NPDES / Stormwater Management Program
As part of the Environmental Protection Agency (EPA) National Pollutant Discharge Elimination System (NPDES) permitting program, the Town is required to take steps to reduce the impact of stormwater pollution. The Town of Watertown stormwater drainage system operates as a Municipal Separate Storm Sewer System (MS4) under this permit.
The Town’s program includes the following elements:
- Public Education
- Public Involvement
- Illicit Discharge Detection and Elimination (IDDE)
- Construction Runoff Control
- Post-Construction Stormwater Management
- Pollution Prevention
2016 General Permit
The EPA issued a new, updated general permit effective July 1, 2018. This permit replaces the 2003 permit and contains updated and new requirements that the Town will have to meet. The entire contents of the permit are available at the EPA’s web-site.
The City's Stormwater Management Plan has been updated through September 2021.
View our Year 3 Annual Report here: Annual Report
View our Year 2 Annual Report here: Annual Report
The Stormwater Management Plan has also been updated to reflect changes made to-date: Watertown Final SWMP - Sept 2020
DPW provided updates on implementation of Year 2 permit requirements to the Stormwater Advisory Committee at their February 19, 2020 meeting.
The Town submitted its annual report for year one to the EPA.
The final Stormwater Management Plan (SWMP) is available here:
The Town is developing an updated stormwater management plan which outlines the steps the Town will take to comply with the new permit requirements in greater detail than in the Notice of Intent (NOI).
View the draft Stormwater Management Plan (SWMP):
Comments on the draft SWMP will be accepted through May 15, 2019. Please submit comments to email@example.com. When submitting comments please reference "Stormwater Management Plan" in subject line of email.
On October 1, 2018, the Town submitted a Notice of Intent (NOI) for coverage under the 2016 permit. The NOI contains basic information about the Town’s stormwater system and a general outline of steps the Town will take to comply with the new permit requirements.