This website is designed to provide outreach and education information on the MS4 Permit requirements for Towns of Allenstown and Pembroke, New Hampshire. Please check back often as the site will be updated when new information becomes available or as we pass permit benchmarks.
Annual Reports now available
The Year 1 Annual Report NH Small MS4 General Permit is now available for viewing:
MS4 documents for both Allenstown and Pembroke available for viewing
MS4 documents have been uploaded for both Allenstown and Pembroke, and can been seen under the Communities section of this website. Documents include the Notice of Intent and related attachments, Stormwater Management Program, and the Illicit Discharge Detection and Elimination Plan.
July 1, 2018
General permits for stormwater discharges from small municipal separate storm sewer systems (MS4) become effective for Allenstown and Pembroke.
October 1, 2018
Notice of Intent (NOI) prepared and submitted to EPA for permit coverage 90 days from the permit effective date.
June 30, 2019
Stormwater Management Plan (SWMP) completed. The SWMP describes and details the activities and measures that will be implemented to meet the terms and conditions of the permit.
September 30, 2019
Annual Report Submittal
Year 1 Annual Report prepared and submitted to EPA within 90 days of the reporting period. The year 1 Annual Report will cover activities undertaken from May 1, 2018 - June 30, 2019.
June 30, 2023
The permit and the authorization to discharge expires at midnight for Allenstown and Pembroke.