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Stormwater Info

MS4 Storm Water Annual Report Draft (2023)

MS4 Storm Water Annual Report Draft (2022)

MS4 Storm Water Annual Report Draft (2021)

MS4 Storm Water Annual Report Final (2020)

In accordance with the requirements of the CT DEEP General Permit for the Discharge of Stormwater from Small Municipal Separate Storm Sewer Systems, residents of the Town of Portland are hereby informed that a draft pdf of the 2023 MS4 Annual Report, which summarizes municipal stormwater compliance activities conducted within the Town of Portland during the calendar year 2023, will be posted on the town website on or before June 5, 2024, for a forty-five-day public review and comment period prior to the draft being finalized and submitted electronically to the CT DEEP on or after April 01, 2021. Residents are hereby encouraged to review the report and submit written comments between June 5, 2024 and June 30, 2024. All comments should be addressed to Wade Thomas, Town MS4 Consultant at

Storm Water Management Plan 

Preventing Stormwater Pollution 

MS4 Annual Report Transmittal Form (2020)

Stormwater Info
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