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NPDES Permits in New England

Regulated Communities in Massachusetts

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Map of Massachusetts communities automatically-designated by the Phase II Rule and applicable watershed-based Small MS4 General Permits (PDF) (1 pg, 2.1 MB)

Map of Regulated MS4 Areas in Massachusetts. Click here for a larger image.

Community-Specific Information

Click On:

  • "Regulated Area Map" to view a community-specific map showing the geographic extent of draft permit coverage according to Urbanized Area delineated by the 2010 Census
  • "IC Map" to view a community-specific map showing the geographic extent of permit coverage and impervious area (IA) in PDF format
  • "IC Stats" to view community-specific statistics of impervious area (IA) and Directly Connected Impervious Area (DCIA) in Excel format
  • "NOI" to view an Operator's NOI (once available) in PDF format
  • "Reports" to view an Operator's annual reports (once available) in PDF format

* Information in grey-scale not yet available

Visit MassDEP's website to search surface water quality maps related to 305(b)/303(d) waters in Massachusetts.

Non-Traditional MS4s

Traditional MS4s

  • Comprehensive IC Statistics (Excel) (14.8 MB)
    View a comprehensive list of impervious area (IA) and Directly Connected Impervious Area (DCIA) statistics for all regulated communities


Non-Traditional MS4s

  • Barnes Air National Guard Base
    • NOI | Reports:
  • Bridgewater - Correction Institution
    • NOI | Reports:
  • Bridgewater State College
    • NOI | Reports:
  • Brockton - VA Hospital
    • NOI | Reports:
  • Concord - Correction Institution
    • NOI | Reports:
  • DCAM - Foxborough State Hospital
    • NOI | Reports:
  • DCAM - State Hospital - Medfield
    • NOI | Reports:
  • DOC-Norfolk/Walpole Complex
    • NOI | Reports:
  • DOC-North Central Correctional Center
    • NOI | Reports:
  • DPH-Tewksbury Hospital
    • NOI | Reports:
  • Fall River - State Park
    • NOI | Reports:
  • Framingham - Correction Institution
    • NOI | Reports:
  • Framingham - State College
    • NOI | Reports:
  • Grafton Complex
    • NOI | Reports:
  • Lancaster Complex
    • NOI | Reports:
  • MA Hospital School - Canton
    • NOI | Reports:
  • Mass Bay Community College - Wellesley
    • NOI | Reports:
  • Massasoit - State College
    • NOI | Reports:
  • Miles Standish - State Park
    • NOI | Reports:
  • Mt. Greylock - State Park
    • NOI | Reports:
  • Nickerson - State Park
    • NOI | Reports:
  • Northampton - VA Hospital
    • NOI | Reports:
  • Oakdale Complex
    • NOI | Reports:
  • Pilgrim Memorial - State Park
    • NOI | Reports:
  • Plymouth - Correction Institution
    • NOI | Reports:
  • Qinsigamond - State Park
    • NOI | Reports:
  • Robinson - State Park
    • NOI | Reports:
  • Salisbury - State Park
    • NOI | Reports:
  • Scusset Beach - State Park
    • NOI | Reports:
  • Shirley - Correction Institution
    • NOI | Reports:
  • US Army Soldier System Center - Natick
    • NOI | Reports:
  • Walden Pond - State Park
    • NOI | Reports:
  • Waltham Fernald Center
    • NOI | Reports:
  • Worcester - State College
    • NOI | Reports:
  • Wrentham Development Center
    • NOI | Reports:


You may also request copies of these documents by contacting Glenda Velez (velez.glenda@epa.gov or 617.918.1677).

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