Reports
Portsmouth Stormwater Annual Reports
- Year 1 Annual MS4 Report 5/1/2018 - 6/30/2019
- Year 2 Annual MS4 Report 7/1/2019 - 6/30/2020
- Year 3 Annual MS4 Report 7/1/2020 - 6/30/2021
- Year 4 Annual MS4 Report 7/1/2021 - 6/30/2022
Portsmouth Stormwater Applications, Programs & Plans
- Stormwater Management Program (SWMP) Report (Updated Sept 2023)
- EPA Approval Letter of NPDES Permit June 2019
- Notice of Intent (NOI) Application September 2018
- Salt Reduction Plan June 2021
- Stormwater Pollution Prevention Plan (SWPPP) January 2009
- Stormwater Pollution Prevention Plan (SWPPP) DRAFT September 2021
- Spill Prevention Control & Countermeasure Plan (SPCC)
- Stormwater Operations & Maintenance Plan DRAFT June 2021
- Low Impact Development - Review of Site Plan Regulations 2022
- Low Impact Development Regulation Assessment Report 2022
- Nitrogen Source Identification Report 2022
Portsmouth Stormwater 2007 Master Plan
Edwards and Kelcey (n/k/a Jacobs Edwards and Kelcey) was selected by the City of Portsmouth through a competitive proposal process to prepare a Stormwater Master Plan to facilitate compliance with the United States Environmental Protection Agency (USEPA) National Pollution Discharge Elimination System (NPDES) Stormwater Phase II regulations. The City is regulated under two distinct components of the Stormwater Phase II regulations: