . --'-'- CITY OF CHANHASSEN DOGWOOD ROAD IMPROVEMENTS CITY PROJECT 06-06 " - ---- --- -- \ ~~ \ \. ---"'\\~" \ \ "" \ iii ]j ~ , " ~ ~ ~ ~ 8 ~ ~ ~ ~ ~ " ~ I!! " I< I!I ~ ~ i g 15 1: B (; '~'- , ~ '\ \ i " "\ \ \ \ , , , \ \ \ \ \ \ \ \ \ \ \ , , \ \\ '-, . CITY OF CHANHASSEN l o 10 20 ..0 r--_ , HORIZONTAL SC"lL IN FUT lII"""'1-n Kimley-Horn III......J _ U and Associates, Inc. 2550lJHI'v!RSlTYAvt:,IIo(ST.SUll!J45N ST PAlA. t.lINNESOT.l 551\4 rrL NO (651) 645-4197 fAA_ NO. (651) 64~5116 STORMW ATER POND. OPTION 2 2,100 SQUARE FOOT WE'ILAND IMPACT CITY OF CHANHASSEN DOGWOOD ROAD IMPROVEMENTS CITY PROJECT ()(H)6 -~ PART 9: PERMITS, REVIEWS OR APPROVALS REQUIRED DOGWOOD ROAD IMPROVEMENTS CITY PROJECT 06-06 WETLAND ALTERATION PERMIT The improvement project required approval from the Chanhassen City Council; approval was granted on June 25,2007. The project also requires an NPDES permit, which has been issued. The City of Chanhassen is the Local Government Unit for the Wetland Conservation Act and has a wetland protection ordinance. This application has also been submitted to the City for its review and approval. The Minnehaha Creek Watershed District does not have jurisdiction over the proposed project. The City of Chanhassen is not aware of any archeological or cultural resources within the project area. Instructions For Part II Complete those portions of Part II: Replacement Plan Supplement for which information is readily available (such as location, existing land use, size of impact area, etc.) A person certified in wetland delineation must determine items pertaining to specific wetland impacts (wetland type, predominant vegetation, watershed name, etc.) Contact the local soil and water conservation district (SWCD) office for further information on obtaining such items. What to Include on Plans Detailed overhead views of replacement site(s) (Part II), as well as profile view(s) of replacement site(s) (Part II), may be either hand drawn, computer generated or professionally prepared, as long as they contain all necessary information clearly, accurately, and in adequate detail. Please include specific dimensions whenever possible. You may also include photos, if you wish. Overhead views of Part II replacement site(s) should include the following items that pertain to your project: Property boundaries and/or lot dimensions. Location and extent of shoreline, wetlands and water. Location and dimensions of proposed project, structure or activity. Include length, width, elevation and other measurements as appropriate. Points of reference (such as existing homes, structures, docks or landscape features). Location of inlet and outlet structures. Indication of north. Location of spoil and disposal sites (if applicable). Areas of wetland and upland plants established. Profile views (side or cross-sectional views) should include the following items that pertain to your project: Location and dimensions of proposed project, structure or activity. Include elevation, depth, soil profile, side slope and other measurements as appropriate. Proposed water level elevation. Final Checklists Part II: Replacement Plan Supplement IZI Have you completed all of Part II (pages 3-5)? IZI Did you (or your agent) sign Section 19 on page 5? IZI Have you included the necessary attachments for Part II? Attachments must include: IZI If the project includes any wetland banking (complete or partial), include Application for Withdrawal of Wetland Credits Form (Section 14) D If the project includes any project-specific replacements (complete or partial), include: Description of Replacement Wetland(s) Construction (Section 15) Copy of vegetation management plan (Section 15) Scale drawing of overhead view or replacement wetland (Section 18) Scale drawing of profile view of replacement wetland (Section 18) Attachments may also include: D Additional description of Wetland Impact Charts (Section 11) (if additional space was needed) D Additional Description of Replacement Wetlands charts (Section 17) (if additional space was needed) D Additional soils information for created replacement wetland(s) (Section 18) (if available) Note: To deposit surplus wetland credits in the State Wetland Bank, submit a Wetland Banking Application directly to your LGU (Section 16). Preparing Your Application for Mailing IZI To apply for both state and Federal authorization, your application must include Part I (Page 1), the Federal application (Page 2), and attachments as indicated on Final Checklist for Part I (Instructions, Page 2). IZI Your application must also include Part II (Pages 3-5) and additional attachments as indicated on Final Checklist for Part II (above). IZI Make three copies of the entire application and all attachments. Keep the original, and mail the three copies to the appropriate local, state, and Federal agencies (see Instructions for Part I for addresses). Minnesota Local/State/Federal Application Forms for Water/Wetland Projects Instructions Page 3 PART II: REPLACEMENT PLAN SUPPLEMENT For assistance in completing Part II, contact your Local Government Unit or a professional consultant II. DESCRIPTION OF WETLAND IMPACTS: Complete the chart below: I) Use one row of boxes for each wetland impact; 2) If your project has more than one wetland impact, reference your overhead view (part of Section 5) to this chart by identitying and labeling "first impact" and "second impact" on your overhead view; 3) If you are identitying only one wetland type within a given wetland impact area, use the first dotted line and leave the others blank; 4) If you have chosen to identity more than one wetland type within a given wetland impact area, use the extra dotted lines to indicate each wetland type, and identity predominant vegetation and size of impacted area for each separate wetland type within that impact area; 5) If you do not have access to some of this information, can your LGU or SWCD office for assistance. (Photocopy chart for more impacts. if needed.) Wetland Watershed County, Wetland type 1 Predominant Size of area Existing land use in project impact (as name or Section, vegetation in impacted area (check all that apply) noted on number (if Township, impacted (in acres or overhead known) Range wetland area square view) feet) Minnehaha Carver, 8-116- Type 1 Box elder and 2,100sJ. [8] Housing Creek 23 woodland D Commercial First Watershed ~~----------------- _spJioP___________ ---------............- D Industrial impact [8] Parks/recreation areas D Highways and ------.......---------- ------------------ ---------..----- associated rights-of-way D Forested D Farmsteads/agricultural D Vacant lands n/a n/a n/a n/a n/a D Public and semi-public (schools/gov't facilities) Second D Airports -----------_....--..-- ------------------ ----.....-....-...--..... D Extractive (gravel impact pits/quarries) D Other: ------------------- ---_..__..-..-------- .......--....-..------ DESCRIPTION OF WETLAND IMPACTS IIfyou are identitying only one wetland type within a given wetland impact area, use the first dotted line and leave the others blank. If you have chosen to identity more than one wetland type within a given wetland impact area, use the extra dotted lines to indicate each separate wetland type, and identity predominant vegetation and size of impacted area for each separate wetland type with that impact area. TOTALS OF AREA(S) IMPACTED FOR EACH WETLAND TYPE ON CHART (indicate acres 0 or square feet 181) Type: 1:2.100 IL:_2:_ 3:_ 4:_ 5:_ 6:_ 7:_ 8:_ R:_ 12. SPECIAL CONSlDERA TIONS: Are you aware of any special considerations that apply to either the impact site(s) or the replacement site(s)? 0 Yes 181 No (Examples: the presence of endangered species, special fish and wildlife resources, sensitive surface waters, or waste disposal site.) If YES, list and describe briefly. 13. SHORE LAND IMPACT ZONE: Please identity each wetland impact site noted in Section 15 that is within 1000 feet ofa lake or 300 feet ofa river. Minnesota LocaVState/Federal Application Forms for Water/Wetland Projects Page 4 14. HOW PROPOSED REPLACEMENT WILL BE ACCOMPLISHED: Indicate how proposed replacement will be accomplished (check only one box below and continue as indicated): 181 A. Wetland banking only Complete Applicationfor Withdrawal of Wetland Credits Form and include with your application. Copies of this form are available from your LGU, or download a copy from www.bwsr.state.mn.us Skip to Section 19, page 6 (You do not need to complete Sections 15-18). o B. Project-specific replacement only Continue with Section 15 below. o C. A Combination of wetland banking and project-specific replacement Complete Applicationfor Withdrawal of Wetland Credits Form and include with your application. Copies ofthis form are available from your LGU, or download a copy from www.bwsr.state.mn.us Continue with Section 15 below. 15. DESCRIPTION OF REPLACEMENT WETLAND(S) CONSTRUCTION (Complete this section only if you marked Box B or Box C in Section 14 above): Describe in detail how replacement wetland(s) will be constructed. Ifseveral methods will be used, describe each method. Details should include the following: I) type of construction (such as excavated in upland, restored by tile break, restored by ditch block or revegetated); 2) type, size and specifications of outlet structures; 3) elevations relative to Mean Sea Level or established benchmarks or key features (such as sill, emergency overflow or structure height); 4) what best management practices will be implemented to prevent erosions or site degradation; 5) proposed timetable for starting and ending the project; and 6) a vegetation management plan. Write this description on a separate sheet of paper labeled DESCRIPTION OF REPLACEMENT WETLAND CONSTRUCTION. 16. SURPLUS WETLAND CREDITS: Ifusing project-specific replacement (Box B or Box C in Section 14 above), will the replacement result in any surplus wetland credits that you wish to have deposited in the State Wetland Bank for future use? 0 Yes 0 No. If yes, submit a Wetland Banking Application directly to your LGU. Copies are available from your LGU, or download a copy from www.bwsr.state.mn.us 17. DESCRIPTION OF REPLACEMENT WETLANDS: Complete the chart below: I) Use one row of boxes for each wetland replacement site; 2) If your project has more that one wetland replacement site, reference your overhead view (part of Section 5) to this chart by identifying and labeling "first replacement site" and "second replacement site" on your overhead view; 3) If you are identifying only one wetland type within a given replacement site, use the first dotted line(s) and leave the others blank; 4) If you have chosen to identify more than one wetland type in a given replacement site, use the extra dotted lines to indicate each separate wetland type, and identify type(s) of replacement credits and "restored or created" for each separate wetland type with that replacement site; 5) If you do not have access to some of the information, or if you do not know your replacement ratio, call your LGU or SWCD office for assistance. Photocopy chartfor more wetland replacements, ifneeded.) Identify Watershed County Section, Wetland Type(s) of replacement credits Restored Wetland name or Township, Type1 (in acres or square feet) or replacement number Range created? site (if known) New Wetland Public Value Indicate (as noted on Credits (NWC) Credits (PVC) RorC overhead view) Name of First ............-....---.. ..----.....---..--...--...----- ------........-...........-.............-..-- ...-----.....---..... replacement site ----------- ---........--------------- --....-.....----------------- --.....----........-- Name of Second .......................- -..------..------------- ----_....._....-..-...-..-...------ ..----..-----...... replacement site ..-..---......--.. .............-......--....-....-....-... --------------------........... ......................-...... ICircular 39 wetland types: Indicatel, IL, 2, 3, 4, 5, 6, 7, 8, R, or U. If you are identifying only one wetland type within a given wetland impact area, use the first TOTALNWC TOTALPVC dotted line and leave the others blank. If you have chosen to identify more than one wetland type within a given wetland impact area, use the extra dotted lines to indicate REQUIRED REPLACEMENT RATIO: each separate wetland type, and identify predominant vegetation and size of impacted (Ifknown) area for each separate wetland type within that impact area. DESCRIPTION OF REPLACEMENT WETLANDS Minnesota Local/State/Federal Application Forms for Water/Wetland Projects Page 5 18. ADDITIONAL INFORMATION REQUIRED FOR PROJECT-SPECIFIC REPLACEMENT (Required only if you marked Box B or Box C in Section 14): For projects involving at least some project-specific replacement, include the following additional infonnation: o Two drawings to scale of the replacement wetland. Include both overhead view and profile (side view or cross-sectional view). See What to Include on Plans (Instructions, Page 3) for a detailed description of what should be included in these drawings. Without drawings, your application will be considered incomplete. o For created replacement wetlands, include additional soils infonnation (if available) that indicates the capability of the site to produce and maintain wetland characteristics. Note 1: For replacement wetlands located on pipeline easements, you need to receive endorsement of your project from both the easement holder and the Minnesota Department of Public Safety's Office of Pipeline Safety. Before start of construction, the owner of any utilities must be notified. The landowner or contractor is responsible for giving this notice by calling "Gopher State One-Call" at 652~54-0002 (Twin Cities Metro Area) or 1-800-252-1166 (all other locations). Note 2: For extensive or complex projects supplementary infonnation may be requested at a later dated from one or more of the responding agencies. Such infonnation may include (but not be limited to) the following: topographic map, water table map, soil borings, depth soundings, aerial photographs, environmental assessment and/or engineering reports. 19. SIGNED AFFIRMATION: FOR PROJECTS INVOLVING REPLACEMENT BY WETLAND BANKING ONLY. To the best of my knowledge and belief, all infonnation in Part II is true, complete and accurate; and I affinn that the wetland losses will be replaced via withdrawal from an account in the State Wetland Bank. FOR PROJECTS INVOLVING EITHER PROJECT-SPECIFIC REPLACEMENT ONLY OR A COMBINATION OF WETLAND BANKING AND PROJECT-SPECIFIC REPLACEMENT: Part A: The replacement wetland. I affinn that the replacement wetland was not: Previously restored or created under a prior approved replacement plan or pennit; AND Drained or filled under an exemption during the previous 10 years; AND Restored with financial assistance from public conservation programs; AND Restored using private funds, other than landowner funds, unless the funds are paid back with interest to the individual or organization that funded the restoration; and the individual or organization notifies the local government unit in writing that the restored wetland may be considered for replacement. Part B: Additional assurances (check all that apply): o The wetland will be replaced before or concurrent with the actual draining or filling of a wetland. o An irrevocable bank letter of credit, perfonnance bond, or other acceptable security has been provided to guarantee successful completion of the wetland replacement. 181 The wetland losses will be replaced via withdrawal from an account in the State Wetland Bank. Part C. For projects involving any project-specific replacement: Within 30 days of either receiving approval of this application or beginning work on the project, I will record the Declaration of Restrictions and Covenants on the deed for the property on which the replacement wetland(s) will be located; and I will at the same time submit proof of such recording to the LGU. To the best of my knowledge and belief, all infonnation in Part II is true, complete and accurate; and I affinn all statements in Part A and C, as well as checked assurance(s) in Part B. ~'1~J~L SIgnature or applicant or agent p//oh1 . Date FOR LGU USE ONLY Replacement plan is (check one): 0 Approved DApproved with conditions (conditions attached) o Denied LGU official signature Date LGU has receive evidence of title and proof of recording of Declaration of Restrictions and Covenants for Replacement Wetland: County where recorded Date Document # assigned by recorder LGU official signature Date Minnesota Local/State/Federal Application Fonns for Water/Wetland Projects Page 6 I I I I I I I' I I' I 'I I I' I I I I I I <% - O~ Jt.. SEH WETLAND DELINEATION REPORT DOGWOOD ROAD POND TO: Ms. Lori Haak, City of Chanhassen FROM: Deric Deuschle DATE: April 20, 2007 RE: Wetland Delineation Report SEH No. A-CHANH0702.00 30.90 Introduction The purpose of this study was to investigate the project area, identify areas meeting the technical criteria for wetlands, delineate the jurisdictional extent of the wetland basins, and classify the wetland habitat. This wetland delineation is being completed to assess the suitability of the property for the placement of a storm water pond. This pond is required as part of the Dogwood Road reconstruction, but its placement and design may be affected if wetlands are present. Site Description The project area is located in the northwest corner of the intersection of Tanadoona Drive and Dogwood Road as shown in Figure 1. This is just southwest of the Girl Scout camp and Lake Minneswashta Regional Park and along the southwest shore of Lake Minnewashta. The size of the area investigated is approximately 1.5 acres, and is located within the City of Chanhassen in Carver County. The project area is within the SW ~ of the NE 1,4 of Section 8, township 116N, Range 23W. Land use in the area is a mixture of some residential lots along the west side of Dogwood Road, but most of the surrounding area is wooded with mature hardwoods and relatively steep topography. The property reviewed is also wooded, but with slightly younger trees than the surrounding hills. The property is slightly sloped toward Lake Minnewashta, and a small channel flows in that direction. The channel is fed from a larger wetland on the east side of Dogwood Road. Under most circumstances the channel is dry. The exception to this condition is in spring during snow melt and after large rain events. This drainage, and ones similar to it, are common in the City, and are almost always conveyance systems that lack the hydrology to be jurisdictional wetland. There are two areas that are a little flatter that the rest of the area. In these flatter areas, wetlands have been identified. Wetland Delineation Wetlands Definition Wetlands are defined jointly by the U.S. Army Corps of Engineers [US ACE (Federal Register, 1982)] and the U.S. Environmental Protection Agency [EPA (Federal Register, 1980)] as follows: "Those areas that are inundated or saturated by surface or ground water at a frequency Shorl Elliott Hendrickson Inc., 3535 Vadnais Center Drive, SI. Paul, MN 55110-5196 SEH is an equal opportunity employer I www.sehinc.com I 651.490.2000 I 800,325.2055 I 651.490.2150 fax I .1 I ,I I I I I I I I I I I I I I I I Dogwood Road Pond Wetland Delineation April 20, 2007 Page 2 and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas." According to US ACE, one positive indicator (except in certain situations) from each of three elements must be in order to make a positive wetland determination, which are as follows: · Greater than 50 percent dominance of hydrophytic plant species; . Presence of hydric soil; and . The area is either permanently or periodically inundated, or soil is saturated to the surface during the growing season of the dominant vegetation. Methodology Wetlands Survey The National Wetland Inventory (NWI), USGS Topographic Maps, Minnesota Department of Natural Resources Public Waters Inventory Map (PWI), Carver County Soil Survey, recent aerial photographs, the City Wetland Inventory, and Minnehaha Creek Wetland Inventory were reviewed to gather available data on potential wetlands in the project area. Of these sources, the only one that suggests wetland may be present is the soils survey, which includes a portion of the property as a hydric soil. Field Procedures The project site was examined on April 18, 2007 for areas meeting wetland criteria in accordance with the Corps of Engineers Wetlands Delineation Manual (USACE, 1987). The Routine Onsite Determination Method (RODM) was applied for this delineation. Wetland plant species nomenclature follows the "National List of Plant Species that Occur in Wetlands" (U.S. Department of the Interior, 1988). Identification was aided when necessary with field guides for the region. All dominant vegetation present was identifiable. Soils were observed for hydric soil characteristics. Soils were examined by digging pits at representative locations and periodically along the wetland boundary. Pits were dug to a depth necessary to confirm hydric soil characteristics, up to a maximum depth of 24 inches. Soil color determinations were made using MUNSELL Soil Color Charts (Kollmorgen Instruments Corporation, 1990). Subsurface wetland hydrology indicators were examined using the soil pits as deep as 24 inches to confirm soil saturation. Surface hydrology was also present and recorded as depth above surface. Wetland boundaries were located and marked with sequentially numbered, 3~-inch pink "Wetland Delineation" pin flags. The wetland edge is considered the highest extent of the I I 'I ,I I I I I I I: I I I i I I I I I Dogwood Road Pond Wetland Delineation April 20, 2007 Page 3 wetland basin; areas above the boundary fail to meet the three required wetland parameters while areas below the edge meet the wetland parameters required by the field delineation methodology. The location of the delineated wetland boundaries were mapped using a Geo XT Global Positioning System, and provided to the City in cadd and shapefile formats vie e-mail. Results The field delineations were completed on Apri116, 2007. Although early in the growing season, there was new growth of vegetation and no frozen soil layers. Temperatures were above normal, and precipitation was slightly below normal. Sufficient data was present to determine thwe wetland boundary. Two wetland areas divided by a small drainageway were identified on the property. Although separated by approximately 100 feet, these basins are similar enough to be described as one basin. The total area of wetland delineated is 0.19 acres. Vegetation in the wetland area is dominated by small box elder (Acer negundo) trees, a few elm (Ulmus americana), and a few shrubs including red osier dogwood (Comus stolonifera), and buckthorn (Rhamnus cathartica). The herb layer is dominated by reed canary grass (Phalaris arundinacea) in the eastern lobe and a large patch of woodland sedge (Carex pennsylvanica) in the south side. There are also some additional sedge species present, but could not be identified due to lack of fruit and topping by rabbits. One of the more common herbaceous species in the wetland was one of the avens (Geum sp.). More than just the basal leaves would be needed to make a positive identification to species. All of the avens are positive wetland indicators, so specific species are not particularly important in this instance, however. Upland vegetation is dominated by a mature hardwood forest composed of sugar maple (Acer saccharum) and a few bur oak (Quercus macrocarpa) trees. Basswood (Tilia americana) trees are also present. The herb layer in the upland is relatively sparse, but given the closed canopy is not surprising. On the hillslopes patches of trout lily (Erythronium spp.), Dutchman's breeches (Dicentra cucullaria), and bloodroot are appearing (Sanguinaria canadensis). Closer to the wetland edge, garlic mustard (Allaria petiolata) is common. At this early stage of development, the garlic mustard and avens are very similar in appearance, but garlic mustard has a distinct odor when crushed and can easily be identified. The upland area west of the basin is also wooded, but has a herbaceous layer that is a very dense stand of horsetail (Equisetum hymale). Horsetail is a positive wetland indicator, but is more indicative of shade than standing water. In this instance, the horsetail is also on a very sandy berm and is several feet in elevation above the wetland, so it is not a good indicator. No horsetail was observed within the wetland boundary. Soils in the wetland were composed of 6-8 inches of saturated clay loam atop at least another 18 inches of clay. The soil colors were dark brown (2.5Y 2.511) at the surface, and black (gley 2.5/N) below the top layer. Soils were saturated to the surface, and free water was observed at three inches from the surface. Soil pits were dug as far away from the channel as possible to avoid false hydrology and soils data. Soil pits dug closer to the channel did tend to be wetter, and had layers of sand that had eroded in, but were otherwise similar black clay and clay loam I I 'I ,I I I Ii I 'f I 1\ I, I I " I I I I Dogwood Road Pond Wetland Delineation April 20, 2007 Page 4 soils. This area is mapped as Hamel loam, which is a listed hydric soil. The soils observed on site are close to Hamel, and would- likely' qualify as meeting the soil survey description. Hydrology in the wetland was observed as saturation within 12 inches throughout the wetland and inundation in the channel. Many of the box elder trees in the basin also had some signs of buttressing, shallow roots, and possible water marks. Upland soils were similar in composition, but were higher in chroma. A typical upland sample near the wetland and base of the hills was composed of six inches of dark brown (1 OYR 2/2) loam atop at least another 18 inches of dark brown (lOYR 2/2) clay. Proceeding up the hill, the soils get even lighter. The west side of the basin lies adjacent to a berm that divides the basin from the lake. This berm is sandy, but it is unknown if it is natural. It appears to be a very large ice ridge, but is inconsistent with the rest of the lakeshore. If it is manmade, it is very old given the age of the trees growing on it. Although the soils were damp, no saturation, inundation, or secondary indicators were observed in the upland area. Wetland Classification Wetland classification follows the methods described in Wetlands and Deepwater Habitats of the United States (Cowardin, et aI., 1979) and the United States Fish and Wildlife Services National Wetland Inventory. The Circular 39 classification (Shaw and Fredine, 1956) is also provided, as that classification system is used in Minnesota, in part, to make distinctions of potential wetland permitting and mitigation requirements. Hydrology in the wetland is provided by surface flow, and is usually only during snow melt and rain events. It does not appear that a high groundwater table contributes to wetland hydrology. Because of this intermittent source and short duration, I am classifying this wetland as a Type 1 basin. This is a seasonally flooded flow-through wetland. Although portions are wooded, more than half of the wetland area is lacking trees. The canopy of the trees around the wetland certainly influences the vegetative composition, however. Using the Cowardin classification, this basin would be a PEMAd. Regulatory Considerations Wetlands in the project area are regulated by several agencies at the local, regional, state, and federal levels including the U. S. Army Corps of Engineers and the Environmental Protection Agency at the federal level and the City of Chanhassen and Minnehaha Creek Watershed District County at the local level. Additional review by the Board of Water and Soil Resources, Carver County SWCD, and the Minnesota Department of Natural Resources is also recommended. As the Local Government Unit administering the Wetland Conservation Act, the City of Chanhassen has the ability to review and approve the wetland delineation. It is suggested that outside agencies are invited to participate in this review or are provided with a Notice of Decision that they may respond to if they choose. The preliminary plans for this project indicate placement of a pond on this property. Preliminary design appears to impact approximately 1,500 square feet of wetland through both excavation I I, I' I 1 I I' I t t 1\ I I If I ,I I I I Dogwood Road Pond Wetland Delineation April 20, 2007 Page 5 _ and filling for the creation of berms. As this project is located in the shoreland wetland protection zone, this is above the de minimis. Consequently, mitigation may be required if the pond design isn't changed to reduce impacts. Total impacts of less than 400 square feet would be required to avoid compensatory mitigation. Consultation with the pond designers may identify alternative designs that would achieve this goal. Consultation with the u.s. Army Corps . of Engineers is also suggested. Please contact me at 651-490-2114 or at ddeuschle@sehinc.com if I can provide more information or be of further assistance. s:\ac\c"=hanh~mroon'dogwood files\dogwood wet delin repon.doc ~ SEH Wetland Delineation Results on 2006 Aerial Photograph Wetland Delineation A-CHANH0702.00 Figure 4