The following are resources to assist NH Municipal Small Separate Storm Sewer System (MS4) communities with meeting the 2003 and 2017 EPA MS4 permit requirements.

Stormwater Tools in New England:

The link below will bring you to the Stormwater Tools in New England webpage.

Seacoast NOI Template and Guidance:

The documents below were produced collaboratively with the Seacoast Stormwater Coalition and Rockingham Planning Commission.  The materials are intended to assist with the preparation of the MS4 NOI for NH Communities.  Please note that some of the information is specific to the communities contained within the Seacoast Stormwater Coalition.

Part II: Summary of Receiving Waters

  • NH MS4 Permit Related Impairments Status Based on NH 2012 303(d) list in 2017 EPA MS4 Permit Based on NH 2012 303(d) list in 2017 EPA MS4 Permit. This is just a spread sheet based on the information in the 2017 MS4 permit indicating what impairments each MS4 has. May be used for initial planning purposes for the Minimum Control Measure #1: Outreach and Education requirements related to impairments. See the 2017 permit for more details about which New Hampshire waterbodies are impaired in the 2012 303(d) list.

Part III: Stormwater Management Program Summary Minimum Control

– Minimum Control Measure 1: Public Outreach and Education

  • Draft Minimum Control Measure MCM #1 (Education and Outreach) Planning Matrix: These are draft back-up documentation and planning for identifying the NH Stormwater Coalition efforts for MCM #1 in your NOI. These are works in progress
    • MS4 #1: Education and Outreach – Part I: Meeting Requirements for Residents and Businesses or Institutions Audiences for Water Quality Limited Waters (Impaired for Phos and Nit) and TMDL Requirements (Bacteria and Phos) – 3 messages per year
    • MS4 #1: Education and Outreach – Part II Meeting Requirements for Developer and Industrial Audiences – 2 messages per audience per permit term (5 years).
    • MS4 #1: Education and Outreach – Part III: Meeting requirements for residents and businesses and institutions with no impairments or TMDLs or miscellaneous overarching campaigns – 2 messages per audience per permit term (5 years).
  • 30 Minute Stormwater Video (2003): Stormwater Runoff – There is No Away”  – Made by and for NH MS4s. Don’t let the date fool you. This still relevant and New Hampshire specific video covers how stormwater runoff can pollute our water and how we can all make simple changes in our lifestyle to help reduce this problem. 

– Minimum Control Measure 2: Public Involvement and Participation

– Minimum Control Measure 3: Illicit Discharge and Elimination (IDDE)

– Minimum Control Measure 4: Construction Site Stormwater Runoff Control

– Minimum Control Measure 5: Post Construction Stormwater Management in New and Redevelopment

– Minimum Control Measure 6: Municipal Good Housekeeping and Pollution Prevention