Water Quality in Massachusetts
EPA violation data for public water systems across Massachusetts.
502
ZIP Codes
3,334
Total Violations
246 (49%)
ZIPs with 0 Violations
6.6
Avg per ZIP
National avg: 18.87 violations per ZIP.
Massachusetts is 65% below average.
Violation Map
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0
1-5
6-15
16+
EPA violations (5yr)
Most Affected Areas in Massachusetts
All ZIP Codes in Massachusetts (502)
02056 Norfolk
149 01921 Boxford
131 02169 Quincy
124 01749 Hudson
120 02760 North Attleborough
93 01581 Westborough
84 02554 Nantucket
67 02780 Taunton
66 02535 Chilmark
59 01571 Dudley
55 01756 Mendon
53 02769 Rehoboth
48 01775 Stow
46 01885 North Andover
44 01830 Haverhill
43 02360 Plymouth
43 02038 Franklin
41 01844 Methuen
39 01876 Tewksbury
38 02338 Halifax
38 01519 Grafton
36 01568 Upton
35 02667 Wellfleet
35 02066 Scituate
34 02790 Westport
33 01451 Harvard
32 01462 Lunenburg
32 01588 Whitinsville
32 01746 Holliston
32 02025 Cohasset
32 02043 Hingham
32 02347 Lakeville
32 02564 Nantucket
32 02458 Newton
31 02655 Osterville
31 01463 Pepperell
30 01507 Charlton
30 02653 Orleans
30 02723 Fall River
30 02764 North Dighton
30 01504 Blackstone
29 01810 Andover
29 02453 Waltham
28 01256 Savoy
27 01569 Uxbridge
27 01719 Boxborough
26 01879 Tyngsborough
25 02339 Hanover
25 02575 West Tisbury
25 01005 Barre
24 01503 Brewster
24 01720 Acton
24 02631 Brewster
24 01450 Groton
23 01833 Georgetown
22 01864 North Reading
22 02666 Wellfleet
22 01237 Lanesborough
21 01527 Millbury
21 01701 Framingham
20 01102 Springfield
19 01606 Worcester
18 02663 South Wellfleet
17 01202 Pittsfield
16 01230 Great Barrington
16 01969 Rowley
16 01776 Sudbury
15 01821 Billerica
15 02330 Carver
15 02568 Tisbury
15 02766 Norton
14 01431 Ashby
13 01515 East Brookfield
12 01915 Beverly
12 01541 Princeton
11 02030 Millbury
11 01748 Hopkinton
10 01945 Marblehead
10 02093 Wrentham
10 02111 Boston
10 02743 Acushnet
10 01590 Sutton
9 01740 Bolton
9 02035 Foxborough
9 02770 Rochester
9 01033 Granby
8 01267 Williamstown
8 01344 Erving
8 01469 Townsend
8 01540 Millbury
8 01611 Cherry Valley
8 01843 Lawrence
8 02128 Chelsea
8 02346 Middleborough
8 02367 Plympton
8 02702 Assonet
8 01223 Becket
7 01543 Rutland
7 01840 Lawrence
7 01913 Amesbury
7 01940 Lynnfield
7 02021 Canton
7 02118 Boston
7 02364 Kingston
7 01075 South Hadley
6 01524 Leicester
6 01741 Carlisle
6 01752 Marlborough
6 02061 Norwell
6 02482 Wellesley
6 02718 Berkley
6 02779 Berkley
6 01028 East Longmeadow
5 01077 Southwick
5 01350 Monroe
5 01501 Auburn
5 01566 Sturbridge
5 01602 Worcester
5 01886 Westford
5 01949 Middleton
5 02050 Marshfield
5 02324 Bridgewater
5 02368 North Randolph
5 02474 Arlington
5 02478 Belmont
5 02767 Raynham
5 01085 Westfield
4 01434 Devens
4 01452 Hubbardston
4 01570 Webster
4 01730 Bedford
4 02019 Bellingham
4 02351 Weymouth
4 02366 South Carver
4 02375 South Easton
4 02542 Otis Angb
4 02642 Eastham
4 02721 Fall River
4 02747 Dartmouth
4 01011 Chester
3 01081 Wales
3 01235 Hinsdale
3 01430 Ashburnham
3 01523 Lancaster
3 01534 Northbridge
3 01560 South Grafton
3 01722 Southboro
3 01778 Wayland
3 01845 North Andover
3 01862 Billerica
3 01938 Ipswich
3 02072 Stoughton
3 02343 Holbrook
3 02563 Sandwich
3 02649 Mashpee
3 02717 Freetown
3 02771 Seekonk
3 02777 Swansea
3 01008 Blandford
2 01027 Easthampton
2 01036 Hampden
2 01068 Oakham
2 01069 Palmer
2 01257 Sheffield
2 01330 Ashfield
2 01331 Athol
2 01339 Charlemont
2 01432 Ayer
2 01440 Gardner
2 01460 Littleton
2 01529 Millville
2 01531 New Braintree
2 01545 Shrewsbury
2 01583 West Boylston
2 01742 Concord
2 01801 Woburn
2 01803 Burlington
2 01826 Dracut
2 01827 Dunstable
2 01834 Groveland
2 01906 Saugus
2 01952 Salisbury
2 02155 Medford
2 02332 Duxbury
2 02370 Rockland
2 02382 Whitman
2 02481 Wellesley
2 02492 Needham
2 02494 Needham
2 02719 Fairhaven
2 02726 Somerset
2 02748 South Dartmouth
2 01002 Amherst
1 01010 Brimfield
1 01034 Granville
1 01050 Huntington
1 01061 Northampton
1 01071 Russell
1 01083 Warren
1 01106 Longmeadow
1 01238 Lee
1 01247 North Adams
1 01270 Windsor
1 01360 Northfield
1 01367 Rowe
1 01464 Shirley
1 01473 Westminster
1 01516 Douglas
1 01521 Holland
1 01532 Northborough
1 01562 Spencer
1 01564 Sterling
1 01580 Westborough
1 01721 Ashland
1 01731 Bedford
1 01754 Maynard
1 01760 Natick
1 01770 Sherborn
1 01773 Lincoln
1 01854 Lowell
1 01860 Merrimac
1 01863 North Chelmsford
1 01867 Reading
1 01880 Wakefield
1 01887 Wilmington
1 01923 Danvers
1 01950 Newburyport
1 01984 Wenham
1 02026 Dedham
1 02048 Mansfield
1 02052 Medfield
1 02081 Walpole
1 02090 Westwood
1 02116 Boston
1 02130 Jamaica Plain
1 02148 Malden
1 02149 Everett
1 02152 Winthrop
1 02176 Melrose
1 02184 Braintree
1 02188 Weymouth
1 02301 Brockton
1 02333 East Bridgewater
1 02379 West Bridgewater
1 02420 Lexington
1 02451 Waltham
1 02459 Newton
1 02466 Newton
1 02472 Watertown
1 02493 Weston
1 02558 Onset
1 02559 Pocasset
1 02673 West Yarmouth
1 02713 Gosnold
1 02738 Marion
1 02762 Plainville
1