A. Utility Rate Update
CITY OF
CHANHASSEN
7700 Market Boulevard
PO Box 147
Chanhasserl, M~J 55317
Administration
P~lone 952 227 1100
Fax 952 227 1110
Building Inspections
Pr10ne 952 227 1180
Fax 952 227 1190
Engineering
Phone 952 227 1160
Fax 952 227 1170
Finance
Phone 952 227 1140
Fax 9522271110
Park & Recreation
Phone 952 227 1120
Fax 952 227 1110
RecreatlOiI Center
2310 Coulter Boulevard
Phone 952 227 1400
Fax 9522271404
Planning &
Natural Resources
Phone 952 227 1130
Fax 952 227 1110
Public Works
1591 Park Road
Phone 952 227 1300
Fax 952227 1310
Senior Center
Phone 952 227 1125
Fax 952 227 1110
Web Site
www CI c~lanhassen mn us
A
~~.
MEMORANDUM
TO:
Mayor and City Council
FROM:
Greg Sticha, Finance Director (7
DA TE:
O\':~,y.
.. ,)
November 27,2006
SUBJ:
Utility Rate Study
BACKGROUND
On an annual basis, Ehlers & Associates, the city's financial advisors, study our
current utility fees and future projects to determine if these charges are
appropriate for planned expansion, reconstruction, and maintenance of our
water, sanitary sewer, and storm water systems.
Jessica Cook from Ehlers and Associates will be presenting the results of their
study at Monday night's work session. In addition, staff is including a
spreadsheet analysis of the current rate structure based on this year's rate study
compared to last year's rate study.
RECOMMENDA TION
Staff recommends that council follow the proposed rate increases as
recommended by our financial advisors in the following attachments. Staff will
be coming back to Council in December with rate increase ordinances to
become effecti ve January 1, 2007.
ATTACHMENTS
1. Spreadsheet comparing 2005 rate study versus 2006 rate study.
2. Executive Summary of Water & Sewer rates.
3. Executive Summary of Storm Water rates.
The City of Chanhassen' A growing community with clean lakes quality scrlools, a charming downtown, thrlvlilQ buslrlesses, winding trails and beautiful parks A great place to live, work, arid play
F\GregS\Rate Study\Utihty Study memoll-06.doc
Type
Water user
Water connection
Sewer User
Sewer Connection
Storm fee
Storm water Qual
Storm water Qty
I ncrease needed for 2007 Rates
2005 Rate Study 2006 rate Study
8.000/0 8.000/0
5.000/0 10.000/0
5.000/0 5.500/0
8.000/0 6.000/0
4.000/0 4.000/0
20.000/0 20.000/0
5.000/0 7.000/0
Increase needed for 2008 Beyond Rates
2005 Rate Study 2006 rate Study
5.000/0 5.500/0
5.000/0 7.000/0
5.000/0 5.500/0
0.000/0 6.000/0
4.000/0 4.000/0
20.000/0 20.000/0
5.000/0 7.000/0
8
EHLERS
& ASSOCIATES INC
o
:E
1&1
:E
To: Honorable Mayor and Council members
From: Jessica Cook and Mark Ruff
Subject: Updated Water and Sewer Rate Study
Date: November 20, 2006
The City has requested that Ehlers & Associates update the water and sewer rate study as
part of planning for the City's new water treatment system and capital improvement plan.
The 2006 update incorporates the City engineer's estimate of future capital improvements
for the water utility system through 2020 and estimates about the pace of development.
The initial water rate study was completed in 2003 in anticipation of financing and
constructing the east water treatment plant. The study has been updated each year to
account for changes in capital costs, and development patterns. This year the analysis of
the sanitary sewer fund also reflects the negotiated agreement with the Met Council to
remediate inflow and infiltration.
Assumptions and User Fees
Following is a chart that summarizes the significant assumptions in the update.
Water Utili
Sanitar Sewer Utili
Growth
The amount of residential
development has been scaled back
by 1,300 units to reflect the slowing
real estate market.
Residential- 2,300 new units
through 2018; 50 units per year
thereafter
Commercial - 4 new customers per
year through 2011, 2 new customers
per year 2012-2013, and none
thereafter.
Same growth assumptions as water
fund.
J.
3060 Centre Pointe Drive
Roseville, MN 55113-1105
(651) 697-8546 Fax: (651) 697-8555
jcook@ehlers-inc.com
http://www.ehlers-inc.com
Water Utility Sanitary Sewer Utility
Water Treatment plants are anticipated to Not Applicable
Treatment be completed in 2006 and 2014.
Plant Estimated cost for Plant II -
$11,000,000 in today's dollars.
Other Capital Averages $1,245,000 per year for Averages almost $690,000 per year
Improvements water trunk lines, wells, water in today's dollars.
towers, new and replaced water Includes $700,000 for public works
main, painting water towers, etc. facility in 2008, a $1.5 million lift
Costs are inflated 50/0 annually station in 2010, and improvements to
reduce inflow and infiltration
required by the Met Council.
Costs are inflated 50/0 annually
Allocation of Both treatment plants will serve Capital improvements needed to
Capital existing and future users. The serve new development, including
Expenses capital cost of each plant is split: an expanded public works facility
Between Plant I - 65% hook-up fees and a new lift station, are paid by
Current and 350/0 user charges hook-up fees.
Future Users Plant II - 20% hook-up fees Replacement and maintenance of the
80% user charges existing system is paid by user
charges.
The other capital improvements are
paid by hook-up fees if they are
needed to expand the system to
serve new development.
Operating Expenses increase 31 % in 2007 to City expenses increase 3% annually.
Expenses operate the new treatment plant, and MCES Fees increase 6% annually,
3% annually thereafter. and constitute almost 75% of total
Expenses increase $250,000 in sewer operating costs.
2014 to operate the west treatment
plant.
Cash Balances The trunk fund should accumulate a The trunk fund should accumulate a
cash balance prior to 2014 to pay cash balance prior to 2018, when
for the proposed water tower, new infrastructure is anticipated.
treatment plant, and new wells. The minimum recommended
The minimum recommended cash operating cash balance is equal to six
balance in the operating fund is months of annual operating expense.
$4,000,000 Cash balances are In 2016, that is expected to be
available to accommodate $2,000,000.
fluctuations in revenue depending
on the weather, and to fund capital
improvements.
See Exhibits C and D See Exhibits E and F J,
3060 Centre Pointe Drive
Roseville, MN 55113-1105
(651) 697-8546 Fax: (651) 697-8555
jcook@ehlers-inc.com
http://www.ehlers-inc.com
Funding
Replacement
Reserves
User Rates and
Monthly Bill
(for an average
family that uses
9,000 gallons per
month)
Hook-up Fees
3060 Centre Pointe Drive
Roseville, MN 55113-1105
Water Utility
The recommended minimum cash
balances fund an operating reserve
equal to 6 months of operating
expense plus 15% of depreciation.
Ideally, a City would fully fund
depreciation in its utility funds.
However, when a City is growing
and investing in new infrastructure
it can be cost prohibitive to
customers to simultaneous build the
system and fund its replacement.
Year % Increase A VI!. Bill
Actllals:
2005 5.5%
2006 7.0%
Proposed:
2007 8.0%
2008 5.5%
2009 5.5%
2010 5.5%
2011 5.5%
2012 5.5%
2013 5.50/0
2014 5.5%
$13.66
$14.61
$15.78
$16.65
$17.57
$18.53
$19.55
$20.63
$21.76
$22.96
The proposed 2007 rate increase is
the same as was projected last year.
10% increase in hook -up fee in
2006. Annual increases 7%
thereafter.
I
Sanitary Sewer Utility
The recommended minimum cash
balances fund an operating reserve,
but do not fund depreciation.
In the past, the City Council has
decided that it will finance the
replacement of major utility systems
when they become necessary.
Year % In crease A VI!. Bill
Actllals:
2005 5.0%
2006 8.0%
Proposed:
2007 5.5%
2008 5.5%
2009 5.5%
2010 5.5%
2011 5.5%
2012 5.5%
2013 5.5%
2014 5.50/0
$18.14
$18.61
$19.63
$20.71
$21.85
$23.05
$24.32
$25.66
$27.07
$28.65
The sewer fund has been operating at
a loss. The proposed rate increases
will get operations "in the black" by
2009. The proposed 2007 rate
increase is the same as was projected
last year.
8% increase in 2006. Annual
increases 6% thereafter.
J.
(651) 697-8546 Fax: (651) 697-8555
jcook@ehlers-inc.com
http://www.ehlers-inc.com
Utility customers typically regard their fee increases for water and sewer in total. The
attached Exhibit A shows the projected combined increase in utility fees and hook-up
fees charges needed to maintain minimum cash balances.
Hook-up fees are paid at the time a builder or homeowner pulls a building permit.
Attached is a chart (Exhibit B) that shows Chanhassen's water and sanitary sewer hook-
up fees as compared to other developing cities.
Findings
The recommended connection fees for 2007 are higher than previously anticipated for
three reasons:
1) Capital costs have increased for the sewer system, with the expectation of a new
lift station in 2010 and the negotiated 1&1 settlement with the Metropolitan
Council.
2) The cost of water main replacement between 2007 and 2011 is higher than
previous proj ections.
3) Most significantly, a slow-down in the housing market has caused the planning
staff to reduce the total number of new units by 1,300 over the next 15 years.
However, planning staff does not anticipate a decline in the acres that will be
platted. We expect that developers will continue to plat property, requiring the
City to install infrastructure to serve it, but the pace of development will slow and
the development will be less dense than previously anticipated, with more single
family homes and less attached units. While capital improvements have been
postponed to reflect the slowed development, the cost of the west treatment plant
and wells remains the same, regardless of the anticipated reduction in total units.
As a result of slower growth, the cash balance for the water connection fund (Exhibit D)
is expected to be depleted after 2022, and the water operating fund is expected to run
annual deficits beginning in 2016, when operating expenses for the second treatment
plant begin. Since the real estate market is likely to recover, we are not recommending
higher rate increases in 2007 to deal with these future deficits. However, future rate
increases may need to be higher than currently proj ected if the real estate market remains
depressed.
Recommendation #1: Continue to update the rate study every 2-3 years to monitor
trends and adj ust rates accordingly. As mentioned above, if growth continues to slow,
capi tal improvements may need to be deferred or future rate increases may need to be
higher than proj ected in this study.
Recommendation #2: Consider implementing an area charge for the water and sewer
trunk systems. The area charges are collected at the time of platting, and are charged on
the basis of acreage, rather than units. By spreading the infrastructure cost between area
charges and hook-up fees, the City is buffered from declines in the marketplace.
J.
3060 Centre Pointe Drive
Roseville, MN 55113-1105
(651) 697-8546 Fax: (651) 697-8555
jcook@ehlers-inc.com
http://www.ehlers-inc.com
Exhibit A
City of Chanhassen
Projected Water and Sewer Bills
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Averaael Quarterlv Residential Bill
Assumes quarterly use of 27,000 gallons water and 18,000 gallons sewer
Sewer 4680 4914 51 60 5572 5879 6202 6543 6903 72 83 7684 81 06 8552 9022 9519
Water 3550 3904 4099 4384 4735 4996 5270 5560 5866 6189 6529 6888 7267 7667
Tom I 82.30 88.18 92.59 99.57 106.14 111.98 118.14 124.63 131.49 138.n 146.35 154.40 162.89 171.85
Combined Fee Increase 7.1% 5.0% 7.5% 6.6% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5%
Sanmle Bill for Lower Water User
Assumes quarterly use of 12,000 gallons water and 9,000 gallons sewer
Sewer 2340 2457 2580 2786 2939 31 01 3272 3452 3642 3842 4053 4276 4511 4759
Water 1560 1704 1788 1913 2066 21 80 2300 2426 2560 2700 2849 3006 31 71 33.45
Tom I 39.00 41.61 43.68 46.99 50.06 52.81 55.71 58.78 62.01 65.42 69.02 72.82 76.82 81.05
Combined Fee Increase 6.7% 5.0% 7.6% 6.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5% 5.5%
Hook-UD Fees Per Unit
Met Council SAC Fee 1,275 1,350 1 ,450 1,550 1,650 1,750 1,850 1,950 2,050 2,150 2,250 2,350 2,450 2,550
City Sewer Hook-up Fee 1 ,458 1 ,458 1,458 1,575 1,669 1,769 1,875 1,988 2,107 2,234 2,368 2,510 2,660 2,820
City Water Hook-up Fee 1,876 2,814 2,955 4,077 4,485 4,799 5,135 5,495 5,879 6,291 6,731 7,202 7,7 06 8,246
Toml 4,609 5,622 5,863 7,202 7,804 8,318 8,861 9,433 10,036 10,674 11,349 12,062 12,817 13,616
Pen:ent Increase 22.0% 4.3% 22.8% 8A% 6.6% 6.5% 6.5% 6A% 6A% 6.3% 6.3% 6.3% 6.2%
Total Water and Sewer Cash Balances 11,002,705 9,309,412 10,252,705 9,571,509 8,945,764 10,309,533 11,750,724 12,562,832 13,246,689 13,742,664 13,170,772
Exhibit B
Fee Comparison for Single Family Lot
Water and Sanitary Sewer Utility Infrastructure Fees
Assumes development density of 3 units per developable acre
Sewer Water
Connection Connection Area Charge Area Charge TOTAL
City Fees Fees Water Main San. Sewer
Andover 777 2,754 826 460 4,816
2006 to to
1,224 5,263
Carver 2,553 3,808 none none 6,361
2006 ($1,550 deducted to be
equivalent to cities in
MCES system.)
Chanhassen
2006 1,575 4,077 none none 5,652
Proposed
Chanhassen 1,669 4,485 6,154
2007
Chaska 253 3,179 522 334 4,288
2006
Farmington 2,420 2,140 1,900-3,100 1 ,930 5,836 - 6,236
2006 depending on area
Inver Grove
Heights 2,415 2,275 3,000 3,000 6,690
2006
Medina 1,687 3,938 none none 5,625
2006
Proposed 1,771 4,689 none none 6,460
Medina (assumes 50/0
2007 increase)
Depends on District Depends on District 4,984
Savage 1,687 2,250 1,047-1,673 993 - 1,490 to
2006 5,427
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8
EHLERS
& ASSOCIATES INC
o
:IE
1&1
:IE
To: Honorable Mayor and Councilmembers
From: Jessica Cook and Mark Ruff
Subject: Storm Water Rate Study
Date: November 20, 2006
The City has requested that Ehlers & Associates update the storm water rate study
completed in 2005. The study update accomplishes the following goals:
1. Establishes target levels for cash balances in the storm water fund.
2. Makes recommendations for storm water utility rates and development fees to
ensure adequate revenue to pay for constructing, improving, and maintaining the
storm water system, including the surface water management plan.
3. Compares Chanhassen's fee structures with other developing cities.
Back!!round
There are three components to the City's storm water system and fee structure:
The storm water utility fee is a quarterly fee intended to pay for the maintenance of the
storm water system once it has been constructed. The fee was increased by 50% in 2006
after not being increased for several years prior to that. The 2006 rate increase still kept
the quarterly rate competitive with comparable communities.
The water quality fee and water quantity fees are area charges assessed against
developable acreage at the time the land is platted. These fees can be thought of as the
"ponding" and "piping" fees. The water quality fee ("ponding") pays for land and
installation costs for storm water ponding. A developer who ponds on-site is given a
credit equal to 50% of the fee. The water quantity fee ("piping") pays for the storm water
pipes and outlets. Developers receive a credit if they already have an outlet structure on
the property. Both water quality and quantity fee have been increased based on the
construction price index, and are calculated based on the run-off generated by the
development use.
J.
3060 Centre Pointe Drive
Roseville, MN 55113-1105
(651) 697-8546 Fax: (651) 697-8555
jcook@ehlers-inc.com
http://www.ehlers-inc.com
Assumotions
Below is a chart that summarizes the significant assumptions used in the study.
Growth The amount of residential development has been scaled back by 1,300
units to reflect the slowing real estate market.
Residential- 2,300 new units through 2018; 50 units per year thereafter
Commercial - 4 new customers per year through 2011, 2 new customers
per year 2012-2013, and none thereafter.
Same growth assumptions as used for water and sanitary sewer studies.
Capital The study used the City's capital improvement plan for 2007-2011,
Improvements including $200,000 for the public facility expansion in 2008 and $700,000
for Lyman Boulevard improvements in 2009.
Beginning in 2012, improvements average $872,000 per year (in today's
dollars) for SWMP implementation, land acquisition, and street
improvement projects.
Costs are inflated 50/0 annually, including land acquisition.
Operating Expenses increase 3% annually.
Expenses
Cash Balances The purpose of the cash balance is to allow the City to fund improvements
on a "pay-as-you-go" basis, reserving the use of debt for major
improvements. The current cash balance is approximately $4 million.
The minimum recommended cash balance is $2,000,000.
See Exhibit B.
Findin!!s
Exhibit A is a chart that shows the projected rate increases. The projected 2006 increase
for Chanhassen's stormwater utility would raise the fee 4% from $7.50 to $7.80 per
quarter.
The 2006 North Central Utility Rate Survey indicates that the quarterly fees for the metro
area suburbs range from $3.00 in Eden Prairie to $18.00 in Prior Lake, and the median
quarterly fee is $10.50.
Water Quality and Quantity Fees are projected to increase 20% and 7% respectively in
2007. Keep in mind that most developers only experience half of the rate increase for the
water quality fee because of the credit for on-site ponding. Therefore, the estimated
combined 2007 increase for a given developer will be 9.8% after ponding credits are
applied.
J.
3060 Centre Pointe Drive
Roseville, MN 55113-1105
(651) 697-8546 Fax: (651) 697-8555
jcook@ehlers-inc.com
http://www.ehlers-inc.com
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