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Regulated MS4 in Massachusetts Communities

You may need a PDF reader to view some of the files on this page. See EPA's About PDF page to learn more.

Map of Regulated MS4 Areas in MassachusettsMassachusetts Phase II Automatically Designated Area (PDF)(1 pg, 2.1 MB, About PDF)

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.

*EPA is taking comments on the Notice of Intent (NOI) documents posted on this website for 30 days from the date of posting, as indicated below (unless otherwise noted). Submit comments to EPA at the following email address: stormwater.reports@epa.gov or at the address below and indicate the NOI you are commenting on.*

Stormwater and Construction Permits Section
Attention Newton Tedder
U.S. Environmental Protection Agency, Region 1
5 Post Office Square, Suite 100
Mail Code OEP06-4

Non-Traditional MS4s


Traditional MS4s

Community-Specific Information

* Information in grey-scale not yet available

  • Acushnet
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Andover
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Arlington
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Avon
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Ayer
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Barnstable
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Berkley
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Berlin
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Blackstone
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Bourne
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Braintree
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Bridgewater
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Brockton
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Brookline
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Carver
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Charlton
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Chelsea
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Cheshire
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Dalton
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Douglas
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Dudley
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Duxbury
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • East Bridgewater
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • East Longmeadow
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Franklin
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Freetown
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Gardner
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Georgetown
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Granby
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Groton
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Groveland
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Halifax
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Hanover
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Hatfield
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Haverhill
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Hingham
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Hopedale
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Hull
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Ipswich
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lakeville
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lancaster
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lanesborough
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lawrence
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lincoln
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Longmeadow
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lowell
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lunenburg
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Lynn
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Malden
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Marblehead
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Marion
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Mashpee
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Mattapoisett
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Maynard
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Medfield
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Mendon
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Milford
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Millville
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Monson
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Nahant
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Needham
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Newbury
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • North Attleborough
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • North Reading
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Norton
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Norwell
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Orleans
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Paxton
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Pepperell
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Rehoboth
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Richmond
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Rowley
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Salem
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Sandwich
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Seekonk
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Sharon
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Shirley
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Somerville
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • South Hadley
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Southwick
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Sterling
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Stoneham
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Stoughton
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Stow
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Swampscott
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Swansea
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Templeton
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Townsend
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Uxbridge
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Walpole
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Waltham
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Watertown
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Wayland
    • Regulated Area Map | NOI (posted 4/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • West Springfield
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Westwood
    • Regulated Area Map | NOI (posted 5/10/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Whitman
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Wilbraham
    • Regulated Area Map | NOI (posted 5/1/19) | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:
  • Woburn
    • Regulated Area Map | NOI | Comments on NOI Received | Response to Comments Received | Authorization Letter
    • Reports:

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Non-Traditional MS4s

  • Bridgewater State University
    • NOI (Posted 5/6/19) | Authorization Letter
    • Reports:
  • Fall River - State Park
    • NOI
    • Reports:
  • Framingham - State College
    • NOI
    • Reports:
  • Grafton Complex
    • NOI
    • Reports:
  • Lancaster Complex
    • NOI
    • Reports:
  • MA Department of Corrections
    • NOI (Posted 4/22/19) | Authorization Letter
    • Reports:
  • MA Hospital School - Canton
    • NOI
    • Reports:
  • Massasoit - State College
    • NOI
    • Reports:
  • Miles Standish - State Park
    • NOI
    • Reports:
  • Mt. Greylock - State Park
    • NOI
    • Reports:
  • Nickerson - State Park
    • NOI
    • Reports:
  • Oakdale Complex
    • NOI
    • Reports:
  • Pilgrim Memorial - State Park
    • NOI
    • Reports:
  • Qinsigamond - State Park
    • NOI
    • Reports:
  • Robinson - State Park
    • NOI
    • Reports:
  • Salisbury - State Park
    • NOI
    • Reports:
  • Scusset Beach - State Park
    • NOI
    • Reports:
  • UMASS Amherst
    • NOI
    • Reports:
  • UMASS Dartmouth
    • NOI
    • Reports:
  • University of Massachusetts - Lowell
    • NOI (Posted 5/6/19) | Authorization Letter
    • Reports:
  • Walden Pond - State Park
    • NOI
    • Reports:
  • Waltham Fernald Center
    • NOI
    • Reports:
  • Wrentham Development Center
    • NOI
    • Reports:
  • Veterans Affairs Boston Healthcare System Brockton Campus
    • NOI (Posted 5/6/19) | Authorization Letter
    • Reports:
  • Veterans Affairs Edith Nourse Rogers Memorial Hospital
    • NOI (Posted 5/6/19) | Authorization Letter
    • 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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