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NPDES Permits in New England

Regulated MS4 in Massachusetts

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

Massachusetts Phase II Automatically Designated Area (PDF) (1 pg, 2.1 MB)

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

All MS4s operated within the regulated area are subject to the Phase II MS4 Program

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

Non-Traditional MS4s


Traditional MS4s

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

  • 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

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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:
  • US Coast Guard Base Cape Cod
    • NOI | Reports:
  • UMASS Amherst
    • NOI | Reports:
  • UMASS Boston
    • NOI | Reports:
  • UMASS Dartmouth
    • NOI | Reports:
  • UMASS Lowell
    • NOI | Reports:
  • Walden Pond - State Park
    • NOI | Reports:
  • Waltham Fernald Center
    • NOI | Reports:
  • Westover Air Force Base
    • 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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