NPDES MS4 Permit Support Materials

Below are links, documents, and resources related to Southbridge's coverage under the 2016 Massachusetts Small MS4 General Permit:

• Notice of Intent (NOI) (PDF)
• Authorization to Discharge (and EPA concurrence on USFWS ESA Criterion C determination) (PDF)
• Historic Property Screening Results (PDF) (MS4 Appendix D)
• Delegation of Signatory Authority for MS4 Documents (PDF)
• Stormwater Management Program (SWMP) (PDF) - Last Updated September 18, 2019
• IDDE Plan - Last Updated September 21, 2021 (PDF)
• Pamphlet & Flyers:
  • Proper Leaf Litter Disposal Flyer (PDF)
  • Pet Waste Disposal Flyer (English Version) (PDF) | Pet Waste Disposal Flyer (Spanish Version) (PDF)
  • Lawn & Garden Care Tips (PDF)
  • EPA Septic Tank Care Tips (English Version) (PDF) | EPA Septic Tank Care Tips (Spanish Version) (PDF)
• Annual Reports
  • Year 1 Annual Report (May 1, 2018 to June 30, 2019) (PDF)
  • Year 2 Annual Report (July 1, 2019 to June 30, 2020) (PDF) 
  • Year 3 Annual Report (July 1, 2020 to June 30, 2021) (PDF)
• Standard Operating Procedures (SOPs will be linked here as they are finalized)
  • SOP 01 - Dry Weather Outfall Inspection (PDF)
    • SOP 01.1 - Dry Weather Outfall Inspection Form (PDF)
  • SOP 02 - Wet Weather Outfall Inspection (PDF)
    • SOP 02.1 - Wet Weather Outfall Inspection Form (PDF)
  • SOP 03 - Catch Basin Cleaning & Inspection (PDF)
    • SOP 03.1 - Catch Basin Inspection Form (PDF)
    • SOP 03.2 - Catch Basin Cleaning & Inspection Log (PDF)
  • SOP 04 - Site Plan Review (PDF)
  • SOP 05 - Construction Site Inspection (PDF)
    • SOP 05.1 - Construction Site Inspection Report (PDF)
  • SOP 06 - Erosion and Sedimentation Control (PDF)
    • SOP 06.1 - Erosion and Sedimentation Control Inspection Form (PDF)
  • SOP 07 - Fuel & Oil Handling
    • SOP 07.1 - Fuel Delivery Form
  • SOP 08 - Spill Response
    • SOP 08.1 - Spill Response Form
  • SOP 09 - Structural BMPs (PDF)
    • SOP 09.1 - Structural BMPs - Forms
  • SOP 10 - Locating Illicit Discharges (PDF)
    • SOP 10.1 - Illicit Discharge Incident Tracking Form (PDF)
  • SOP 11 - Oil Water Separator Maintenance
    • SOP 11.1 - Oil Water Separator Quarterly Checklist
  • SOP 12 - Pesticides & Fertilizer
  • SOP 13 - Water Quality Screening (PDF)
    • SOP 13.1 - Water Quality Screening Form (PDF)
  • SOP 14 - Municipal Vehicle Wash (PDF)
  • SOP 15 - Private Drainage Connections
    • SOP 15.1 - Private Drainage Inspection Form
    • SOP 15.2 - Sump Pump Inspection Form
  • SOP 16 - Street Sweeping (PDF)
    • SOP 16.1 - Street Sweeping Log (PDF)
  • SOP 17 - Hazardous Materials (PDF)
  • SOP 18 - Winter Road Maintenance (PDF)
  • SOP 19 - O&M of Parks & Open Spaces
    • SOP 19.1 - Inventory of Parks & Open Spaces
  • SOP 20 - O&M of Buildings & Facilities
    • SOP 20.1 - Inventory of Buildings & Facilities
  • SOP 21 - O&M of Vehicles & Equipment
    • SOP 21.1 - Inventory of Vehicles & Equipment