Resources for Somersworth
Permittee-specific resources created to assist Somersworth in completing MS4 permit requirements.
Hot Spot Mapping Data
- Pollutant Load Summary Spreadsheet
- Prioritized Load Summary Spreadsheet
- Priority Ranked Parcel Summary Report
- Inventory and Priority Ranking Spreadsheet
Appendix H
Nitrogen:
- Appendix H: NSIR Attachment A – Raw Municipal and Private Parcels in MS4 Area
- Appendix H: NSIR Attachment C – Identification, delineation and prioritization of potential catchments with high nitrogen loading
- Appendix H: NSIR Attachment D – Identification of potential retrofit opportunities or opportunities for the installation of structural BMPs during redevelopment
Phosphorus:
- Appendix H: PSIR Attachment A – Raw Municipal and Private Parcels in MS4 Area
- Appendix H: PSIR Attachment C – Identification, delineation and prioritization of potential catchments with high phosphorus loading
- Appendix H: PSIR Attachment D – Identification of potential retrofit opportunities or opportunities for the installation of structural BMPs during redevelopment
Industrial Facilities
NOI Data
Water Quality Data
MS4 Regulated Area Maps
Hot Spots Guidance
Hot Spots Guidance
Learn how to use the permittee-specific spreadsheets with this workshop: "Using Hot Spot Data and Reports for MS4 Compliance Workshop" (November 19, 2021):