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Stormwater Management
Protecting the environment . . . Safeguarding Health and Safety . . .
Correcting our Stormwater Concerns

The City of Troy has adopted a Stormwater Management Utility that will become effective on January 1, 2008. The City of Troy was designated by the Ohio EPA for inclusion into the State’s Stormwater NPDES Phase II Program. This unfunded state program requires that City to perform six (6) minimum controls for the protection of the storm sewer system and the Great Miami River. The City has teamed with the Miami Conservancy District for completion of two (2) of the controls, leaving four (4) for the city to perform.

The costs for the new stormwater Management Program and the costs for the maintenance of the City’s storm drainage system will be funded by the new Stormwater Utility. City Council chose the most common method of developing a Stormwater Utility, the Equivalent Residential User (ERU) Method. The theory behind the ERU method is that the stormwater Utility fees need to be proportionate to the cost of providing stormwater service to all users. The Stormwater Utility fees are based on the amount of impervious area on a property. Impervious areas include but are not limited to areas that have been paved and/or covered with buildings and materials that do not allow natural infiltration. These include but are not limited to concrete, asphalt, rooftop, blacktop, and compacted gravel.

The average square footage of impervious area for residential units in Troy has been determined to be 3,000 square feet. Therefore, one ERU is equal to 3,000 sq. ft.

Monthly rates per ERU have been established through 2017 and are as follows:

2008 - $3.50     2013 - $4.65
2009 - $3.80     2014 - $4.70
2010 - $4.25     2015 - $4.80
2011 - $4.35     2016 - $5.00
2012 - $4.45     2017 - $5.25

Stormwater Management fees will be placed on the city’s monthly utility bill. The bill also identified the number of ERUs that have been determined for your property.

ERU Adjustment
If there are any adjustments to the ERU calculations, the property owner may complete the ERU Adjustment Request Form along with any pertinent information required to reflect the requested adjustment. The Engineering Division will review the request and notify the applicant of any acceptable adjustments within 30 days of receipt of a complete ERU Adjustment Form. The ERU Adjustment Request Form is included in this informational packet.

ERU Credits
City Council recognizes that some non-residential property owners have provided private stormwater management control that exceeds the requirements of the City Design standards. Credits up to 20% may be allowed if the applicant demonstrates significant stormwater control that not only addresses on-site stormwater but significantly improves regional stormwater quality and quantity. Non-residential property owners interested in applying for ERU credits may complete the Stormwater ERU Credit Application and include all pertinent attachments. The Engineering Division will review the application and notify the applicant within a reasonable time of any applicable credits. The Stormwater ERU Credit Application is included in this informational packet.

The following forms are available on the city website www.troyohio.gov and can be filled out, printed and submitted with the appropriate back-up documentation.

City staff is prepared to meet with you and your facility representatives to discuss the purpose of the Stormwater Utility and the City’s designation into the OEPA Stormwater NPDES Phase II program. If you would like to meet with us or if you have specific or general questions about the impervious area calculations for your property, please contact The Engineering Division.

Deborah J. Swan, P.E.
City Engineer
Engineering Division
100 S. Market Street
Troy, Ohio 45373
Tel: 937-339-2641
Fax: 937-440-9423
deborah.swan@troyohio.gov
Resources and Links

The following documents are in PDF format, which requires Adobe Acrobat Reader to view and print. If you do not have Reader installed on your computer, click HERE to download and install a free copy.

The ERU Adjustment and Credit Application forms are 'fillable' online. The filled form cannot be saved on your computer, so please print an additional copy to save for your records.

ERU Adjustment Request Form

ERU Credit Application

Stormwater Brochure