Stormwater and Stratham's MS4 Permit

The Town of Stratham is required to comply with the US Environmental Protection Agency (EPA)'s New Hampshire Small MS4 General Permit.  This page has been compiled to illustrate the Town's compliance with this permit as well as to provide educational materials to the residents of Stratham... we all play a role in assisting with compliance!

Public comment on Stratham's Stormwater Management Program is accepted on an ongoing basis. The document is available for review here:  SWMP.  Comments should be directed to the Town Planner by letter or email to

What areas of Stratham are regulated by this permit?  Click on the following to see Stratham's MS4 area - VIEW MAP

Did Stratham file a Notice of Intent (NOI)? YES!     VIEW NOTICE OF INTENT

Did Stratham receive authorization? YES!     VIEW AUTHORIZATION

See details below on how Stratham is complying with the Minimum Control Measures of the permit: 

MCM # 1, Public Education and Outreach: Please click on the following links for tips on how you can prevent stormwater pollution!

 Grass and Fertilizer      Pet Waste      Yard Waste      Septic Maintenance

MCM # 2, Public Involvement and Participation

  • Household Hazardous Waste Day:  Stratham participates in one annual event that is held in the fall at the Town of Exeter Public Works. Residents must store their HHW materials until the events are held.
  • Stratham hosts a Community Clean-up Day each May.  This fun, family-friendly event is an annual success!  A big thank you to all who participate!

MCM # 3, Illicit Discharge Detection and Elimination (IDDE) Program

Illicit Discharge Detection and Elimination Plan (Year 2)

Outfall Ranking     Outfall Map with Catchments

Catch Basin/Outfall Inventory Data Collection Form      Chain of Custody Form

MCM # 4, Construction Site Stormwater Runoff Control

Stratham's Stormwater Regulations are Addendum C of the Site Plan Review Regulations.

The fact sheets below contain information on the US Environmental Protection Agency (EPA) National Pollutant Discharge Elimination System Construction General  Permit (CGP) and general construction best management practices. Though the fact sheets cover several important requirements from the CGP, please see EPA’s CGP webpage to learn more about the other permit requirements.

EPA Construction General Permit for Construction Sites Fact Sheet

Construction Site Erosion and Sediment BMPs Fact Sheet

MCM # 5, Stormwater Management in New Development and Redevelopment

MCM # 6, Good Housekeeping for Municipal Operations

Click on the facility name to view the Stormwater Pollution Prevention Plan.

Public Works Facility     Stratham Hill Park     Transfer Station


    MS4 Year 1 Annual Report     MS4 Year 2 Annual Report      MS4 Year 3 Annual Report

    MS4 Year 4 Annual Report     MS4 Year 5 Annual Report

   ****NOTE: This page will be updated continuously as more information is made available in accordance with the permit term.*****