Massachusetts Water Quality Ratings

TapWaterSafety has rated 31 public water systems in Massachusetts, serving a combined 6,493,393 residents. The statewide average grade is F.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
F
54/100
Total utilities rated 31
Population served 6,493,393
Most recent test 2024
🇪🇺 Would fail EU standards 3 of 31

Top water quality concerns in Massachusetts

  • PFAS contamination
  • Haloacetic acids (HAA9) significantly above health guideline
  • Total trihalomethanes (TTHMs) significantly above health guideline
  • Perfluorohexane sulfonate (PFHXS) significantly above health guideline
  • Haloacetic acids (HAA5)* significantly above health guideline

Cities in Massachusetts

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

BEVERLY
F 90,330
BOSTON
F 3,335,647
BROCKTON
F 105,643
BROOKLINE
F 63,191
Boston
D 685,000
CAMBRIDGE
F 118,214
CHICOPEE
D 55,560
DENNIS
F 65,000
DIGHTON
F 105,643
FALL RIVER
F 94,000
FALMOUTH
F 97,551
FRAMINGHAM
F 72,362
HAVERHILL
F 63,235
LAWRENCE
F 88,877
LOWELL
F 115,000
LYNN
F 101,253
MALDEN
F 66,263
MEDFORD
F 61,700
NEW BEDFORD
F 101,079
NEWTON
F 88,415
PEABODY
F 54,481
QUINCY
F 106,000
REVERE
F 62,186
SANDWICH
A 56,250
SOMERVILLE
F 81,045
SPRINGFIELD
F 167,954
TAUNTON
F 62,165
WALTHAM
F 65,218
WEYMOUTH
F 57,613
WORCESTER
F 206,518

Grade distribution

A
1 (3%)
B
0 (0%)
C
1 (3%)
D
14 (45%)
F
15 (48%)

All rated utilities in Massachusetts

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 UPPER CAPE REGIONAL WATER COOPERATIVE SANDWICH 56,250 92 A
#2 Boston Department of Public Works Boston 685,000 66 C
#3 CHICOPEE WATER DEPT (MWRA) CHICOPEE 55,560 63 D
#4 MWRA BOSTON 2,660,000 60 D
#5 DENNIS WATER DISTRICT DENNIS 65,000 56 D
#6 SPRINGFIELD WATER AND SEWER COMMISSION SPRINGFIELD 167,954 55 D
#7 BOSTON WATER AND SEWER COMMISSION (MWRA) BOSTON 675,647 55 D
#8 BROOKLINE WATER AND SEWER DIVISION BROOKLINE 63,191 55 D
#9 FRAMINGHAM WATER DEPT. (MWRA) FRAMINGHAM 72,362 55 D
#10 MALDEN WATER DIVISION (MWRA) MALDEN 66,263 55 D
#11 MEDFORD WATER DEPT. (MWRA) MEDFORD 61,700 55 D
#12 NEWTON WATER DEPT. (MWRA) NEWTON 88,415 55 D
#13 QUINCY WATER DEPT. (MWRA) QUINCY 106,000 55 D
#14 REVERE WATER DIVISION (MWRA) REVERE 62,186 55 D
#15 SOMERVILLE WATER DEPT. (MWRA) SOMERVILLE 81,045 55 D
#16 WALTHAM WATER DEPARTMENT WALTHAM 65,218 55 D
#17 HAVERHILL WATER DEPT HAVERHILL 63,235 53 F
#18 LYNN WATER AND SEWER COMM LYNN 101,253 53 F
#19 FALL RIVER WATER DEPARTMENT FALL RIVER 94,000 53 F
#20 INIMA USA / AQUARIA LLC DIGHTON 105,643 52 F
#21 CAMBRIDGE WATER DEPARTMENT CAMBRIDGE 118,214 50 F
#22 FALMOUTH WATER DEPT FALMOUTH 97,551 50 F
#23 WEYMOUTH WATER DEPARTMENT WEYMOUTH 57,613 50 F
#24 SALEM AND BEVERLY WATER SUPPLY BOARD BEVERLY 90,330 48 F
#25 LAWRENCE WATER WORKS LAWRENCE 88,877 48 F
#26 LOWELL REGIONAL WATER UTILITY LOWELL 115,000 48 F
#27 PEABODY WATER DEPT. PEABODY 54,481 48 F
#28 BROCKTON WATER DEPARTMENT BROCKTON 105,643 48 F
#29 TAUNTON WATER DIVISION TAUNTON 62,165 48 F
#30 WORCESTER DPWP, WATER SUPPLY DIVISION WORCESTER 206,518 47 F
#31 CITY OF NEW BEDFORD DPI NEW BEDFORD 101,079 47 F