Sustainable Storm Water Funding Task Force — Portland, ME
Date: 2011-05-17

MEMORANDUM
To: Sustainable Storm Water Funding Task Force

From: Ian Houseal, Sustainability Coordinator

Date: May 17, 2011

Storm Water Funding – Cost of Service and Implications



Please see the attached material in preparation for the May Sustainable Storm Water Funding Task
Force Meeting:

 1. Presentation of Costs;

 2. Copy of the Sewer Use Charges Ordinance;

 3. Backlog Study
 a. DIMS Study;
 b. DIMS Study Appendix;

 4. Case Studies
 a. Black and Veatch Storm Water Funding Survey, 2010
 b. Master Candidate Student’s Municipal Financing Survey

The above mentioned material is available on the Sustainable Storm Water Funding Task Force web
page at www.portlandmaine.gov/sustainablestormwaterfunding.htm. Copies of the presentation will
be provided at the meeting.
 Attachment 1:

Presentation of Costs
 4/19/2011




 STORM WATER FUNDING:
CURRENT ORGANIZATIONAL STRUCTURE
 COST OF SERVICE
 IMPLICATIONS



 SUSTAINABLE STORM WATER FUNDING TASK FORCE


 1
 4/19/2011




 Presentation Outline

• Review of Sewer Use Charges Ordinance

• Sewer Volumes and Sewer Rate

• Sewer Fund Total Actual Expenses (Historical FY 2001- FY 2010)

• Annualized Capital Renewal Costs

• Backlog Costs

• Sewer and Storm Water Operating Costs

• Sewer Fund Expense Implications

• Sewer Rate Implications

• Case Studies




 2
 4/19/2011




 Review of Current Organizational Structure

Article IV: Sewer Use Charges
• To defray the current expenses of operating and maintaining the wastewater system, including
 any assessment made by the Portland Water District;
• To pay the interest and repay the principal on any outstanding or future indebtedness of the city
 for construction of sewers heretofore or hereafter constructed within the city;
• To reimburse the city for the cost of computation, billing and enforcement of such charges.


Sewer Fund Revenue
• Sewer Use Charges
• Industrial Surcharge
• Fees for Service (e.g. permits)
 <




 3
 4/19/2011




Sewer Fund Expenses




 4
 4/19/2011




Sewer Rate per Sewer Volume




 5
 4/19/2011




 Estimated Annualized Capital Renewal

CAPITAL RENEWAL 75 YR ESTIMATED USEFUL LIFE (EUL)
Combined Sewer
 Combined Sewer Line $1,500,000
Total Combined Sewer $1,500,000

Sewer
 Separated Sewer Line $720,000
 Sewer Manholes $325,000
 Pump Stations (30 YRS) $150,000
Total Sewer $1,195,000

Storm Water
 Storm Drain Line $1,500,000
 Catch Basins $310,000
 Outfalls $23,000
 Storm Manholes $140,000
 Detention Ponds Unknown
Total Storm Water $1,973,000

GRAND TOTAL $4,668,000




 6
 4/19/2011




 Backlog

 BACKLOG Minimal Low Middle Fair
 Combined Sewer 21% of Total 49% of Total 68%% of Total 44% of Total
 Combined Sewer $1,203,000 $10,300,000 $39,000,000 $41,715,000
 Total Combined Sewer $1,203,000 $10,300,000 $39,000,000 $41,715,000

 Sewer 53% of Total 14% of Total 11% of Total 7% of Total
 Separated Sewer $2,900,000 $2,900,000 $6,300,000 $6,300,000
 Sewer Manholes Unknown Unknown Unknown Unknown
 Pump Stations $75,000 $75,000 $130,000 $130,000
 Total Sewer $2,975,000 $2,975,000 $6,430,000 $6,430,000

 Storm Water 25% of Total 36% of Total 20% of Total 49% of Total
 Storm Drain Line $1,196,000 $5,500,000 $9,500,000 $40,657,000
 Catch Basins $80,000 $1,639,000 $1,639,000 $3,716,000
 Outfalls $18,000 $190,000 $190,000 $577,000
 Storm Manholes $132,000 $264,000 $264,000 $779,000
 Detention Ponds Unknown Unknown Unknown Unknown
 Total Storm Water $1,426,000 $7,593,000 $11,593,000 $45,729,000

 GRAND TOTAL $5,604,000 $20,868,000 $57,023,000 $93,874,000

- Minimal –Very Poor DIMS categories, supplemented by > 100 year Needs Assessment categories. - Middle – > 75 year Needs Assessment categories supplemented by Very Poor and Poor DIMS categories.
- Low – > 100 year Needs Assessment categories supplemented by Very Poor and Poor DIMS categories. - Fair –Very Poor, Poor and Fair DIMS categories supplemented by > 75 year Needs Assessment categories.




 7
 4/19/2011




 Storm Water Operation Expenses

Sewer Fund Operation Expenses
APPROXIMATE TOTAL FUTURE SEWER FUND OPERATION EXPENSES $5,000,000

Storm Water Operating Expenses Estimated Storm Water Estimated Additional
 Operating Expenses in the Storm Water Expenses
 Sewer Fund Needed for a Segregated
 Storm Water Fund
Street Sweeping $525,000 $95,000
Catch Basins (Every Other Year) $260,000
Public Education and Outreach $50,000
Inspection and Enforcement $120,000
Long Creek General Permit $60,000
Engineering $240,000 $180,000
GIS Mapping and Application $125,000
Administration and Finance $100,000
TOTAL STORM WATER OPERATIONS $1,135,000 $620,000




 8
 4/19/2011




Implications of the CSO Tier II and Tier III




 Combined Sewer Overflow Abatement
 Tier II (2010 – 2013) $31,000,000
 Tier III (2014 – 2040) $169,000,000




 9
 4/19/2011




Implications of Low Capital Renewal and Backlog




 Assumptions
 - Capital Investment Estimated Costs
 includes Combined Sewer, Storm
 Water, and Sewer Totals
 - Capital Renewal includes >75 YRS Capital
 Renewal
 - Remedial Maintenance includes Low
 Backlog Investment
 - Backlog Construction Estimated as equal
 for 30 years.
 - Debt Calculated as 5.5% GO Bonds – 20 yr
 amortization
 - City Operation Costs held Constant




 10
 4/19/2011




Implications of Middle Capital Renewal and Backlog




 Assumptions
 - Capital Investment Estimated Costs
 includes Combined Sewer, Storm
 Water, and Sewer Totals
 - Capital Renewal includes >75 YRS Capital
 Renewal
 - Remedial Maintenance includes Middle
 Backlog Investment
 - Backlog Construction Estimated as equal
 for 30 years.
 - Debt Calculated as 5.5% GO Bonds – 20 yr
 amortization
 - City Operation Costs held Constant




 11
 4/19/2011




Implications of Estimated Storm Water Operations




 Assumptions
 - Capital Investment Estimated Costs
 includes Combined Sewer, Storm
 Water, and Sewer Totals
 - Capital Renewal includes >75 YRS Capital
 Renewal
 - Remedial Maintenance includes Middle
 Backlog Investment
 - Backlog Construction Estimated as equal
 for 30 years.
 - Debt Calculated as 5.5% GO Bonds – 20 yr
 amortization
 - City Operation Costs held Constant




 12
 4/19/2011




Implications of Capital Renewal and Backlog




 Assumptions
 - 1% per year annual sewer volume
 increase from FY 2010
 (2,057,236 HCF)




 13
 4/19/2011




 Storm Water Funding Case Studies

Case Studies
• Black & Veatch Storm Water Utility Survey, 2010
• Master Candidate Student’s Municipal Financing Survey




 14
 Attachment 2:

Sewer Use Charges Ordinance
ARTICLE IV. SEWER USE CHARGES

Sec. 24-71. Definitions.

Unless the context specifically provides otherwise, the meanings
of terms used in this article shall be as follows:

Commercial unit shall mean any structure or portion of a
structure from which wastewater or industrial waste is
discharged, excepting only dwelling units as defined hereinafter
and shall include industrial users. Commercial units owned by
different entities within the same structure and sharing the
same water meter shall be treated as one (1) commercial unit.

Dwelling unit shall mean one (1) or more rooms occupied or
designed to be occupied by one (1) or more natural persons as a
single housekeeping unit with sanitary facilities, other than a
place of public accommodation as defined hereinafter,
discharging only domestic wastewater and shall include each unit
of ownership in any condominium. If the occupant or occupants of
rooms fit the definition of a dwelling unit except for the fact
that the occupants share sanitary facilities with an occupant or
occupants of other rooms located within the same structure, the
number of units in the structure shall be deemed to be the total
number of toilets or urinals located within such structure.

Parcel of land shall mean any area of land shown on the
assessor's maps on the April first last preceding the operative
date, located within the city, which is either connected in fact
to a sewer within the city, or developed-but-unconnected to a
sewer within the city, which sewer is nevertheless accessible to
the area within the meaning of section 24-36. [Connection to
public sewer required]

Place of public accommodation shall mean any establishment
having sanitary facilities located therein which gives or offers
shelter or lodging to members of the general public, whether
transient or long term and shall include but is not limited to
hotels, motels, guest houses, hospitals, rest homes, nursing
homes, inns, fraternity houses and dormitories.

Treatment facilities shall mean all wastewater treatment plants
owned and operated by the Portland Water District or by the
city.
Total organic carbon or TOC shall mean the determination of
organic matter present by the measurement of carbon dioxide
produced by pyrolysis measured in accordance with 40 CFR Part
136.

Volume of water shall mean the amount of water, estimated or
measured, whichever is less, provided to the property by the
Portland Water District during the previous period of the
calendar year. This term shall include any amounts of water
obtained from other sources whether or not water is also
provided by the district.

Sec. 24-72. Sewer user charges.

(a) Applicability. There are levied upon all parcels of land
charges for cost of treatment of wastewater and for the
operation and maintenance of the wastewater system.

(b) Billing. Bills for all charges under this article may be
sent to the record owner, or to the person requesting water
service. Bills shall be sent to each such owner or person every
month, except that persons billed quarterly or seasonally by the
Portland Water District for water service may be billed
quarterly or seasonally for all charges under this article. All
payments shall be credited against the oldest outstanding bill
sent to such owner or person. Any payments made to the Portland
Water District or its agents, which do not indicate to which
account they are to be applied, shall be applied as provided by
contract between the city and the Portland Water District.
Bills shall contain an amount for sewer user charges, and if
delinquent as provided in section 1-16 of this Code, shall
include charges for interest to be computed in the same manner
as provided for real estate taxes.

(c) Computation. The user charges shall be computed in
accordance with the following schedule, as from time to time
amended, which shall be sufficient to meet costs of the eligible
purposes for which such charges may be used. User charges under
this section for both dwelling units and commercial units billed
for water used after July 1, 2010, the foregoing rate shall be
seven dollars and eighty-seven cents ($7.87) per hundred cubic
feet of volume for connected parcels of land. The user charge
for developed but unconnected parcels of land shall be one
dollar and seventy-one cents ($1.71) per hundred cubic feet of
volume. Each metered billing unit shall have a minimum charge of
at least one hundred (100) cubic feet per month.
(d) Purposes for which charges may be used. Charges and
assessments made under this article shall be used consistently
with 33 U.S.C.A. § 1281 et seq., and applicable federal
regulations for the following purposes:

(1) To defray the current expenses of operating and maintaining
the wastewater system, including any assessment made by the
Portland Water District;

(2) To pay the interest and repay the principal on any
outstanding or future indebtedness of the city for construction
of sewers heretofore or hereafter constructed within the city;

(3) To reimburse the city for the cost of computation, billing
and enforcement of such charges.

(e) Collection. Charges assessed pursuant to this section shall
be enforceable pursuant to section 1-16 of this Code.

(f) Disconnection for nonpayment of charges. The Portland Water
District shall disconnect sewer users with unpaid sewer use
charges according to the same terms and procedures used to
disconnect water users with unpaid water use charges.

Sec. 24-73. Industrial surcharges.

(a) Applicability. Each industrial user except those included in
the Westbrook Inter-Municipal Sewer Service Agreement Area,
shall be subject to surcharges in addition to any other
treatment charge if the wastewater discharged by such user is
determined by the public works authority, in accordance with 40
CFR Part 136, to exceed any of the following concentrations:

(1) BOD of two hundred fifty (250) mg/l; or COD, where indicated
for specific wastewater and a correlation between BOD and COD is
established in such wastewater; or TOC, where indicated for
specific wastewater and a correlation is established between TOC
and BOD in such wastewater;

(2) TSS content of three hundred (300) mg/l.

(b) Computation of surcharge for BOD. The surcharge for BOD
shall reflect the cost of removing the excess BOD and shall be
computed in accordance with the following formula:
 Surcharge for BOD = (C1 - 250 mg.l) x Q x 8.34 x S1
 Where C1 = The concentration of BOD in mg/l
 Q = The total volume of wastewater contributed during
 the billing period, in millions of gallons

 8.34 = Conversion factor of gallons to pounds

 S1 = $0.1633 for each pound of BOD in dollars

(c) Computation of surcharge for TSS. The surcharge for TSS
shall reflect the cost of removing the excess TSS and shall be
computed in accordance with the following formula:

 Surcharge for TSS = (C2 - 300 mg/l) x Q x 8.34 x S2

 Where C2 = The concentration of TSS in mg/l

 Q = Total volume of wastewater contributed during the
 billing period, in millions of gallons

 8.34 = Conversion factor of gallons to pounds

 S2 = $0.0817 for each pound of TSS in dollars

(d) Westbrook Inter-Municipal Sewer Service Agreement area may
be surcharged for BOD and TSS, based on the cost of treatment at
the Westbrook Gorham Regional Treatment Plant.

(e) Industrial surcharge fee. An industrial surcharge fee is
hereby established for all permitted discharges from all
permitted users at a rate of $0.0857 per hundred cubic feet of
volume, provided that the city council may, from time to time,
by order, readjust the surcharge fee according to the then
prevailing cost of administering the industrial pretreatment
program and the anticipated number of permitted users and
anticipated volume to be surcharged.

(f) Appeals. Any person aggrieved by a determination of the
public works authority made pursuant to this section may appeal
such determination to the city manager, within thirty (30) days
of notification of such determination. Such person may submit
additional evidence and shall be heard orally by the manager or
his deputy. The manager may modify the public works authority's
determination if satisfied that the determination was erroneous,
inconsistent with this chapter, or with applicable rules,
regulations or grant requirements made pursuant to 33 U.S.C.A.
c. 26. All determinations of the manager shall be rendered
within a reasonable period of time, not to exceed ninety (90)
days from the date of such hearing and shall be final.

Sec. 24-74. Reserved.

Sec. 24-75. Volume measurements.

(a) Water volume measurements. Whenever in this article there is
reference to volume of water, and the charges of such person are
computed in whole or in part upon such volume of water, the use
of such standard shall give the public works authority the right
to require any person obtaining water from sources other than
the Portland Water District to install and maintain at such
person's own expense water meters of a type approved by the
public works authority for the purpose of determining the volume
of water obtained from their other sources and to report the
volume of such water recorded by such meter to the public works
authority. Following installation, such meter shall not be
removed without the written permission of the public works
authority.

(b) Wastewater volume. Devices for measuring the volume of
wastewater discharged by a commercial or industrial user may be
required by the public works authority if these volumes cannot
be determined from the water volume records. Any person who is a
commercial or industrial user may, at his option, install
devices approved by the public works authority for the metering
of wastewater and may have the charges based upon the volume of
wastewater rather than upon water volume. All metering devices
for determining the volume of wastewater shall be installed,
owned and maintained by the person to be charged. Following
approval and installation, such meters may not be removed
without the consent of the public works authority and may be
read by the public works authority at all reasonable times.

(c) Submetering of water volume. Any person who feels that
recorded water records are not a reliable index of his discharge
volume may install an additional water meter of a type approved
by the public works authority to measure the volume of water
which can be shown not to enter the sewerage system. The person
installing such a meter shall immediately notify the public
works authority of such installation and shall be responsible to
the public works authority for reporting meter readings once
every month. Such person shall be credited with the volume
charges for the volume shown by such meter, which meter shall be
accessible for reading by the city or its agents at all
reasonable times.
(d) Review. Any person subject to charges under this article may
make a written request for review of such charges by the city
manager as provided in section 1-16 of this Code. The city
manager may review and modify such charges, to the extent that
justice requires, upon affirmative proof by such person that:

(1) The volume of metered water consumed exceeds the volume of
wastewater generated by the unit;

(2) The difference between the volume of water and of wastewater
exceeds ten (10) percent of the metered water measurement;

(3) The amount of the difference can be established to a
substantial certainty by reliable tests or is documented by
reliable sources prepared for purposes unconnected with
wastewater disposal; and

(4) Measurement by the measuring devices provided for in the
preceding subsections is impossible or impractical.


Sec. 24-76. Assessments.

(a) Lien. All assessments upon a parcel of land made under this
article shall create a lien for the benefit of the city.

(b) Reserved.

Sec. 24-77. Violations.

Any person violating the provisions of this article, other than
the requirement of payment of charges or assessments, shall be
guilty of an offense.
Attachment 3:

Backlog Study
CITY OF PORTLAND, MAINE




Does It Make Sense Study
“DIMS”


February 2011

FINAL REPORT




AMEC Earth & Environmental, Inc.
offices nationwide
 Stormwater DIMS Study



Overview

AMEC Earth & Environmental, Inc. (AMEC) representatives met with the City of Portland, Maine
(City) staff to investigate the basic advisability of using a stormwater user fee mechanism to
fund a program to enhance the local stormwater program to meet local program needs.
Meetings were conducted via phone conferences and onsite in City Hall. A Does It Make
Sense (DIMS) workshop was held on October 30, 2008, to familiarize City staff and regional
stakeholders with the needs of a successful stormwater management program and potential
funding options.

After the introductory portion of the workshop was complete, the local and regional
stakeholders left the meeting, and the key City staff participated in a session to discuss the
logistics and strategies of implementing a stormwater utility. Our goal was to come to essential
agreement on the answer to the questions:

 1. What are the key stormwater related problems, needs and issues that
 Portland faces?
 2. Does it make sense to initiate a user fee system to fund the
 stormwater program?
The structure of the extended meeting followed the roadmap depicted below.


 Background Compelling Program
 Information Case Priorities


 Cost vs. Show Next Steps If
 Revenue Stoppers “GO”

The remainder of the report follows this roadmap.

The invited full day meeting attendees included:

David Kane, PWD Treasurer
David Ladd, MeDEP MS4 Program Coordinator
John Anton, At-Large City Councilor
David Marshall, District 2 City Councilor
Joe Gray, City Manager
Pat Finnegan, Assistant City Manager
Mike Murray, Island/Neighborhood Administrator
Bob Leeman, Public Buildings Director
Ellen Sanborn, Director of Finance
Mary Costigan, Associate Corporation Counsel

City of Portland, Maine
Final Report Page 2
 Stormwater DIMS Study


Nicole Clegg, City Communications Director
Nelle Hanig, Business Development Representative
Penny Littell, Director of Planning & Development
Rick Blackburn, Assessor
Mike Bobinsky, Director of Public Services
Kathi Earley, DPS, Engineering Services Manager
Doug Roncarati, DPS, Associate Engineer
John Emerson, DPS, Wastewater Systems Coordinator
Betsy Beety, DPS, Principal Financial Officer
Andy Reese – AMEC
Charlene Johnston – AMEC




City of Portland, Maine
Final Report Page 3
 Stormwater DIMS Study



Background

What is stormwater?
Stormwater, also known as runoff or drainage, occurs when precipitation from rainfall or snow-
melt flows over ground surfaces. Development creates impervious surfaces like roadways,
sidewalks, parking lots, and building roof tops that impede the natural percolation of water into
the ground. That runoff must go somewhere, so the City of Portland established a system of
structures and pipes to collect and transport the runoff.

How is local stormwater management funded?
 Municipalities and their subsidiary organizations employ a variety of “funding” methods,
including service charges, several types of taxes, franchises and other fees, fines, and
penalties. It is important to understand the three main ways of providing support to stormwater
programs: resources, money and revenue:

 ♦ Resources include all the non-cash ways that a local stormwater program can be
 supported including: free resources available from the internet, shared costs with
 neighbors, transformation of current programs to better support stormwater needs,
 volunteer programs, etc. Resources are not free in that they often require significant staff
 time to find, coordinate, and manage.
 ♦ Money includes all one-time infusions of funds. This includes Federal and state grants,
 loans, penalties, bonds, special sales taxes, one-time development related fees and
 payments, penalties, etc. Money is often targeted to a specific need or program activity. It
 may, or may not, be sufficient to cover that program but its key characteristic is that it is
 one-time.
 ♦ Revenue includes all ongoing flows of funds. For local governments this includes property
 and other ad valorem taxes, sales or gasoline taxes, franchise fees, user fees, etc. The
 key characteristic of this type of support is that it is ongoing.

Each of these basic types of support has advantages and disadvantages and can be targeted
toward different aspects of the stormwater program. The Stormwater Management Functions
Table later in this report depicts the key elements of a typical stormwater program. As these
elements are considered it is clear that the bulk of the cost of stormwater programs must be
borne by revenue producing support sources not “resources” or “money”. Since stormwater
cannot compete effectively for general fund tax dollars, most local governments find that only
legally dedicated revenue will last the test of time and competing priorities.

The various funding methods also have distinctive characteristics which separate them legally,
technically, and in terms of public perceptions. Four major categories of municipal revenue
generation methods are taxes, service charges, exactions, and assessments.

 ♦ Taxes are intended primarily as revenue generators, and with some exceptions (such as
 special local option sales or earmarked taxes), without any particular association with the
 activities or improvements that they fund. They can be used for the general purposes of
 local government. These include property tax, income tax, sales tax, etc.




City of Portland, Maine
Final Report Page 4
 Stormwater DIMS Study


 ♦ Service charges are not established simply to generate revenue, but must be tied to the
 objectives of a specific program to which they are associated. For example, water and
 sewer service charges are structured to cover the cost of those programs, not to simply
 generate revenue which is used for other purposes as well. Thus the total revenue
 generated must be tied to the cost of providing services and facilities and the amount
 each rate payer is charged must be related to the impact or “use” of the system (rational
 nexus).

 ♦ Exactions are related to the extension of an approval or privilege to use. Franchise fees
 for the privilege of using the right-of-way for cable and phone companies limited to a
 certain percentage of revenue by Federal or state laws are an exaction. Licenses, tap
 fees, impact fees, fees in lieu of detention, capital recovery charges of all kinds and the
 mandatory dedication of infrastructure during development are also exactions.

 ♦ Assessments are geographically or otherwise limited fees levied for improvements or
 activities of direct and special benefit to those who are being charged. The benefit must
 be direct – tied to a specific and measurable or estimable property improvement. And it
 must be special - a benefit which is not realized generally in the community or area.

A major source of funding for stormwater management is in the form of a user fee system
under the auspices of a stormwater utility. This form of funding has several advantages over
other competing forms of finance including its equitability, stability and adequacy. The user fee
concept of a stormwater utility based funding method is fast growing. In the early 1970's there
were only one or two true stormwater utilities in existence. By 2008 the number had grown to
over 1,200. This number is expected to more than triple in the next decade as the financial
impacts of stormwater quality legislation reach the many small municipalities.

A stormwater utility falls primarily under the second of these funding categories: a service
charge. It is based on the premise that the urban drainage system is a public system, similar to
a wastewater or water supply system. When a demand is placed on either of these two later
systems the user pays. In the same way when a forested or grassy area is paved a greater
flow of water is placed on the drainage system. This is the demand. The greater the demand
(i.e. the more the parcel of land is paved), the greater the user fee should be.

The distinctions of the four revenue categories are very important. One of the critical issues
which typically must be resolved if a utility service charge of any type is legally challenged is
whether the service charge is clearly related to and incidental to the activities and
improvements of the utility, or is in fact merely a means of creating revenue for all governmental
purposes generally (a tax), or is a special assessment (which is supposed to reflect a direct and
special benefit). Thus a stormwater utility must be based on a stormwater program and not
simply a perceived financial need or willingness to pay.

A stormwater utility is seen as an umbrella under which individual communities address their
own specific needs in a manner consistent with local problems, priorities and practices. It is
understood in three ways: a means of generating revenue, a program concept, and potentially
an organizational entity. A storm water utility may provide a vehicle for:

 ♦ consolidating or coordinating responsibilities that were previously dispersed among
 several departments and divisions


City of Portland, Maine
Final Report Page 5
 Stormwater DIMS Study


 ♦ generating funding that is adequate, stable, equitable and dedicated solely to the storm
 water function
 ♦ developing programs that are comprehensive, cohesive and consistent year-to-year

A stormwater utility is equitable because the cost is borne by the user on the basis of demand
placed on the drainage system. It is stable because it is not as dependent on the vagaries of
the annual budgetary process as are taxes. It is adequate because a typical storm water
program can be financed with payments normally below the normal customer willingness to
pay.

How do stormwater fees work?
The basic rate methodology defines the basis for the rate that users will be paying. The three
main impacts on surface water of urban development are increases in peak flow, volume of
discharge, and amount of pollution. All impacts can fit into these three basic categories. The
variable most positively associated with each of these three major impacts is the conversion of
pervious areas (forests and fields) to impervious areas (pavement, roof tops, and other hard
surfaces).

Accommodating the runoff that occurs when pervious area that typically absorbs rainwater, is
converted to impervious area requires Portland to invest in the public drainage system.
Therefore, it is appropriate to use some measurement of impervious area or surrogate of
impervious area in the rate methodologies. Most stormwater programs in the United States
have taken this approach and a 2007 survey found that 74 percent of all stormwater programs
 1
responding used impervious area as a factor for rate calculation . While impervious area does
not directly account for all of the stormwater program costs, urbanization of land as reflected in
intensity of development is, by far, the best measure of cost causation and provides a court-
tested rational nexus for the fee amount on any property.

Impervious area is typically billed in units of an equivalent residential unit (ERU). We determine
what a typical (median) residential property’s impervious area is and bill all properties in
numbers of ERUs. There is then a
monthly (or quarterly) charge per ERU.
Residences tend to be billed on a flat
rate or several tiers.

The figure shows an example of the
impervious coverage on a non-
residential fast-food parcel in Portland.
Impervious area includes such things
as roof tops, sidewalks, parking areas,
patios, tennis courts and gravel
traveled ways – any man made surface
that water cannot penetrate effectively
and thus, must run off.
 Example of
 Non-Residential Parcel
There are, however, additional ways to
 Impervious Area.
configure the rate methodology to

1
 “Stormwater Utility Survey”, Black and Veatch, Kansas City, 2007.
City of Portland, Maine
Final Report Page 6
 Stormwater DIMS Study


emphasize certain other impacts or recognize the benefits of certain kinds of development
practices. Many of these considerations are handled with a stormwater crediting or secondary
funding system, but some factors can also be handled in the makeup of the basic rate
methodology itself. Two factors commonly considered are:

 • Some communities charge for gross parcel area in addition to impervious area,
 reasoning that stormwater runs off all parcels and thus, all should pay.
 • Some communities want to encourage green space and set up charges based on an
 intensity of development factor – so that the same amount of imperviousness would be
 charged less if it were located on a larger lot with more green space.

These latter two approaches are almost opposites of each other in how they treat open space.
The 2007 Black & Veatch survey, which found that a majority (65%) of stormwater programs
base charges on impervious area only, found that of the remaining stormwater programs:

 • 9% charge based on gross area plus impervious area.
 • 12% recognize the benefits of green space through an intensity of development factor.
 • 14% use another basis for fees.




City of Portland, Maine
Final Report Page 7
 Stormwater DIMS Study



Compelling Case
What local government “sells” is service—services that local citizens feel they need. In most
communities there are compelling reasons to improve stormwater programs (i.e. localized
flooding issues, water quality violations, large backlog of capital needs). Improving stormwater
services costs money, so the compelling reasons for each community to enhance services
need to be determined and clearly communicated to convince stakeholders and citizens to
spend more on the stormwater program.

Unlike other public works problems, such as wastewater or solid waste management,
stormwater issues are rarely visible to the majority of the community. So it is incumbent on the
organizations that manage stormwater to make these problems, issues, and opportunities
known in an effective way. Experience has shown that in many cases, when the public is
educated effectively, most citizens will acquiesce in allowing the organization to solve the
problems, address the issues, and take advantage of the opportunities.

At the workshop, there was recognition of the reality that there are many “publics” in the
community, and the messages will need to be tailor made to various groups and even to
particular individuals. Key public sectors include: the Board, local political leaders, flooded
individuals, business leaders, non-profits, schools, small business, environmental advocates,
and the development community.

In discussions with the staff, a series of key problems, needs, and issues emerged that are
either facing the City today or will face them in the near future. The group developed a top list
of issues and messages that resonated with them. These messages were then voted on by the
group; each participant was given 7 votes to select what they thought would be important to
citizens and other stakeholders in the community. The outcome is summarized below in order
of ranking done by the multi-voting (the number of votes cast for each compelling issue is in
parenthesis).

 1. Protect Water Quality and the Environment (24 votes) – There was an expressed
 desire to protect the valuable water resources on which the City relies. Many
 expressed that the physical setting and the desire to protect its natural beauty
 were primary reasons to institute a user fee, and the green design and a
 proactive stance were key to success.
 2. Steward the System (22 votes) – There was a desire to catch up with long
 neglected maintenance and to provide adequate stewardship of the miles of
 channels, stream, pipes and thousands of appurtenant structures. There was a
 sense that the City was falling behind due to lack of proper investment in
 maintenance and that waiting would only increase costs.
 3. Educate Citizens and Leaders (20 votes) – While many citizens and political
 leaders are generally aware of the key role clean water plays, there was a
 perceived need to provide much stronger education of citizens and to target the
 political leadership to bring them up to speed on the clean water issues and the
 need for a stable, adequate and equitable way to fund it.
 4. Build the System (17 votes) – Paired with number 2 is the need to rebuild the
 parts of the system that are inadequate or failing and to do so in an
 environmentally sustainable manner taking full advantage of green designs and
 advances in understanding.


City of Portland, Maine
Final Report Page 8
 Stormwater DIMS Study


 5. Equity and Efficiency (16 votes) – The group desired to shift costs in such a way
 that equity and fairness were maximized and that there was an efficient focus on
 stormwater needs. The idea of a user fee with crediting system to reward sound
 clean water behavior was compelling.
 6. Meet Regulatory Mandates (11 votes) – Unfunded regulatory mandates are a
 growing concern. There is a desire to both meet the mandates, attempt to
 interpret them in a manner that best fits the Portland situation, and to do so in an
 effective and adequately funded manner.
 7. Guide New Development (8 votes) – The group expressed a strong desire to do
 a better job in guiding new development and redevelopment to be less impacting
 than old development and to provide more field staff to support such efforts and
 to ferret out the problems caused by existing poor practices.
 8. Enhance Economic Development (6 votes) – In recognition of the close ties
 between the environment and economic development, the group felt that all the
 1-7 activities would contribute to enhanced economic development. However,
 there was also an expressed desire to recognize that activities could be targeted
 and decisions made which would more directly enhance and protect property
 values and demonstrate that Portland is an environmentally proactive place to
 live.




City of Portland, Maine
Final Report Page 9
 Stormwater DIMS Study



Program Priorities and Messages
Based on the compelling case discussion, the group discussed key program priorities and
messages for the stormwater program.

• Priorities are the answer to the question: “the improved stormwater program will seek to
 accomplish, as a priority, the following things:”
• Messages would need to be developed to “sell” the idea of improving these priority services.

One underlying concern was that not many citizens have an understanding of the problems with
the stormwater program and, thus, would need clear and convincing information effectively
presented before they would willingly spend money to address them. The key additional
priorities identified by the group were:

• Improve and repair our drainage system maintenance, for aesthetics and capacity
• Improve detection and elimination of illicit connection problems
• Develop watershed plans and models, to allow an ability to plan effectively
• Work to instill a sense of ownership/stewardship in the water resources of the community
• Provide opportunities for the development community to more efficiently use their land in
 new development and redevelopment
• Better coordinate the stormwater and CSO program to provide an efficient interface both
 programmatically and with the physical system
• Address overboard discharges on the peninsula

The key messages were framed in one or two words – these would provide the “flavor” of any
stormwater program improvement campaign. They are:

 • Water Quality
 • Quality of Life
 • Sustainability
 • Fairness
 • Stewardship
 • The Bay
 • Meet Mandates

These messages were thought to resonate with the staff, leaders and citizens and frame the
foundations for why we are taking steps to improve the surface water program and to provide
fair, adequate, and stable funding.




City of Portland, Maine
Final Report Page 10
 Stormwater DIMS Study



Cost vs. Revenue
Portland drainage systems
The City has a sewer system that predates the belief that storm sewers should be kept
separate from sanitary wastewater; therefore, the City has an extensive system of pipes that
carries a combination of wastewater and stormwater, commonly referred to as a combined
sewer system. The downside of such a system is that stormwater runoff from development
may eventually exceed the carrying capacity of the combined sewers, resulting in combined
sewer overflows, which can impair water quality. The City is under a Consent Agreement to
reduce combined sewer overflows. The City has a significant Combined Sewer Overflow (CSO)
Abatement Program, but approximately 55% of the sewer system is still combined. The rest of
the City system conveys stormwater separate from its wastewater; this system is known as a
Municipal Separate Storm Sewer System (MS4).

The City is authorized to discharge stormwater from the MS4 to waters of the State under the
General Permit for Discharge of Stormwater from Small Municipal Separate Storm Sewer
Systems. The City has an updated Stormwater Program Management Plan (dated October 28,
2008), which describes how the City will reduce or eliminate polluted stormwater runoff to the
maximum extent practicable from its MS4. The Plan must be substantially implemented by
June 30, 2013.

The City has 17 distinct watersheds: eight receiving waters with four freshwater and four
saltwater. At the time of the DIMS study there were four impaired urban streams, the Capisic
Brook, Fall Brook, Long Creek and Nason’s Brook. Although it was not included in the DIMS
study or the initial draft report, it should be noted that a fifth "unnamed brook" on the 303d
impaired waters list has since been identified as Dole Brook. The City has prioritized the
Capisic Brook Watershed within their Stormwater Program Management Plan. A majority of the
City’s CSO abatement work is within the Capisic Brook Watershed.

Stormwater is not a stand alone service within the City; therefore, it is difficult to attribute how
many employee hours are spent specifically on stormwater management issues. Most of the
stormwater management is provided by the Public Works Department. The Public Works
Department is divided into five service groups. Most of the stormwater services are delivered
through two groups—Engineering Services and Operations.

Portland’s existing stormwater program
An adequately funded stormwater management program is the foundation of a successfully
operated and maintained stormwater system. There is a clear understanding by the staff that
the City currently does not have the budget to fund an enhanced stormwater management
program. Discussion was held with the City staff to explore current stormwater activities to
estimate typical stormwater program expenditures. Obtaining accurate information on all of the
city’s stormwater activities was challenging, because many of the activities are not accounted
for nor tracked in a manner that allows for financial or even functional segregation from other
programs or activities. Since City stormwater services are currently performed through many
different departments and funded through different budgets, the staff reviewed the Stormwater
Management Program Functions table on the following page and made educated estimates of
resources expended on applicable functions.




City of Portland, Maine
Final Report Page 11
 Stormwater DIMS Study




 STORMWATER MANAGEMENT PROGRAM FUNCTIONS TABLE

1. Administration & Finance 5. Operations & Maintenance
 General Administration General Maintenance Management
 General Program Development General Routine Maintenance
 Interlocal Coordination General Remedial Maintenance
 Billing Operations Emergency Response Maintenance
 Customer Service Infrastructure Management
 Financial Management Public Assistance
 Capital Outlay Complaints Response
 Overhead Costs Street Maintenance Program
 Cost Control Spill Response and Clean Up
 Support Services
 Contracting Services 6. Capital Construction
 Major Capital Improvements
2. Public Involvement & Education Minor Capital Improvements
 Public Awareness & Education Land, Easement, and Right-of-Way
 Public Involvement Retrofitting and Redevelopment
 Citizen’s Group Facilitation Construction Management
 PI&E Support to Other Programs Public-Private Partnerships
 Specific Technical Training/Certification
 7. Development Support Services
3. GIS and Technology Support Code Development and Enforcement
 Geographic Information Systems General Permit Administration
 Mapping Plans Review
 Database Management System Inspection & Regulation
 Data Support Services Zoning and Land Use Support
 Graphical Support Erosion Control Program
 General Technology Support Flood Insurance Program
 Internet and Web Support
 Technology Transfer 8. Regulatory Compliance & Enforcement
 Flood Insurance Program
4. Engineering & Planning Multi-Objective Floodplain Management
 Design Criteria and Standards Monitoring and Sampling Program
 Structural and Non-Structural BMPs Stormwater NPDES:
 Field Data Collection - Pest, Herb and Fertilizer
 Quantity Master Planning - Used Oil & Toxic Materials
 Multi-objective Holistic Planning - Program for Public Ed & Involvement
 Stream Restoration - Municipal Housekeeping
 Habitat Conservation Plans - Industrial Program for Stormwater
 Quality Master Planning - Litter and Floatables Programs
 Design, Field and Ops Engineering - Commercial & Residential Program
 Hazard Mitigation - Erosion Control
 Zoning Support - Illicit Connection & Illegal Dumping
 Retrofitting Program Planning Support Groundwater Protection
 Green Site Design and Low Impact Approaches Endangered Species Compliance
 Drinking Water Protection
 Watershed TMDL Support
 Septic Program

The majority of the City’s current stormwater program is administered by the Public Works
Department. The Public Works Department provided reports and data to help identify the
biggest costs facing the City’s stormwater program. At this time, the biggest known stormwater
costs pertain to the following:

• A significant CSO separation program receives most of the attention and funding.

City of Portland, Maine
Final Report Page 12
 Stormwater DIMS Study


• There has been little capital investment in the deteriorating pipe system. They know there
 are significant problems but the system has not been fully inventoried and quantified.
 Problems get magnified when timely maintenance is not performed.
 o Example: 100 feet of collapsed combined sewer repair cost was $50,000
• There are many clogged, trashed and polluted inlets and outlets
 o Understaffed for education & enforcement
• The City knows of 77 larger detention ponds/basins – 12 are city-owned – with few of them
 maintained.
• There are 231 culverts inventoried. Some culverts are known to be in poor condition but
 currently repaired only in a crisis mode.
• The City does not have a formal ditch/swale maintenance program.
• Regulatory mandates are growing including requirements of the National Pollutant
 Discharge Elimination System (NPDES) Phase II stormwater permit and the Total Maximum
 Daily Load (TMDL) program
• The City regularly cleans catch basin sumps but remedial maintenance is falling behind,
 including:
 o 500 ± Casco traps missing or damaged
 o 100 ± Hydrobrakes need repair or replacement
• The City has an aging and inadequate equipment fleet.

Portland’s future stormwater program
Detailed discussions were held concerning the types of improvements needed and estimates of
staffing and cost increases. These are ballpark estimates but represent a consensus of the staff
present. The Stormwater Management Program Costs Table below presents a summary of the
major costs. In every category presented, current expenditures fall short of projected future
needs.

Stormwater Management Program Costs Table

 Estimated Costs
Function
 Existing Future

Operations & Maintenance $ 350,000 $ 750,000
Capital Construction $ 90,000 $ 1,000,000
Regulatory Compliance $ 30,000 $ 120,000
Development Support $ 60,000 $ 120,000
Engineering & Planning $ 120,000 $ 180,000
Misc. Services $ 10,000 $ 225,000

TOTALS $ 660,000 $ 2,395,000

Recognizing the City cannot invest immediately in everything that is needed to operate an
enhanced stormwater program, priorities need to be set. In order to determine priorities, there
will be a need for master planning, mapping, and modeling in the first year. The $1,000,000
annually for future capital construction will not be sufficient to tackle the entire capital backlog in
a timely way, but it could help the City to accelerate construction through bonding and/or to

City of Portland, Maine
Final Report Page 13
 Stormwater DIMS Study


leverage access to grants. The City has not been able to keep up with routine maintenance
and the future operations and maintenance costs projected at $750,000 will provide a moderate
ability to address the existing backlog of maintenance items. An important point to note is the
advent of a successful stormwater management program raises expectations. People who in
the past gave up on complaining about their stormwater problems will resurface when they see
the program successes and they will then begin to call again. Other increases reflect staff
additions to beef up and enhance current services in each area. The miscellaneous services
category includes the future cost estimate of $125,000/year for stormwater user fee billing of
approximately 22,000 accounts.

While national comparisons are difficult given the large CSO program, we believe this level of
investment will place the City in the upper tier of a “moderate” program level.

Portland’s revenue estimates
The following figure provides an estimate of the amount of revenue that could be generated
with an impervious-based user fee. These numbers are based on using an Equivalent
Residential Units (ERUs) rate structure. The ERU size was estimated at 3,200 square feet. We
estimate that for every one dollar per ERU per month the City can generate between $550,000
and $650,000. These numbers are very preliminary. To generate the projected $2,400,000
required annually to fund all projected future stormwater needs, a charge in the range of $4.00
per month would be needed.




City of Portland, Maine
Final Report Page 14
 Stormwater DIMS Study



Show Stoppers/Hurdles
The group then identified the local issues and entities that, if not handled appropriately and
proactively, can become “show stoppers” or “hurdles” that can slow or derail the transition to a
more comprehensive stormwater management program with user fee funding. The hurdles
were identified by asking the group “who will not like a stormwater user fee and why?” The
hurdles identified by the group that will likely need to be cleared are:

• Economic times are getting harder. With recent sewer hike, we could look insensitive and
 expensive.
• Need to be sensitive to timing of election (November).
• Educate the business community. With proper education the Chamber of Commerce will be
 supportive. The local business motive is availability to necessary resources (land, labor,
 economic base).
• Sewer rate is very expensive. People will expect a shift in costs from the sewer rate if they
 are paying a stormwater user fee.
• Water bill may not be an easy alternative. Intensive negotiations will be necessary with
 PWD.
• Tax exempt properties: will have to pay a fee so they likely won’t be happy.
• We need better statistics to communicate our story.
• Media issue: Watch out for Lewiston/Auburn and the “rain tax” story line.
• Beware of the regulatory community’s feeling that this is a continued study situation rather
 than proactive movement, What have you been doing all this time?

A lot of discussion revolved around the fact that not enough is known about the extent and
condition of the stormwater system. Several members of the group felt that a watershed plan
needed to be completed to extrapolate the total cost needed for the City’s stormwater
management program.




City of Portland, Maine
Final Report Page 15
 Stormwater DIMS Study



Next Steps
A vote was taken at the end of the workshop to determine how the staff felt about a stormwater
user fee being developed for the City of Portland. Each participant was asked to vote for one of
the following (the number of votes cast for each expression is in parenthesis):

 1. It won’t work. (0)
 2. I still need convincing that this is the right approach. (1)
 3. Let’s move to the next step. (2)
 4. Let’s move cautiously toward implementation. (4)
 5. I strongly support implementing a stormwater user fee right now. (0)

There was one person who felt they were between a 2 and 3. The member felt that if the City
had more data, they would be more supportive of moving to the next step. The group was
reminded that this is an evolutionary process. Until the funding is provided, it will be difficult to
have all the information they want to have to make master planning decisions. The first step is
to identify the needs and gaps in the existing program, so it is clear what still needs to be done.

Two other members voted between 3 and 4. They wanted the next steps to be a cautious
move toward a stormwater user fee implementation project. The average for the group was a
3, Let’s move to the next step. The group consensus was that a stormwater utility was a
practical solution to the City’s funding problems. They agreed that it was a concept worth
further investigation.

An alternative option is to explore a wet weather rate adjustment. The City has a sewer fee that
currently supports the combined sewer system. There could be a justification to develop a wet
weather fee that would support the combined sewer system as well as the separate storm
sewer system and to shift program funds to be supported on that fee basis. Similar to a
stormwater user fee, this is a more equitable approach to billing property owners for their
contribution to the system.

The staff then debated key components and key next steps. It was agreed that a briefing of the
Board was necessary to gain permission to explore public support for a District stormwater
initiative. The overall roadmap for the City to move forward was given as:

 1. Gather more data on the stormwater system
 2. Hire a Consultant to present to City Council in a workshop, regarding the City’s
 stormwater needs and the next step to develop a Stormwater Management Business
 Plan (SMBP) for the City
 3. Consultant prepares presentation for the City Council and City reviews and rehearses
 with Consultant
 4. City organizes a workshop with City Council to request permission to develop a SMBP
 5. At the workshop, the Consultant presents to the Council requesting an appointed
 Stormwater Advisory Committee to work with Consultant to develop a SMBP
 6. If the Council gives permission, develop the scope and process for a Stormwater
 Management Business Plan
 7. Six months later, the Stormwater Advisory Committee reports back to City Council
 8. With positive results, the Council passes resolution authorizing implementation of a
 stormwater utility.


City of Portland, Maine
Final Report Page 16
 Stormwater DIMS Study



Conclusions
The group agreed that there is a compelling need to enhance City stormwater services.
Avoiding the problem will defer maintenance, increase backlogs, and escalate costs.

A stormwater user fee could generate sufficient revenue to support an enhanced program.
While hurdles have been identified, they appear manageable with appropriate education and
outreach. The next step is to inform City Council of these preliminary findings and request their
support in moving forward with a Stormwater Management Business Plan.




City of Portland, Maine
Final Report Page 17
COMMITMENT & INTEGRITY 41 Hutchins Drive T 800.426.4262
DRIVE RESULTS Portland, Maine 04102 T 207.774.2112
 www.woodardcurran.com F 207.774.6635

April 1, 2011

Mike Bobinsky
Department of Public Services
City of Portland
55 Portland Street
Portland, ME 04101

Dear Mike:

Woodard & Curran and AMEC are pleased to submit an Appendix to the original “Stormwater Does It
Make Sense” Study prepared by AMEC Earth & Environmental Inc., in November 2008. As outlined in
our contract accepted on October 21, 2010, the objective of the project was as follows:

  to improve the City’s understanding of the condition of its stormwater infrastructure through a
 strategic stormwater system inventory, and
  to provide an update to the Stormwater Program Costs based on the sampling of the City’s
 stormwater drainage infrastructure and current stormwater compliance efforts.

The DIMS Appendix includes the following attachments:

  Attachment A - The “Infrastructure Report” providing an overview of the field sample results
 and extrapolations used in the Stormwater Program Cost Summary spreadsheet.
  Attachment B - Cost estimate spreadsheets used as a basis for remedial repair and
 replacement, non-structural compliance and City maintenance activity costs.
  Attachment C - Catchbasin, manhole and outfall data collection forms used in the field study.

Additionally, we have included a CD containing the final Stormwater Program Cost Summary
spreadsheet, the collected field data spreadsheet and field photos from the stormwater system
inventory.

We look forward to discussing the results of this work with you and appreciate the opportunity to have
supported your efforts to advance consideration for sustainable stormwater financing.

Sincerely,

WOODARD & CURRAN INC.


Barry Sheff P.E. Zach Henderson
Senior Vice President Project Scientist



222804.25
Attachments

cc: Ian Houseal
 Kathi Earley
 Doug Roncarati
DIMS Addendum 2011
Objectives
AMEC had four objectives within this limited scope of services:

  Advise Woodard & Curran (W&C) in execution of an infrastructure inventory;
  Update, as appropriate, program costs from the original DIMS study based on
 extrapolated findings from the infrastructure inventory;
  Re-examine and update, as appropriate, the program cost assumptions presented in the
 2008 DIMS, including a validation of the larger estimated program costs; and
  Review the estimate of revenue potential based on more recent impervious area data.

Findings from these activities are to be contained in a brief addendum to the original Does it
Make Sense? Study (DIMS) completed in November 2008.

AMEC provided advice on the execution of an infrastructure inventory, and upon receipt of the
infrastructure inventory conducted by W&C, extrapolated the information to provide a
meaningful estimate of long-term infrastructure remedial needs.

Inventory Extrapolation
The tabular data was combined with the City’s GIS to examine the geographic distribution of
structures. The GIS coverage was defined as the universe of data that would be considered. For
example, the largest pipe exiting from a manhole was assumed to be the drain pipe and pipe
system length calculated accordingly.

Data not in the GIS layer is unknown and was not considered. In addition, size information was
available on 67.4 out of 139.8 miles of storm sewer pipe and 113.9 out of 136.6 miles of CSO
pipe. Size and condition distributions were extrapolated to the rest of the system in the same
proportions.

We evaluated the available data to determine if there was any significant correlation with
specific variables:

  The field data could not be correlated to land use so as to develop a land use based
 extrapolation
  No condition information is available for combined sewer lines, storm sewer lines and
 only three outfalls were collected.
  There was a slight correlation with condition and percent impervious (>PI<condition)
  There was a slight correlation with condition and elevation (<elevation <condition)
  There was a slight correlation with condition and slope-break (condition worse just below
 steep to flat slope break)

None of these correlations could be extrapolated in a meaningful way.

Since these relationships were not strong enough to warrant geographic analysis, statistical
distributions of the conditions of the structures that do have sufficient data were used to
extrapolate costs across the populations of each type of infrastructure. This assumption needs
to be ground-truthed with Portland staff.



 2
Details of the inventory and its extrapolation and a spreadsheet have been provided to the City
and will not be repeated here. The Infrastructure Report was delivered on Monday January 24,
2011 and the Stormwater Program Cost Summary spreadsheet, dated March 01, 2011, are
attached.

Program Revenue and Cost Estimates
The primary focus of the inventory and analysis was to develop a better estimate for the
“Remedial maintenance” line item within the DIMS cost of service spreadsheet. The 2008 DIMS
line item contains a $900,000 item tied specifically to the Preble Street culvert. The idea was to
develop a more accurate estimate tied to the needs of the system.

Revenue Capacity
Using currently available data AMEC performed an updated revenue capacity estimate. The
data sets used in the update included: building footprints, satellite data converted to impervious
features, parcel boundaries, land use data parcel attributes. We developed a median value
estimate of an “Equivalent Residential Unit” (ERU) of 2,500 s.f. based on review of a sampling
of residential properties. Using this and a blending of the data sets several estimates were
made of the total revenue capacity in Portland. We assumed one ERU per residential property
and a rounded value for the rest of the parcels. We performed this estimate on 20,501 parcels.

The process for developing the estimate and the descriptions for the data sources and the
acronyms are as follows: AMEC received from the City a Parcels GIS polygon layer and a
CAMA tax dataset, both of which are indexed on the parcel ID field called “Lead CBL.” We also
received a building footprint polygon layer from the City, and had previously received a satellite-
derived impervious feature polygon layer from Woodard & Curran.

The impervious features were edited to combine the building footprints with the satellite-derived
impervious features to create two alternative impervious polygon layers (to choose from), both
of which are more accurate than either source taken alone. Ultimately the impervious features
we used for the estimates were developed by “unioning” the building polygons with the satellite-
derived polygons, then eliminating single pixel impervious polygons from the satellite-derived
impervious features where these single pixels were not overlain by building polygons. Because
the building polygons are more accurate than satellite-derived features, and because single
pixel impervious areas are often false positives, this was viewed as the most accurate approach
for the given budget and time constraint.

The GIS parcel polygons were intersected with this modified impervious area polygon layer to
compute the impervious area for each parcel polygon citywide. Next, the computed impervious
areas were tallied by unique “Lead CBL” parcel ID, by grouping the dataset on Lead CBL. This
resulted in two types of Lead CBL: “real” parcels with a Lead CBL that matched a CAMA
database record, and GIS polygons that appeared to not represent typical fee-simple owned
land. For this second type of polygon, the tallies were carried forward but the decision was
made not to include these in the revenue estimate because they would likely be unbillable in a
utility. These polygons had Lead CBL ID’s of Interstate, MDOT, Railroad, ROW, and Water.
The “count” shown in the summary table for these is deceiving because the grouping process
described above (to achieve unique Lead CBL ID’s) results in the grouped count being 1 for
these situations in most cases. For example, there are 69 polygons in the parcel layer that have
“MDOT” as the Lead CBL ID, but since records were grouped by Lead CBL, the count is shown
as 1.




 3
For all resulting unique Lead CBL ID parcel polygons, the CAMA table was used to assess the
field called “LCI”, which is an indicator of residential or non-residential land use. For parcels
with an LCI of “R” and a measured impervious area (from the intersect) over 400 square feet,
the parcel was assumed a flat-rate one ERU billable single family residential (SFR) parcel.
Statistics were run on these 15,463 parcels to determine the median impervious area of these
and it was approximately 2,500 square feet. This was then used as the ERU.

For parcels with less than 400 square feet of impervious area, we classified these as VACANT.

For parcels with an LCI that indicated non-residential use, we mapped these to be non-single
family residential (NSFR) in the estimate. There are 2,995 of these parcels and for each, the
number of ERUs was reported as the impervious area on the parcel divided by the ERU of
2,500 square feet.

In the estimate, decisions had to be made on whether to include certain types of properties in
the revenue estimate. Table 1 shows the decisions that were made in the revenue estimate, and
are discussed in the next paragraph. The anticipated annual revenue ($602,687) represents one
dollar per month charge, for each of the roughly 50,300 ERU on the stormwater bill. For
example, increasing from $1/ERU per month to $3.50 would generate about $2.1M on annual
stormwater revenue. All fees for non-single family residential properties can be calculated by
dividing the total impervious area of the parcel by 2,500 and rounding up to the next higher even
ERU. A larger ERU size will reduce the annual revenue. For example an increase to 3,000
square feet will reduce the overall revenue an estimated 8.6%.

Note that Maine Turnpike, MDOT ROW properties, railroad tracks, street right-of-way and local
streets, and waterbodies were not included in the estimate. However if the City chooses to
include any of these entities, the increase in ERUs and annual revenue (12 times the ERU
number) per monthly dollar charge can be calculated from the table. In summary, prior to any
credits being applied or accounting for bad debt it is estimated that a one-dollar charge per ERU
with the ERU being set at the median home amount of impervious area is estimated to generate
$600,000 revenue annually.


 Table 1. Revenue Estimate




Remedial Maintenance Cost Development
During the Stormwater System Inventory Task, five categories of infrastructure were included
(stormwater manholes, stormwater pipes, catch basins, combined sewer pipes, and outfalls)
and each was given an assigned remedial maintenance cost based on site specific dimensions
and on one of three conditions observed in the field: fair, poor, very poor. These costs were
extrapolated city-wide. Table 2 shows the raw data.




 4
 Table 2. Overall Results of Inventory Extrapolation




From this table it can be seen that the maximum backlog for all conditions and for all kinds of
infrastructure is estimated to be $87.4M dollars (including combined sewer pipe system). This
total may be beyond the City’s financial capability with respect to a tax-based or user-fee based
funding mechanism. For example, if the user fee were set at $5.00 per ERU per month, it would
take almost 30 years for the current backlog to be removed.

However, choices must be made as to which conditions warrant city action, and what categories
would be funded by a stormwater user fee. Several combinations of decision would change the
total. For example:

  Excluding all infrastructures in “fair” condition would eliminate almost $59M dollars
 bringing the total to $28.5M (Poor and Very Poor infrastructure).
  Excluding the Combined Sewer Pipes expenses with the reasoning that they are
 wastewater expenses would bring the total to $45.7M.
  Excluding both fair condition and Combined Sewer Pipes expenses will bring the total to
 $15.2M.

A subsequent recommendation was made that that all combined sewer pipes remedial repair be
eliminated from consideration at this time, and that costs for stormwater pipes be adjusted
downward by 25% as a conservative accounting for uncertainties regarding actual pipe
condition. This adjustment factor could be reconsidered during stormwater utility feasibility
analysis if additional televising data is made available by the City or through additional data
collection acquired through the feasibility study. Table 3 reflects these recommendations.

 Table 3. Modified Overall Results of Inventory Extrapolation




 5
Program Cost Development
W&C and Portland staff have evaluated original DIMS program costs and supplemented the
worksheet with updated cost estimates for various stormwater program needs. The program
cost updates have been based on requirements under the City’s Municipal Separate Storm
Sewer System (MS4) permit and recent restoration recommendations in the impaired Capisic
Brook watershed. These updated costs have been integrated into the overall program cost of
service. Changes to the cost of service estimate (COS) made by W&C and Portland staff is
reflected in this report. There will be a need to refine estimated stormwater program costs
during future stormwater utility feasibility analysis.

Based on these estimates the total stormwater program cost is estimated at $1.78M annually.
These costs include General Routine Maintenance (street sweeping and catchbasin cleaning),
Regulatory Compliance & Enforcement, Engineering and Planning, Technical Support, Public
Education, and Miscellaneous Administration.

Summary of Costs and Rates
Referring to Table 2 and the Program Cost worksheet in the Stormwater Program Cost
Summary spreadsheet, the total program cost then includes both an annual stormwater
program cost of $1.78M plus a remedial maintenance cost. Based on Table 3 the existing
remedial maintenance backlog that will be addressed by the user fee is $35.56M. This backlog
will be addressed over a period of years.

During that time others specific parts of the system or structures will deteriorate and will need to
be added to the backlog. A reasonable assumption is that the backlog might grow at about 2%
per year. Taking this into account Table 4 provides annual remedial maintenance costs to work
off the current and incremental backlog within the planning horizon.

For example, if a 20 year planning horizon is chosen the annual remedial maintenance cost is
estimated to be $2.1M.

The right hand column is the estimated monthly fee per ERU for that combination of basic
stormwater program plus annual remedial maintenance cost from the second column.


 Table 4. Annual Remedial Maintenance Costs and Total Fee




 6
In closing this addendum to the DIMS study, several things should be pointed out. First of all, it
should be noted that the updated cost items outside the inventory extrapolation were not the
product of a rigorous analysis of the implications either of future compliance requirements or of
a comprehensive discussion of which costs should be recognized as “stormwater” costs and
which properly reside in other budgetary areas. The decision was made to make a preliminary
best estimate of changes from the original DIMS analysis and reserve a more detailed analysis
for a future time should the decision be made to move forward with additional feasibility analysis
and decision making.

Secondly, the decision of which inventory-based remedial maintenance costs to include in
stormwater was made independent of a more comprehensive look at the allocation of
infrastructure costs generally and levels of service offered by the City. The inventory
extrapolation results are the best data available, but are admittedly estimates. When more
experience is gained in remedial maintenance of the system and a broader inventory is
completed these numbers can be tightened. However, a wider staff group should review
decisions and their implications.

Lastly, the monthly rates per ERU reflected in Table 4 may or may not be above a perceived
willingness to pay for stormwater management in the City. Stormwater must, even as a separate
user fee, compete with other demands. Such balancing of priorities should be made by a larger
and more widely constituted group.

It is clear that hard decisions must be made on the establishment of priorities for stormwater
expenditure, an acceptable level of user fee, and other decisions about the rate basis, credits,
etc. We recommend that these decisions be made during a feasibility study wherein a larger
stakeholder group systematically moves through a decision process culminating in answers in
these key areas.




 7
 ATTACHMENT A: INFRASTRUCTURE REPORT




City of Portland (222804.25) March 2011
Stormwater Utility Program Cost Analysis
Portland Stormwater Infrastructure Analysis
Quick Summary
AMEC was tasked with estimating remedial costs for stormwater infrastructure in Portland
focusing on catch basins, manholes, outfalls and sewer lines. AMEC was provided:

GIS data layers from the City of Portland GIS;
Tabular information regarding field sampling of condition data for 193 catch basins (191
referenced in the GIS), 79 manholes and 3 outfalls (2 in the GIS);
Unit cost data for structure rehabilitation or replacement was provided based on specific
infrastructure types, depth or size, and physical condition.

The objective was to take this data and attempt to extrapolate it to city-wide costs for system
rehabilitation.

Extrapolation
The tabular data was combined with the GIS to examine the geographic distribution of
structures. The GIS coverage was defined as the universe of data that would be considered. For
example, the largest pipe exiting from a manhole was assumed to be the drain pipe and pipe
system length calculated accordingly.

Data not in the GIS layer is unknown and was not considered. In addition, size information was
available on 67.4 out of 139.8 miles of storm sewer pipe and 113.9 out of 136.6 miles of CSO
pipe. Size and condition distributions were extrapolated to the rest of the system in the same
proportions.

We evaluated the available data to determine if there was any significant correlation with
specific variables:

  The field data could not be correlated to land use so as to develop a land use based
 extrapolation
  No condition information is available combined sewer lines, storm sewer lines and only
 three outfalls were collected.
  There was a slight correlation with condition and percent impervious (>PI<condition)
  There was a slight correlation with condition and elevation (<elevation <condition)
  There was a slight correlation with condition and slope-break (condition worse just below
 steep to flat slope break)

None of these correlations could be extrapolated in a meaningful way.

Since these relationships were not strong enough to warrant geographic analysis, statistical
distributions of the conditions of the structures that do have sufficient data were used to
extrapolate costs across the populations of each type of infrastructure. This assumption needs
to be ground-truthed with Portland staff.

Worksheet Description
Note the annotations within the spreadsheet as to assumptions or ancillary information.

Samples
  Green Shaded – field inventory information
  Unshaded – GIS database interpretation
 2
GIS Populations
The overall populations are given for each type of infrastructure examined.

  For catch basins, the number was taken from the count in the Portland GIS layer
 “sde_PORTGIS_CatchBasin.”
  The manhole count was taken from “sde_PORTGIS_ManholeD,” and
  outfalls from “sde_PORTGIS_DischargePointD.”
  Sewer line quantities were determined in length of pipe (given in feet) in the layers
 “sde_PORTGIS_StormMain” and “sde_PORTGIS_SewerMain.”

These population numbers were used for extrapolation in the third worksheet, “Extrapolations,”
and if changed, all extrapolated numbers should change as well.

Extrapolations
Worksheet contains attributes that can be used to derive more specific distribution data on what
structures need to be repaired or replaced: depth, size, material, condition (as appropriate).
These attributes were only present for a subset of the total population, for example only 58
manholes had depth information out of the population of 1846. Exit pipe diameters in all cases
were derived using GIS analysis to find the largest diameter pipe touching each structure.
Outfalls had too few structures sample to create a condition distribution and no condition
information was part of the sampling protocol for pipes. This would require camera equipment
not part of the original scope of services.

Where condition data did not exist, AMEC worked under the assumption that the distributions
from other structures could be averaged to estimate condition. As the condition distributions
were similar for catch basins and manholes, this assumption may be safely applied to outfalls.

The assumption was also applied to sewer lines though this may be a weaker assumption. If the
distributions are updated in the “Extrapolations” worksheet then the pricing information will
update accordingly. Therefore a CSO and Storm Sewer pipe adjustment factor was supplied as
shown on the right of the spreadsheet. These factors are NOT changed on this sheet but on the
Cost Summary sheet at the end of the workbook. Only the values are shown here. Changing
these values will reapportion the condition information applying only that fraction of the factor to
the three conditions: “Very Poor”, “Poor” and “Fair”. For example using a 0.75 factor reduces
each of these three conditions by 25% of their original value and reapportions that number of
structures and percentage to the “Good” and “Very Good” categories where no cost is
attributed.

Pricing
The distribution information is applied equally among each set of attributes to further partition
structure information. For example, 554 of the 1846 manholes had a depth of 0-6 feet. Of those
1846, 1216 manholes had an exit pipe (i.e. largest pipe touching) diameter greater than 8
inches and less than or equal to 18 inches. Of those 1846 manholes, 23 should be considered
in poor condition. Conditions of Good and Very Good were not included as AMEC assumed that
no repair or replacement would need to occur for those conditions.

Cost information was developed by Woodard & Curran and entered in the red boxes associated
with that type of structure. For example, the replacement cost of $4,000 for a manhole 0-6 feet
deep with an exit pipe diameter of less than or equal to 8 inches with a condition of “Poor” was
entered into cell ‘F7.’ Once unit costs were entered, total costs were calculated for each
structure type in the distribution.

 3
Cost Summary
These totals were summed on the final worksheet, “Cost Summary.”

Program Costs
This is the program cost spreadsheet from the DIMS study. It has been modified to reflect
several major changes based on Woodard & Curran input. The changes are highlighted in
yellow and include: street sweeping, catch basin cleaning, and public involvement and
education.




 4
 ATTACHMENT B: COST ESTIMATE WORKSHEETS




City of Portland (222804.25) March 2011
Stormwater Utility Program Cost Analysis
 CLIENT City of Portland

 PROJECT Stormwater Assets Inventory

41 Hutchins Drive DESIGNED BY ZH DATE 1/21/2011
Portland, Maine 04102 COST BY MRD DATE 1/21/2011
Tel. 207-774-2112 CHECKED BY ZH and DS DATE
 PROJECT NO. 222804.25



Stormwater Infrastructure Maintenance - Opinion of Probable Cost



 Unit Unit Cost
 Notes

Pipe Replacement For each pipe size range, the upper end of the size range is used
Pipe Diamenter <8-in LF $ 130.00 for cost determination. Exception for pipe sizes greater than 18",
Pipe Diamenter 8-in to 18-in LF $ 150.00 where 36" diameter is used.
Pipe Diamenter >18-in LF $ 240.00 8" to 18" diameter pipe assumed to be PVC. RCP is assumed
 material for pipe diameters greater than 18".
 If location of old pipe is within 4' horizontal of excavation of new
 pipe, cost of demolition of old pipe is considered incidental to the
 cost of new pipe.
 No structural rock removal is anticipated.




 Unit Unit Cost
 Notes

Structure Replacement Structure Replacement cost includes all appurtenances (barrel
Catch Basin, 48-in Diameter section, cone section, brick riser, frame and grate or cover).
 Depth to invert <=6ft EA $ 3,700.00 If the center of the old manhole is within 8' horizontal of the center
 Depth to invert >6ft EA $ 6,000.00 of the new manhole, cost of demolition of old manhole is
Manhole, 48-in Diameter considered incidental to the cost of new manhole.
 Depth to invert <=6ft EA $ 4,000.00 Catch Basin replacement assumes re-use of existing granite curb
 Depth to invert >6ft EA $ 6,500.00 sections.
 Replacement of brick riser only assumes re-use of existing
Brick Riser Replacement EA $ 1,000.00 frame/cover.
 Replacement of brick riser only assumes 3-layers of brick.

 No structural rock removal is anticipated.



 Unit Unit Cost
 Notes

Pipe Maintenance
Cured in place pipe (CIPP), <8-in LF $ 70.00 CIPP cost estimate on City of Portland information.
Cured in place pipe (CIPP), 8-in to 18-in LF $ 110.00 CIPP cost includes flaggers and traffic control
Cured in place pipe (CIPP), >18-in LF $ 370.00

Jetting LF $ 0.50 Jetting cost provided by City of Portland




Additional Assumptions:
 Unit costs provided for this estimate are installed costs based on those presented for projects recently completed in Portland, Maine.
 Maintenance costs are not included at this time
 All structure and pipe installation, invert fabrication, and materials are in accordance with City of Portland Design Standards
For Pipe Replacement, the following are included in the linear foot cost:
 Pavement Demolition Reset Type 1 Curb
 Pipe bedding Insert-A-Tee Pipe
 Granualar Borrow White or Yellow Paint Pavement Marking Line
 Test Pit Excavation Dust Control
 Crushed Stone (Overdepth) Density Test
 Earth Excavation (Overdepth) Flaggers
 Trench paving Traffic
 Altering Existing Catch Basin or Manhole Erosion Control
 Non-Structural Maintenance Cost Estimates




41 Hutchins Drive CLIENT Portland, ME DATE 1/21/2011
Portland, Maine 04102 PROJECT Portland Stormwater DATE 1/21/2011
Tel. 207-774-2112 DESIGNED BY ZLH DATE 1/21/2011
 COST BY AJM SHEET NO. 1 of 1
 CHECKED BY ZLH
 PROJECT NO. 222804.25



Compliance Street Sweeping Cost Estimates

 STREET SWEEPING ASSUMPTIONS
 13 Lane-miles per day 290 CY disposed annually
 2 No. of operators 12 CY disposed per trip
 $23.99 Hourly Labor Rate $149 per CY disposed


CAPITAL OPERATIONS AND MAINTENANCE

Equipment & Maintenance Unit Cost per Hour Hours per Event O&M Cost per Event Annual O&M Costs
Tymco 500x Street Sweeper $ 85.00 95 $ 8,107.69 $ 32,430.77
Disposal 6 $ 10,911.19 $ 43,644.76
 Annual Capital Replacement and Maintenance $ 76,075.53
SWEEPING LABOR

 Annual Sweeping
 Lane-Miles Labor Cost per Event
 Labor Costs
Town & State Roadways under responsibility of City 124.0 $ 4,576.55 $ 18,306.22

 Annual Street Sweeping Labor $ 18,400.00

 TOTAL ANNUAL STREET SWEEPING COSTS $ 94,475.53



Cost Analysis Assumptions:
  1. Annual Street Sweeping Costs assume quarterly sweeping of all town- and state-owned roadways within impaired watersheds.
  2. Capital Operations and Maintenance Costs have been normalized by the City of Portland and incorporated into an hourly rate of use.
  3. Costs apply to sweeping of Town- and State-owned roads only.
  4. Town and State roadway miles per GIS analysis. Two (2) lane-miles assumed per mile of roadway.
  5. Ten (10) -hour work days.
 Non-Structural Maintenance Cost Estimates




41 Hutchins Drive CLIENT Portland, ME DATE 1/21/2011
Portland, Maine 04102 PROJECT Portland Stormwater DATE 1/21/2011
Tel. 207-774-2112 DESIGNED BY ZLH DATE 1/21/2011
 COST BY AJM SHEET NO. 1 of 1
 CHECKED BY ZLH
 PROJECT NO. 222804.25



Catch Basin Cleaning Cost Estimates

 Annual CB
 No. Catch Basins Cost per Catch Basin Cost per Event
 Cleaning Costs
Catch Basin Cleaning 3111 $ 83.96 $ 261,199.56 $ 261,199.56

 TOTAL ANNUAL CATCH BASIN CLEANING COSTS $ 261,199.56



Cost Analysis Assumptions:
  1. Assumes 1/2 catch basins are cleaned annually.
  2. Catch basin cleaning unit cost includes labor, equipment and disposal costs - as provided by City of Portland.
  3. Number of catch basins were determined using GIS database.
  4. Costs apply to catch basins located within the City of Portland or State roadway ROW only.
 City of Portland Public Services
 Stormwater Maintenance Cost Estimates
 January 2011
 Equipment Materials Cost Per Linear Foot
 Task Man Hours Labor Cost Cost Cost (Estimated) Total Repair Cost Assumptions
 Parging Brick / Manhole Riser 16 $381.44 $276 $150 $807.44
 Replace Cover 4 $95.36 $50 $130 $275.36
 Replace Headstone 40 $953.60 $680 $500 $2,133.60
 Install Casco Trap 8 $190.72 $100 $300 $590.72
 Parging Barrel / Shelf (Cracks / Loose Brick) 24 $572.16 $400 $200 $1,172.16
 Daily rate and cost per
 Televise (Daily Rate) 20 $580.80 $248 $0.75 $828.80 linear foot.
 Jetting $0.50 City jet vactor cost.

 City estimate for repair
 does not include
Outfall Maintenance (plunge pool touch up and erosion control) $1,500 permitting.
 City estimate for
 replace does not
Outfall Replacement (plunge pool rebuild and erosion control) $2,000 include permitting.

Note: Cost estimates provided by City of Portland Public Services Staff.
Labor Assumptions: Assumes based labor rate and fringe benefits.
Equipment Costs: Based on 2010 FEMA schedule.
Materials Costs: Supplier costs for materials.
 ATTACHMENT C: FIELD DATA COLLECTION FORMS
 (ADAPTED FROM CITY OF PORTLAND)




City of Portland (222804.25) March 2011
Stormwater Utility Program Cost Analysis
 Asset Attribution Inspection
 (W&C Modified 11-18-2010)
Date & Time: Work Order #: [WorkOrderID]

MM/DD/YYYY N/A


Inspector: Asset ID: [EntityUIDs
W&C
City of Portland City Unique Identifier


Vehicle: Location: [EntLocation]
N/A Street Name



Catchment: Grate Type (Circle One):
N/A
 Cast Iron, Cascade, Beehive, Other


Grade: Ring Material: Barrel Block, Brick, Precast,
 Other
 Above At Below

 Basin Material: Stone, Brick, Concrete, Other
Headstone (Circle One): Trap/Hydrobrake: Yes or No

 4 Foot 6 Foot


Rim to Invert: Pet Waste (Amount):
Inches Number of Bags



Needles (Number): Photo ID:
Number of Needles We have taken one photo of Asset ID
 number externally
 Then one internally
 Asset Attribution Inspection
 (W&C Modified 11-18-2010)


 Feature Condition
 0-5
 Rationale: 4 or 5 used to indicate if a
Cover/Grate replacement cover is necessary due to
 incorrect cover type as well as condition of
 cover.
Frame Type: 0-5
Cast Iron or Other
 0-5
 Rationale: 3 indicate parging or other
Ring Type:
 simple maintenance, 4 or 5 indicates saw
Barrel Block, Brick, Precast, Other
 cut, removal and replacement of entire
 riser structure.
Rungs Type: 0-5
Cast Iron, Steel, Plastic, Aluminum, Brick
Basin Type: 0-5
Stone, Brick, Concrete, Other
 0 (Abandoned/NA), 1 (Good), 3 (Replace),
Trap: Yes or No
 5 (Install) Rationale: If no trap then install.
Hydrobrake 0-5
Invert Out Type: 0 (Abandoned/NA)
 Brick, Asbestos Concrete Pipe, Cast Iron 1 - Good
Pipe, Corrugated Metal Pipe, Ductile Iron 3 - TV or inspect
Pipe, High Density Polyethylene Pipe, 5 - Replace
Polyvinyl Chloride, Reinforced Concrete Rationale: If any indication of issue then 3
Pipe, Vitrified Clay Pipe, Wood even in underdrain or pipe connections.

Invert Depth: Inches N/A

Headstone Type: 4 foot or 6 foot 0-5
Overall Structure Condition: 0-5
Rationale: 4 or 5 indicate replace entire
structure, 3 indicate that some level of
service is needed, 1-2 means okay. If any of
the individual structural condition
assessment was a 3, 4 or 5 then this should
be at least a 3.
 Yes or No
IDDE Rationale: Indicates if IDDE inspection is
 required at this location
 Asset Attribution Inspection
 (W&C Modified 11-18-2010)
Comments:




Number of buckets removed: N/A


Grade Condition Description
 0 Abandoned No longer in service
 1 Very Good Operable and well-maintained
 2 Good Superficial wear and tear
 3 Fair Significant wear and tear; minor deficiencies
 4 Poor Major deficiencies
 5 Very Poor Obsolete
 Manhole Asset Attribution Inspection
 (W&C Modified 11-18-2010)


Date: Inspector & Vehicle: Asset ID:
 W&C City Unique Identifier
MM/DD/YYYY City of Portland
Location: Work Order #:
Street Name N/A

 Feature Attribute Condition Rating

Cover Size: (inches) N/A

Cover Type: No Hole, 1 Hole, Locking, 0-5
 Perforated Rationale: 4 or 5 used to indicate if
 a replacement cover is necessary
 due to incorrect cover type as well
 as condition of cover.
Frame Size: (inches) N/A

Frame Type: Cast Iron, Other 0-5

Riser Material: Barrel Block, Brick, Precast, Other 0-5
 Rationale: 3 indicate parging or
 other simple maintenance, 4 or 5
 indicates saw cut, removal and
 replacement of entire riser
 structure.
Barrel Material: Stone, Brick, Concrete, Other 0-5

Barrel Size: (inches) N/A

Rung Material: Cast Iron, Steel, Plastic, 0-5
 Aluminum, Brick
Shelf Material: Brick, Cast in Place Concrete, 0-5
 Fiberglass, Other
Invert Material: Brick, Asbestos Concrete Pipe, 0-5
 Cast Iron Pipe, Corrugated Metal
This is the condition of the pipe Pipe, Ductile Iron Pipe, High
out of the manhole visible from Density Polyethylene Pipe,
the structure Polyvinyl Chloride, Reinforced
 Concrete Pipe, Vitrified Clay Pipe,
 Wood
Depth From Rim To Invert: (inches) N/A

Surcharge: Yes or No N/A

Rim To Surcharge: (inches if applicable) N/A
 Manhole Asset Attribution Inspection
 (W&C Modified 11-18-2010)
Exterior Photo ID: We have taken one photo of Asset N/A
 ID number externally
Interior Photo ID: Then one internally N/A

Overall Structural Condition Rationale: 4 or 5 indicate replace 0-5
 entire structure, 3 indicate that
 some level of service is needed, 1-
 2 means okay. If any of the
 individual structural condition
 assessment was a 3, 4 or 5 then
 this should be at least a 3.
IDDE Yes or No N/A
 Rationale: Indicates if IDDE
 inspection is required at this
 location
Notes
 Outfall Attribution Inspection
 (W&C Created 11-18-2010)


Date: Inspector & Vehicle: Asset ID:
 W&C City Unique Identifier
MM/DD/YYYY City of Portland
Location: Work Order #:
Street Name N/A

 Feature Attribute Condition Rating

Fortification None, Loose Stone, Rip Rap, 0-5
 Stone Headwall, Concrete Rationale: 3 is maintenance, 4 or 5
 Headwall is rebuild/replace
Outfall Material Type: Brick, Asbestos Concrete Pipe, 0-5
 Cast Iron Pipe, Corrugated Metal Rationale: 3 if minor maintenance
 Pipe, Ductile Iron Pipe, High needed, 4 or 5 used to indicate if a
 Density Polyethylene Pipe, replacement is necessary.
 Polyvinyl Chloride, Reinforced
 Concrete Pipe, Vitrified Clay Pipe,
 Wood
Discharge Environment: Plunge Pool, N/A
 Rip Rap Swale, Rip Rap Apron,
 Rip Rap with Check Dam,
 Open Ditch, Stream
Submerged Outfall: Yes or No N/A

Screen Present: Yes or No N/A

Notes: N/A

Photo ID: One photo taken of outfall with ID N/A
Attachment 4:

Case Studies
BUILDING A WORLD OF DIFFERENCE®




2010
STORMWATER UTILITY SURVEY
Sponsored and administered by
B&V Management Consulting.
 2010 Stormwater Utility Survey

 Table of Contents




Introduction...................................................................................................................................... 2


Organization/Administration............................................................................................................ 4


Planning............................................................................................................................................ 5


Operations........................................................................................................................................ 5


Finance/Accounting.......................................................................................................................... 6


Stormwater User Fees and Billing................................................................................................... 7


Quality Issues/Best Management Practices................................................................................... 12


Public Information/Education...........................................................................................................14


Major Challenges Recently Faced................................................................................................... 15


Significant Events Affecting Utilities in the Past Two Years..........................................................15




BLACK & VEATCH/B&V Management Consulting
BUILDING A WORLD OF DIFFERENCE®

Black & Veatch is pleased to present the results of its eighth national Stormwater Utility Survey.
The primary objectives of the bi-annual survey are (i) to provide valuable benchmark information
on a multitude of parameters specific to stormwater utility operations and user fee programs, and
(ii) to help those involved with stormwater utilities stay well-informed regarding stormwater utility
management issues and trends.

Survey Overview
u Organization/Administration 		 u Stormwater User Fees and Billing		
u Planning				 u Quality Issues/Best Management Practices
u Operations				 u Public Information/Education		
u Finance/Accounting			 u Major Challenges/Events Affecting Utilities

 Profile of Respondents
The survey was conducted online during fall of 2009. The profile of the respondents is as follows:
u Responses were received from 70 utilities u For those utilities that base charges on
in 20 states. All of these utilities are funded in gross property area, an Equivalent Residential
whole or in part through user fees.		 Unit (ERU) ranged from 2,090 square feet to
u Approximately 81% of the respondents 14,500 square feet of total parcel area, with a
serve a city, rather than a county or region. mean of 7,253 square feet. For those utilities
u The population served by the respondents that base charges on impervious area, an ERU
ranges from 5,800 (Fort Meade, FL) to 4 million ranged from 305 square feet to 3,600 square
people (Los Angeles, CA) and the area served feet of impervious area, with a mean of 2,453
varies from 6 to 2,000 square miles. square feet.



 What’s New
In this 2010 survey we have added questions  associated with the mitigation of combined
pertaining to three additional stormwater sewer overflow (CSO) issues, we added three
related issues, namely: questions to our survey on this topic. While
u Combined Sewer Overflow (CSO) Mitigation 21% of respondents indicated that their storm-
u Billing System				 water utility is currently dealing with CSO
u Parcel Data Management issues, only 7 percent actually recover the
 costs associated with CSO mitigation in their
CSO Mitigation: As more and more utilities
 stormwater user fee.
are dealing with the regulatory requirements




2 BLACK & VEATCH/B&V Management Consulting
BUILDING A WORLD OF DIFFERENCE®

Billing System: One of the major issues that access to an existing water/sewer utility
needs to be addressed when implementing billing system. In this survey, 64% of the
a stormwater user fee program is defining respondents indicated they use the existing
the billing system that would facilitate storm- water or sewer utility billing system to bill
water user fee billing. Billing stormwater user fees.
user fees through an existing water/sewer
utility billing system is cost effective as the Parcel Data Management: Establishing the
system could be configured with minimum initial master account file for stormwater
programming. Further, this option reinforces user fee billing is a large undertaking.
the principle that a stormwater fee is another However, maintaining the parcel informa-
legitimate utility fee similar to water and tion and updating it periodically to reflect the
sewer fees. However, some utilities have changes that occur to each parcel is even
chosen alternative billing methods due to more of a challenge. Therefore, in this survey,
specific circumstances, such as lack of cross we’ve added several questions related to the
referencing between a parcel location and topic of ongoing parcel data management.
an existing water/sewer account or lack of

 Comparative Results
Black & Veatch has conducted similar It is our hope that the information provided
national stormwater utility surveys since 1991. in this report will be a valuable resource to
Comparisons of current and prior survey results those involved in the stormwater industry.
provide insights into possible industry changes. To learn more about Black & Veatch services,
Look for comparisons of responses to selected please refer to the back cover for contact
questions in the following survey results. information.
Please note, however, that these compari-
sons are not necessarily indicative of trends,
because the respondents may be different.




BLACK & VEATCH/B&V Management Consulting 3
2010 Stormwater Utility Survey

 Organization/Administration

How is your operation organized? /DP
 W /
 ed w Utilit
 y
 tility dw mbin water
 eU e o
50% Separate utility er parat mbin C
 aste
 Oth Se Co W

30% Combined with Dept. of Public Works 2010
11% Combined with wastewater utility
9% Other 2007
 0 10 20 30 40 50 60 70 80 90 100

If organized as a separate utility, does the same governance manage both stormwater
and wastewater?
 No
55% Yes
45% No
 Yes




Is your utility currently dealing with regulatory requirements pertaining to the mitigation
of CSO issues? No
21% Yes
79% No
 Yes




Does your stormwater utility recover costs related to CSO mitigation?
7% Yes No

93% No


 Yes



If yes, what percentage of stormwater costs relate to CSO Issues?
 % OF RESPONDENTS

2% Minimum.....................................................................
100% Maximum....................................................................
46% Average.......................................................................
 0 10 20 30 40 50 60 70 80 90 100


What area does utility serve?
 City
81% City
 County
10% Region
9% County Region




4 BLACK & VEATCH/B&V Management Consulting
 2010 Stormwater Utility Survey

 Planning

What is your NPDES Permit & Permit Status?
Phase 1 (100,000 population and over) % OF RESPONDENTS

84% Application submitted and approved.. .................
16% Application submitted and pending......................
0% Application has not been submitted.....................
 0 10 20 30 40 50 60 70 80 90 100

Phase 2 (under 100,000 population) % OF RESPONDENTS

92% Application submitted and approved.. .................
3% Application submitted and pending......................
5% Application has not been submitted.....................
 0 10 20 30 40 50 60 70 80 90 100

What performance indicators do you consider most important in measuring improvements?
 % OF RESPONDENTS

43% Flood control..............................................................
37% Monitoring pollutants...............................................
23% Customer complaints/satisfaction. .......................
17% Cost control measures. ...........................................
 Respondents were given the opportunity
16% Maintenance. ............................................................ to select more than one response, so
6% Habitat......................................................................... the percentage total is greater than
 100 percent.
6% Erosion control. .........................................................
 0 10 20 30 40 50 60 70 80 90 100

 Operations

What is your utility responsible for? Combined
 Other sewer
76% Stormwater facilities only Both

4% Combined sewer (Sanitary/stormwater) facilities
19% Both
1% Other Stormwater
 Facilities only




Who provides the majority of your stormwater O&M services?

88% “Own Staff” provide majority of services Private Contractors
 Own Staff
6% “Other Governmental Staff” provide majority Government
 of services
6% “Private contractors/agencies” provide majority
 of services




BLACK & VEATCH/B&V Management Consulting 5
2010 Stormwater Utility Survey

 Finance/Accounting

What are your major (at least 90 percent of total income) revenue sourc- es?
80% Stormwater user fee Multiple revenue sources

20% Multiple Revenue Sources


 Stormwater user fee




 et
 et et et me
 me me me ds to ds
How adequate is available funding? e to to
 te ds e
 t t
 to nee te
 a e
 qu t n
 e
 uat s ua ua en de en
 eq d eq ee eq rg t a rg
7% Adequate to meet all needs Ad ll nee Ad ost n Ad ost u No ost u
 m
 a m m
 2007 = 8% • 2005 = 13% • 2002 = 8% 2010
36% Adequate to meet most needs 2007
 2007 = 39% • 2005 = 32% • 2002 = 53%
 2005
47% Adequate to meet most urgent needs
 2007 = 40% • 2005 = 43% • 2002 = 30% 2002

10% Not adequate to meet urgent needs 0 20 40 60 80 100


 2007 = 13% • 2005 = 12% • 2002 = 9%




How is the majority of capital needs financed?
81% Cash financed Other (Capital Needs)
 Stormwater Revenue
 68% From user fees
 GO Bonds
 3% From special tax districts
 Other (Debt Financial)
 10% Other Special Tax Districts

19% Debt financed User fees

 13% From General Obligation (GO) bonds
 3% From Stormwater Revenue bonds
 3% Other




6 BLACK & VEATCH/B&V Management Consulting
 2010 Stormwater Utility Survey

 Stormwater User Fees and Billing

How are user fees billed? % OF RESPONDENTS

75% Included with water/other utility bills. ................
21% Included with tax bills............................................. Respondents were given the opportunity to
7% Special bills............................................................... select more than one response, so the
 percentage total is greater than 100 percent.
3% Other...........................................................................
 0 10 20 30 40 50 60 70 80 90 100

What system do you use to bill user fees? % OF RESPONDENTS

64% Water or Sewer Utility Billing System. ...............
25% Stormwater Utility Billing system.........................
 Respondents were given the opportunity to
22% Property tax billing system. ................................... select more than one response, so the
 percentage total is greater than 100 percent.
8% Geographic Information System (GIS). ...............
3% Other...........................................................................
 0 10 20 30 40 50 60 70 80 90 100

What customer classifications are recognized in you stormwater fee structure?
 % OF RESPONDENTS

90% Residential. ...............................................................
76% Commercial...............................................................
53% Industrial....................................................................
34% Combined commercial/industrial. ........................ Respondents were given the opportunity
 to select more than one response, so
34% Other........................................................................... the percentage total is greater than
 100 percent.
9% No designation.........................................................
 0 10 20 30 40 50 60 70 80 90 100

Are rates the same for all service areas or watersheds?
93% Yes
7% No Yes
 No




Are user fees for single family dwellings the same as for individual multiple residential
units (e.g., apartments, condos)?
38% Yes Yes
62% No
 No




BLACK & VEATCH/B&V Management Consulting 7
2010 Stormwater Utility Survey

 Stormwater User Fees and Billing (continued)

Were fee rates revised in last 12 months?
43% Yes Yes
57% No
 No




What are user fees designed to pay for? Operations & maintenance
90% Both operation & maintenance expenses,
 capital improvements
10% Operation & maintenance expens- es
 only Both




What is the basis for your user fees? Other
55% Impervious Area Both
7% Gross area with intensity of
 development factor
3% Gross are with runoff factor Gross Area with runoff
 Impervious Gross Area with intensity
29% Both impervious and gross areas of development factor
6% Other


What principal resource(s) are employed to create and maintain customer data base
used to compute charges?
 % OF RESPONDENTS

73% Property tax assessor records .............................
68% Geographic Information System (GIS) ................
63% Aerial Ortho Photographs......................................
43% Onsite property measurement..............................
22% Planimetric map take-offs ..................................... 72% of responding utilities utilize two or more of
 these resources.
20% Other...........................................................................
 0 10 20 30 40 50 60 70 80 90 100




8 BLACK & VEATCH/B&V Management Consulting
 2010 Stormwater Utility Survey

 Stormwater User Fees and Billing (continued)
Portland OR ...........................................................................19.80
Seattle WA ...........................................................................16.85
Redmond WA ........................................................................16.56
Bellevue WA ........................................................................14.77
Fort Collins CO ......................................................................14.26
Des Moines WA ..................................................................12.24
Everett WA ...........................................................................11.03
Palo Alto CA ..........................................................................10.95
Philadelphia PA ....................................................................10.80
Springfield O R ........................................................................8.63
Gresham OR ............................................................................8.60
Loveland CO ............................................................................8.30
Edgewater F L .........................................................................8.00
Pierce County WA ..................................................................7.79
Gainesville FL..........................................................................7.65
Sarasota County FL................................................................7.55
Longmont CO..........................................................................7.13
Aurora I L .................................................................................7.00
Charlotte NC ...........................................................................6.20
Duluth MN...............................................................................6.08
Lenexa KS................................................................................ 6.00
Cape Coral FL..........................................................................6.00
St. Paul MN.............................................................................5.93
Tulsa OK ...................................................................................5.27
Medford OR .............................................................................5.20
San Clemente CA ...................................................................5.02
Bloomington MN....................................................................5.01
Ocala F L ..................................................................................5.00
Corvallis OR .............................................................................4.98
Wilmington DE ........................................................................4.87
Olathe KS................................................................................ 4.50
Fort Wright KY ....................................................................... 4.47
Griffin GA .................................................................................4.39
Fort Meade FL.........................................................................4.25
Columbus OH..........................................................................4.19
Provo U T .................................................................................4.03 2009 AVERAGE MONTHLY
Raleigh NC ..............................................................................4.00
Dubuque I A ............................................................................4.00 RESIDENTIAL CHARGE
Miami-Dade County FL .........................................................4.00
Lawrence KS ..........................................................................4.00
Freeport IL .............................................................................4.00
Moline IL .................................................................................3.75
Rockledge FL ..........................................................................3.75
Bedford T X .............................................................................3.50
St. Louis MO ...........................................................................3.50
Cedar Rapids IA .....................................................................3.35
Modesto CA ............................................................................3.23
Plano T X ..................................................................................3.10
Mesquite TX............................................................................ 3.00
Tampa FL..................................................................................3.00
Fayetteville N C ......................................................................3.00
Billings MT .............................................................................2.94
Greenville NC .........................................................................2.85
Thurston County WA............................................................2.75
Clark County WA....................................................................2.75
Greensboro NC ......................................................................2.70
Cincinnati OH...........................................................................2.70
Garland TX ..............................................................................2.64
Grand Prairie TX ....................................................................2.50
Kansas City MO .................................................................... 2.50
Wichita KS...............................................................................2.00
Littleton CO .............................................................................2.00
High Point NC .........................................................................2.00
Overland Park KS..................................................................2.00
Lakewood CO .........................................................................1.98
Los Angeles CA .....................................................................1.92
Santa Cruz CA........................................................................1.77
Spokane County WA ..............................................................1.75
Columbia MO..........................................................................1.15
Auburndale FL .........................................................................0.75
 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23


 BLACK & VEATCH/B&V Management Consulting 9
2010 Stormwater Utility Survey

 Stormwater User Fees and Billing (continued)

Who is responsible for payment of user fees? Other
68% Property owner
23% Resident
 Resident
9% Other
 Property
 Owner

How frequently do you bill?
 % OF RESPONDENTS

63% Monthly.....................................................................
23% Annually....................................................................
11% Bi-monthly................................................................
9% Quarterly...................................................................
7% Semi-annually.......................................................... Respondents were given the opportunity to
 select more than one response, so the
0% Other.......................................................................... percentage total is greater than 100 percent.
 0 10 20 30 40 50 60 70 80 90 100

What system do you use to maintain and process customer parcel information?
 % OF RESPONDENTS

55% Geographic Information System (GIS)................
52% Stormwater Utility Billing System........................
41% Water or Sewer Utility Billing System ................
15% Stand-alone Stormwater Database ....................
 Respondents were given the opportunity to
6% Other .......................................................................... select more than one response, so the
1% Property tax assessment system......................... percentage total is greater than 100 percent.
 0 10 20 30 40 50 60 70 80 90 100

What is the level of integration between the multiple systems used to process
parcel/billing information?
 % OF RESPONDENTS

46% Stormwater database integrated with billing system
22% GIS integrated with billing system.......................
19% Stand-alone Stormwater Database.....................
16% Tax system integrated with billing system.........
 Respondents were given the opportunity to
11% Tax system integrated with stormwater database ..... select more than one response, so the
 percentage total is greater than 100 percent.
11% Other ..........................................................................
 0 10 20 30 40 50 60 70 80 90 100




10 BLACK & VEATCH/B&V Management Consulting
 2010 Stormwater Utility Survey

 Stormwater User Fees and Billing (continued)

What is the frequency with which you update customer parcel information such as customer
classes, gross and impervious areas, and stormwater exempt status, etc.
 % OF RESPONDENTS

15% Monthly...................................................................... Respondents were given the opportunity to
3% Quarterly.................................................................... select more than one response, so the
 percentage total is greater than 100 percent.
0% Semi-Annually..........................................................
24% Annually.....................................................................
42% No specified frequency..........................................
3% Other...........................................................................
 0 10 20 30 40 50 60 70 80 90 100


Are credits provided for private detention/retention facilities?
53% Yes % OF RESPONDENTS
 2002
47% No
 2005
 2007
 2010
 0 10 20 30 40 50 60 70 80 90 100
Do you offer credits for any of the following BMPs?
 % OF RESPONDENTS
85% Retention ponds.......................................................
42% Rain gardens. ...........................................................
42% Other...........................................................................
18% Rain barrels...............................................................
 e.g. Bio-retention Swales, Green Roofs, 0 10 20 30 40 50 60 70 80 90 100
 Detention Tanks, Pervious Pavements
 Respondents were given the opportunity to select more than one
 response, so the percentage total is greater than 100 percent.

In your ordinance for new or re-development, do your planning
guidelines allow for credits given for BMPS?
34% Yes
66% No Yes

 No




Have user fees faced a legal challenge?
22% Yes Yes
78% No

 No




BLACK & VEATCH/B&V Management Consulting 11
2010 Stormwater Utility Survey

 Stormwater User Fees and Billing (continued)

How was the challenge resolved? Outcome pending
 Settlement reached
47% Fees sustained
40% No response
 Fees sustained
7% Outcome pending
6% Settlement reached No response
0% Challenge sustained


How is payment enforced? Other

41% Lien on property Shut off
40% Shut off water Water
 Lien on
19% Other (specify) Property



Is a significant share of utility costs attribut- Yes able
to stormwater from outside your service area?
12% Yes
88% No
 No



 Quality Issues/Best Management Practices

Which programs and practices are being using used to protect or improve stormwater quality?
 % OF RESPONDENTS

94% Public education ....................................................
94% Illegal discharge detection ..................................
93% Erosion/sediment controls ...................................
93% Street sweeping .....................................................
88% Inlet stenciling ........................................................
86% Detention/Retention Basins .................................
81% Stormwater quality monitoring............................
75% Commercial/industrial regulation .......................
74% Public volunteer involvement ..............................
71% Residential toxins collection (paint/oil/etc.) .....
59% Constructed Wetlands ..........................................
36% Lawn herbicide/pesticide controls.....................
25% Treatment................................................................. Respondents were given the opportunity to
 select more than one response, so the
7% Other ......................................................................... percentage total is greater than 100 percent.

 0 10 20 30 40 50 60 70 80 90 100




12 BLACK & VEATCH/B&V Management Consulting
 2010 Stormwater Utility Survey

 Quality Issues/Best Management Practices (continued)

Have you installed any of these types of devices in your stormwater conveyance system?

61% Yes No
39% No
 Yes




If yes, what devices were installed? % OF RESPONDENTS

46% Other........................................................................
41% Stormceptor...........................................................
20% Downstream Defend ............................................
 Respondents were given
17% CDS Separator....................................................... the opportunity to select
 more than one response,
15% StormFilter.............................................................. so the percentage total is
12% Vortechnics............................................................ greater than 100 percent.

7% Bay Saver...............................................................
 0 10 20 30 40 50 60 70 80 90 100




Have they met your expectations? Undecided
59% Yes
24% No Yes
 No
18% Undecided




What contaminants are your greatest concern? % OF RESPONDENTS

88% Sediments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
71% Nutrients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52% Pesticides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Respondents were given
 the opportunity to select
52% Oil and Grease. . . . . . . . . . . . . . . . . . . . . . . . . . . . more than one response,
45% Heavy Metals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . so the percentage total is
 greater than 100 percent.
32% Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 0 10 20 30 40 50 60 70 80 90 100




BLACK & VEATCH/B&V Management Consulting 13
2010 Stormwater Utility Survey

 Quality Issues/Best Management Practices (continued)

Is your utility providing end-of-pipe treatment at outfalls into waters of the states or US?
24% Yes Yes
76% No

 No




Are quantity-based user-fee credits provided to encourage customers
to control or reduce stormwater pollution?
78% No Yes
22% Yes
 No




Are quantity-based incentives other than user-fee credits provided to customers to control or
reduce stormwater pollution?
 Yes
83% No
17% Yes
 No




 Public Information/Education

How important is an organized ongoing public information/education effort to the continuing suc-
cess of a user fee funded stormwater utility?
70% Essential Not Necessary

27% Helpful
3% Not necessary Helpful


 Essential




14 BLACK & VEATCH/B&V Management Consulting
 2010 Stormwater Utility Survey

 Public Information/Education (continued)

What means have you found to be most effective in educating the public?
 % OF RESPONDENTS

31% Bill inserts...............................................................
23% Internet ...................................................................
20% Public hearings/presentations...........................
20% Public Schools.......................................................
16% Event Participation/Booth...................................
 Respondents were given
10% Newspaper ............................................................ the opportunity to select
10% Open Houses ......................................................... more than one response,
 so the percentage total is
9% Speakers bureau .................................................. greater than 100 percent.
9% Television................................................................
9% Neighborhood Associations...............................
7% Newsletters............................................................
6% Brochures/flyers ...................................................
6% Direct mail..............................................................
1% Storm Drain Markers ...........................................
 0 10 20 30 40 50 60 70 80 90 100


 Major Challenges Recently Faced
Please identify a major problem or challenge recently faced by your utility.
Financial, Rate, and Billing Related Issues............................................................................................ 21 utilities
Regulatory and Quality Control Compliance.......................................................................................... 10 utilities
Infrastructure Planning Issues. .................................................................................................................. 7 utilities
Public Education............................................................................................................................................ 5 utilities
BMP Compliance........................................................................................................................................... 3 utilities

 Significant Events Affecting Utilities in Past Two Years
Identify two significant events that have positively or negatively affected your utility in the past
two years.
Weather related (heavy rains, storms, drought)..................................................................................... 2 utilities
NPDES compliance..................................................................................................................................... 15 utilities
CIP related (funding, projects started/completed)............................................................................... 14 utilities
User fee related (increases, lack of increases, billing issues).......................................................... 12 utilities
Organization/administrative/staffing changes. ....................................................................................... 4 utilities
Public education/awareness. ..................................................................................................................... 2 utilities
Legal challenges............................................................................................................................................ 1 utilities
Adoption of stormwater ordinances. ........................................................................................................ 1 utilities




BLACK & VEATCH/B&V Management Consulting 15
 Municipal Stormwater Program Financing in Northern New England ~ May 2011

In the winter of 2010-11, USM Muskie School students1 conducted interviews with 11 communities in
Northern New England that are generally recognized as leaders in the development of municipal
stormwater management programs. The broad goals of these interviews were to discover:

 • what has motivated each community to be proactive in its approach to stormwater
 management;
 • what techniques or tools each municipality has used to reduce the impacts of stormwater
 pollution;
 • why each municipality has chosen the particular tools or techniques for stormwater
 management over other possible options; and
 • how each community finances stormwater management.

This research should contribute to a better understanding of how municipal officials in Northern New
England prioritize their stormwater management activities and needs. The data gathered will provide
insight about the role local regulations play in effectively managing stormwater. It will also identify
barriers and incentives for the implementation of low impact development techniques and/or
watershed-based management tools.

Ultimately, the researchers hope the information gained from this effort will result in a summary of
effective approaches for managing stormwater pollution while identifying any additional tools that
could be useful to municipal stormwater program managers. Before the research findings are published,
they will be shared with each municipality that has participated in the interviews to ensure all data has
been accurately recorded.

Fourteen survey questions were developed through an extensive review process with some of Maine’s
prominent stormwater professionals to summarize relevant aspects of municipal stormwater
management programs. The following three questions were specific to stormwater program financing:

 • How does your municipality currently pay for the operation & maintenance of stormwater
 infrastructure and what is the total operating budget including any allocations for capital
 improvements?

 • Do these funding sources adequately cover stormwater system O&M and capital costs and if not
 has the community been able to determine the approximate funding gap?

  Has your community considered other funding mechanisms (e.g., stormwater utilities,
 impact fees, compensation fee utilization plans)?



1
 Keisha Payson, Bowdoin College Sustainability Coordinator
 Rod Melanson, Town of Topsham Natural Resources Planner
 Doug Roncarati, City of Portland Stormwater Program Coordinator
 Fred Dillon, City of South Portland Stormwater Program Coordinator
 • Does the municipality have enough understanding of its existing stormwater infrastructure to
 establish a process for considering or anticipating future infrastructure needs and associated
 costs?

  If so, what does this process entail and is there a related process for prioritizing needs?

The summary of survey results is nearly completed and still needs to be vetted with all study
participants. However, the following trends have emerged with respect to stormwater program
financing:

 • The primary financing strategies used by the municipalities include sewer user fees, general
 fund revenues and stormwater utilities (there were also a few cases where impact fees were
 used).

 • Most municipalities have a fairly good idea of their current annual O&M costs though are less
 certain of the proportions of these costs from various program elements (e.g, planning &
 development review, construction inspection, noncompliance enforcement, etc.).

 • Many municipalities have not yet identified their future capital needs but are currently working
 to improve their understanding of the various cost components.

 • Most municipalities currently generate enough revenue to meet their basic MS4 permit
 requirements but not to meet their future anticipated capital replacement needs (particularly
 given regulatory uncertainties).

 • Most municipalities have a fairly good understanding of their stormwater infrastructure – at
 least in terms of where it is as identified by GIS; their understanding of infrastructure conditions
 is less certain though many are actively working to develop asset management and tools.

The full summary of survey results should be available by early June. If there are other questions
specifically related to stormwater program financing that would be helpful to Portland’s Stormwater
Funding Task Force, the researchers can inquire about them during the review process. For suggestions
or more information please contact Fred Dillon at 321-9437 / fdillon@southportland.org.

MINUTES
 Sustainable Storm Water Funding Task Force
 May 17, 2011
 City Hall, Room 209, 12:00 PM – 1:30 PM

The Task Force introduced themselves. All members were present except for Peter Gellerson, Dennis
Martin, and John Cannell. Staff in attendance including Houseal, Bobinsky, Earley, Roncarati. Barry
Sheff of Woodard and Curran also in attendance.

Suslovic a meeting of interested parties related to snow hauling options. He suggested meeting after
this meeting to discuss. Suslovic also mentioned the sea level rise meeting.

1. Review and approval of the SSWFTF minutes from April 19, 2011



Payne made a motion to approve the minutes. Robinson seconded. Unanimously approved.



2. Presentation and discussion of Portland’s Waste Water and Storm Water Costs



Suslovic summarized the previous meeting. Bobinsky stated that there would be an informational
meeting on the Tier III plan for the business community on Friday.



Houseal presented the information on storm water costs to the Task Force. There were questions on the
Storm Water Operation Expenses slide. The question was raised whether the column titled “estimated
additional storm water expenses needed for a segregated storm water fund” were future storm water
operating costs. Houseal stated that the column did not represent future storm water operating costs.



Bohlen requested that the Task Force was shown now much the sewer fund would decrease if the storm
water operations were put into a separated storm water fund and how that might effect sewer rate
payers.



Payne pointed out that future storm water compliance costs and CSO program costs beyond Tier III are
unknown and represent a cost not presented. These costs would impact rates in the future.
3. Confirm Date for Next Meeting: The next meeting is currently scheduled for June 21, 2011



4. Adjourn