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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 Massachusetts Massachusetts 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.

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 2000 and 2010 Census
"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

Abington
- Regulated Area Map | NOI
- Reports:

Acton
- Regulated Area Map | NOI
- Reports:

Acushnet
- Regulated Area Map | NOI
- Reports:

Adams
- Regulated Area Map | NOI
- Reports:

Agawam
- Regulated Area Map | NOI
- Reports:

Amesbury
- Regulated Area Map | NOI
- Reports:

Amherst
- Regulated Area Map | NOI
- Reports:

Andover
- Regulated Area Map | NOI
- Reports:

Arlington
- Regulated Area Map | NOI
- Reports:

Ashburnham
- Regulated Area Map | NOI
- Reports:

Ashby
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Ashland
- Regulated Area Map | NOI
- Reports:

Attleboro
- Regulated Area Map | NOI
- Reports:

Auburn
- Regulated Area Map | NOI
- Reports:

Avon
- Regulated Area Map | NOI
- Reports:

Ayer
- Regulated Area Map | NOI
- Reports:

Barnstable
- Regulated Area Map | NOI
- Reports:

Bedford
- Regulated Area Map | NOI
- Reports:

Belchertown
- Regulated Area Map | NOI
- Reports:

Bellingham
- Regulated Area Map | NOI
- Reports:

Belmont
- Regulated Area Map | NOI
- Reports:

Berkley
- Regulated Area Map | NOI
- Reports:

Berlin
- Regulated Area Map | NOI
- Reports:

Beverly
- Regulated Area Map | NOI
- Reports:

Billerica
- Regulated Area Map | NOI
- Reports:

Blackstone
- Regulated Area Map | NOI
- Reports:

Bolton
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Bourne
- Regulated Area Map | NOI
- Reports:

Boxborough
- Regulated Area Map | NOI
- Reports:

Boxford
- Regulated Area Map | NOI
- Reports:

Boylston
- Regulated Area Map | NOI
- Reports:

Braintree
- Regulated Area Map | NOI
- Reports:

Brewster
- Regulated Area Map | NOI
- Reports:

Bridgewater
- Regulated Area Map | NOI
- Reports:

Brockton
- Regulated Area Map | NOI
- Reports:

Brookline
- Regulated Area Map | NOI
- Reports:

Burlington
- Regulated Area Map | NOI
- Reports:

Cambridge
- Regulated Area Map | NOI
- Reports:

Canton
- Regulated Area Map | NOI
- Reports:

Carlisle
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Carver
- Regulated Area Map | NOI
- Reports:

Charlton
- Regulated Area Map | NOI
- Reports:

Chatham
- Regulated Area Map | NOI
- Reports:

Chelmsford
- Regulated Area Map | NOI
- Reports:

Chelsea
- Regulated Area Map | NOI
- Reports:

Cheshire
- Regulated Area Map | NOI
- Reports:

Chicopee
- Regulated Area Map | NOI
- Reports:

Clinton
- Regulated Area Map | NOI
- Reports:

Cohasset
- Regulated Area Map | NOI
- Reports:

Concord
- Regulated Area Map | NOI
- Reports:

Dalton
- Regulated Area Map | NOI
- Reports:

Danvers
- Regulated Area Map | NOI
- Reports:

Dartmouth
- Regulated Area Map | NOI
- Reports:

Dedham
- Regulated Area Map | NOI
- Reports:

Dennis
- Regulated Area Map | NOI
- Reports:

Dighton
- Regulated Area Map | NOI
- Reports:

Douglas
- Regulated Area Map | NOI
- Reports:

Dover
- Regulated Area Map | NOI
- Reports:

Dracut
- Regulated Area Map | NOI
- Reports:

Dudley
- Regulated Area Map | NOI
- Reports:

Dunstable
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Duxbury
- Regulated Area Map | NOI
- Reports:

East Bridgewater
- Regulated Area Map | NOI
- Reports:

East Longmeadow
- Regulated Area Map | NOI
- Reports:

Eastham
- Regulated Area Map | NOI
- Reports:

Easthampton
- Regulated Area Map | NOI
- Reports:

Easton
- Regulated Area Map | NOI
- Reports:

Essex
- Regulated Area Map | NOI
- Reports:

Everett
- Regulated Area Map | NOI
- Reports:

Fairhaven
- Regulated Area Map | NOI
- Reports:

Fall River
- Regulated Area Map | NOI
- Reports:

Falmouth
- Regulated Area Map | NOI
- Reports:

Fitchburg
- Regulated Area Map | NOI
- Reports:

Foxborough
- Regulated Area Map | NOI
- Reports:

Framingham
- Regulated Area Map | NOI
- Reports:

Franklin
- Regulated Area Map | NOI
- Reports:

Freetown
- Regulated Area Map | NOI
- Reports:

Gardner
- Regulated Area Map | NOI
- Reports:

Georgetown
- Regulated Area Map | NOI
- Reports:

Gloucester
- Regulated Area Map | NOI
- Reports:

Grafton
- Regulated Area Map | NOI
- Reports:

Granby
- Regulated Area Map | NOI
- Reports:

Groton
- Regulated Area Map | NOI
- Reports:

Groveland
- Regulated Area Map | NOI
- Reports:

Hadley
- Regulated Area Map | NOI
- Reports:

Halifax
- Regulated Area Map | NOI
- Reports:

Hamilton
- Regulated Area Map | NOI
- Reports:

Hampden
- Regulated Area Map | NOI
- Reports:

Hanover
- Regulated Area Map | NOI
- Reports:

Hanson
- Regulated Area Map | NOI
- Reports:

Harvard
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Harwich
- Regulated Area Map | NOI
- Reports:

Hatfield
- Regulated Area Map | NOI
- Reports:

Haverhill
- Regulated Area Map | NOI
- Reports:

Hingham
- Regulated Area Map | NOI
- Reports:

Hinsdale
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Holbrook
- Regulated Area Map | NOI
- Reports:

Holden
- Regulated Area Map | NOI
- Reports:

Holliston
- Regulated Area Map | NOI
- Reports:

Holyoke
- Regulated Area Map | NOI
- Reports:

Hopedale
- Regulated Area Map | NOI
- Reports:

Hopkinton
- Regulated Area Map | NOI
- Reports:

Hudson
- Regulated Area Map | NOI
- Reports:

Hull
- Regulated Area Map | NOI
- Reports:

Ipswich
- Regulated Area Map | NOI
- Reports:

Kingston
- Regulated Area Map | NOI
- Reports:

Lakeville
- Regulated Area Map | NOI
- Reports:

Lancaster
- Regulated Area Map | NOI
- Reports:

Lanesborough
- Regulated Area Map | NOI
- Reports:

Lawrence
- Regulated Area Map | NOI
- Reports:

Leicester
- Regulated Area Map | NOI
- Reports:

Lenox
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Leominster
- Regulated Area Map | NOI
- Reports:

Lexington
- Regulated Area Map | NOI
- Reports:

Lincoln
- Regulated Area Map | NOI
- Reports:

Littleton
- Regulated Area Map | NOI
- Reports:

Longmeadow
- Regulated Area Map | NOI
- Reports:

Lowell
- Regulated Area Map | NOI
- Reports:

Ludlow
- Regulated Area Map | NOI
- Reports:

Lunenburg
- Regulated Area Map | NOI
- Reports:

Lynn
- Regulated Area Map | NOI
- Reports:

Lynnfield
- Regulated Area Map | NOI
- Reports:

Malden
- Regulated Area Map | NOI
- Reports:

Manchester-by-the-Sea
- Regulated Area Map | NOI
- Reports:

Mansfield
- Regulated Area Map | NOI
- Reports:

Marblehead
- Regulated Area Map | NOI
- Reports:

Marion
- Regulated Area Map | NOI
- Reports:

Marlborough
- Regulated Area Map | NOI
- Reports:

Marshfield
- Regulated Area Map | NOI
- Reports:

Mashpee
- Regulated Area Map | NOI
- Reports:

Mattapoisett
- Regulated Area Map | NOI
- Reports:

Maynard
- Regulated Area Map | NOI
- Reports:

Medfield
- Regulated Area Map | NOI
- Reports:

Medford
- Regulated Area Map | NOI
- Reports:

Medway
- Regulated Area Map | NOI
- Reports:

Melrose
- Regulated Area Map | NOI
- Reports:

Mendon
- Regulated Area Map | NOI
- Reports:

Merrimac
- Regulated Area Map | NOI
- Reports:

Methuen
- Regulated Area Map | NOI
- Reports:

Middleborough
- Regulated Area Map | NOI
- Reports:

Middleton
- Regulated Area Map | NOI
- Middleton:

Milford
- Regulated Area Map | NOI
- Reports:

Millbury
- Regulated Area Map | NOI
- Reports:

Millis
- Regulated Area Map | NOI
- Reports:

Millville
- Regulated Area Map | NOI
- Reports:

Milton
- Regulated Area Map | NOI
- Reports:

Monson
- Regulated Area Map | NOI
- Reports:

Nahant
- Regulated Area Map | NOI
- Reports:

Natick
- Regulated Area Map | NOI
- Reports:

Needham
- Regulated Area Map | NOI
- Reports:

New Bedford
- Regulated Area Map | NOI
- Reports:

Newbury
- Regulated Area Map | NOI
- Reports:

Newburyport
- Regulated Area Map | NOI
- Reports:

Newton
- Regulated Area Map | NOI
- Reports:

Norfolk
- Regulated Area Map | NOI
- Reports:

North Adams
- Regulated Area Map
- Waiver Request | EPA Waiver Response

North Andover
- Regulated Area Map | NOI
- Reports:

North Attleborough
- Regulated Area Map | NOI
- Reports:

North Reading
- Regulated Area Map | NOI
- Reports:

Northampton
- Regulated Area Map | NOI
- Reports:

Northborough
- Regulated Area Map | NOI
- Reports:

Northbridge
- Regulated Area Map | NOI
- Reports:

Norton
- Regulated Area Map | NOI
- Reports:

Norwell
- Regulated Area Map | NOI
- Reports:

Norwood
- Regulated Area Map | NOI
- Reports:

Orleans
- Regulated Area Map | NOI
- Reports:

Oxford
- Regulated Area Map | NOI
- Reports:

Palmer
- Regulated Area Map | NOI
- Reports:

Paxton
- Regulated Area Map | NOI
- Reports:

Peabody
- Regulated Area Map | NOI
- Reports:

Pelham
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Pembroke
- Regulated Area Map | NOI
- Reports:

Pepperell
- Regulated Area Map | NOI
- Reports:

Pittsfield
- Regulated Area Map | NOI
- Reports:

Plainville
- Regulated Area Map | NOI
- Reports:

Plymouth
- Regulated Area Map | NOI
- Reports:

Plympton
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Quincy
- Regulated Area Map | NOI
- Reports:

Randolph
- Regulated Area Map | NOI
- Reports:

Raynham
- Regulated Area Map | NOI
- Reports:

Reading
- Regulated Area Map | NOI
- Reports:

Rehoboth
- Regulated Area Map | NOI
- Reports:

Revere
- Regulated Area Map | NOI
- Reports:

Richmond
- Regulated Area Map | NOI
- Reports:

Rochester
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Rockland
- Regulated Area Map | NOI
- Reports:

Rockport
- Regulated Area Map | NOI
- Reports:

Rowley
- Regulated Area Map | NOI
- Reports:

Russell
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Rutland
- Regulated Area Map | NOI
- Reports:

Salem
- Regulated Area Map | NOI
- Reports:

Salisbury
- Regulated Area Map | NOI
- Reports:

Sandwich
- Regulated Area Map | NOI
- Reports:

Saugus
- Regulated Area Map | NOI
- Reports:

Scituate
- Regulated Area Map | NOI
- Reports:

Seekonk
- Regulated Area Map | NOI
- Reports:

Sharon
- Regulated Area Map | NOI
- Reports:

Sherborn
- Regulated Area Map | NOI
- Reports:

Shirley
- Regulated Area Map | NOI
- Reports:

Shrewsbury
- Regulated Area Map | NOI
- Reports:

Somerset
- Regulated Area Map | NOI
- Reports:

Somerville
- Regulated Area Map | NOI
- Reports:

South Hadley
- Regulated Area Map | NOI
- Reports:

Southampton
- Regulated Area Map | NOI
- Reports:

Southborough
- Regulated Area Map | NOI
- Reports:

Southbridge
- Regulated Area Map | NOI
- Reports:

Southwick
- Regulated Area Map | NOI
- Reports:

Spencer
- Regulated Area Map | NOI
- Reports:

Springfield
- Regulated Area Map | NOI
- Reports:

Sterling
- Regulated Area Map | NOI
- Reports:

Stoneham
- Regulated Area Map | NOI
- Reports:

Stoughton
- Regulated Area Map | NOI
- Reports:

Stow
- Regulated Area Map | NOI
- Reports:

Sturbridge
- Regulated Area Map | NOI
- Reports:

Sudbury
- Regulated Area Map | NOI
- Reports:

Sutton
- Regulated Area Map | NOI
- Reports:

Swampscott
- Regulated Area Map | NOI
- Reports:

Swansea
- Regulated Area Map | NOI
- Reports:

Taunton
- Regulated Area Map | NOI
- Reports:

Templeton
- Regulated Area Map | NOI
- Reports:

Tewksbury
- Regulated Area Map | NOI
- Reports:

Topsfield
- Regulated Area Map | NOI
- Reports:

Townsend
- Regulated Area Map | NOI
- Reports:

Tyngsborough
- Regulated Area Map | NOI
- Reports:

Upton
- Regulated Area Map | NOI
- Reports:

Uxbridge
- Regulated Area Map | NOI
- Reports:

Wakefield
- Regulated Area Map | NOI
- Reports:

Walpole
- Regulated Area Map | NOI
- Reports:

Waltham
- Regulated Area Map | NOI
- Reports:

Ware
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Wareham
- Regulated Area Map | NOI
- Reports:

Watertown
- Regulated Area Map | NOI
- Reports:

Wayland
- Regulated Area Map | NOI
- Reports:

Webster
- Regulated Area Map | NOI
- Reports:

Wellesley
- Regulated Area Map | NOI
- Reports:

Wellfleet
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Wenham
- Regulated Area Map | NOI
- Reports:

West Boylston
- Regulated Area Map | NOI
- Reports:

West Bridgewater
- Regulated Area Map | NOI
- Reports:

West Newbury
- Regulated Area Map | NOI
- Reports:

West Springfield
- Regulated Area Map | NOI
- Reports:

Westborough
- Regulated Area Map | NOI
- Reports:

Westfield
- Regulated Area Map | NOI
- Reports:

Westford
- Regulated Area Map | NOI
- Reports:

Westhampton
- Regulated Area Map
- Waiver Request | EPA Waiver Response

Westminster
- Regulated Area Map | NOI
- Reports:

Weston
- Regulated Area Map | NOI
- Reports:

Westport
- Regulated Area Map | NOI
- Reports:

Westwood
- Regulated Area Map | NOI
- Reports:

Weymouth
- Regulated Area Map | NOI
- Reports:

Whitman
- Regulated Area Map | NOI
- Reports:

Wilbraham
- Regulated Area Map | NOI
- Reports:

Williamsburg
- Regulated Area Map | NOI
- Reports:

Wilmington
- Regulated Area Map | NOI
- Reports:

Winchendon
- Regulated Area Map | NOI
- Reports:

Winchester
- Regulated Area Map | NOI
- Reports:

Winthrop
- Regulated Area Map | NOI
- Reports:

Woburn
- Regulated Area Map | NOI
- Reports:

Wrentham
- Regulated Area Map | NOI
- Reports:

Yarmouth
- Regulated Area Map | NOI
- Reports:

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).