Notice of Availability of Draft National Pollutant Discharge Elimination System (NPDES) Massachusetts Small Municipal Separate Storm Sewer Systems General Permit

The Regional Administrator, U.S. Environmental Protection Agency--Region 1 (EPA), is providing a Notice of Availability for the Draft National Pollutant Discharge Elimination System (NPDES) Massachusetts Small Municipal Separate Storm Sewer System General Permit (MA MS4 GP) for discharges to certain waters of the Commonwealth of Massachusetts. This Draft NPDES MA MS4 GP ("Draft GP") establishes Notice of Intent (NOI) requirements, permit eligibility requirements, and conditions and practices for the management of stormwater discharges from small MS4s. The Draft GP is available on EPA Region 1's website at https://www.epa.gov/npdes-permits/massachusetts-small-ms4- general-permit and at www.regulations.gov, Docket No. EPA-R01-OW-2024- 0493. The Fact Sheet for the Draft GP sets forth principal facts and the significant technical and legal issues considered in the development of the Draft General Permit and is also available at this website.