Public Water Systems
1,599 active water systems in MA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| BARRE WATER DEPARTMENT | BARRE, MA | 4,098 | 217 | Clean |
| WENHAM WATER DEPT. | WENHAM, MA | 3,942 | 23 | Detected |
| NORTH BROOKFIELD WATER DEPARTMENT | NORTH BROOKFIELD, MA | 3,903 | 78 | Clean |
| NORTH RAYNHAM WATER DISTRICT | RAYNHAM, MA | 3,902 | 5 | Detected |
| SOUTH DEERFIELD WATER SUPPLY DISTRICT | SOUTH DEERFIELD, MA | 3,800 | 96 | Clean |
| WESTMINSTER DEPARTMENT OF PUBLIC WORKS | WESTMINSTER, MA | 3,741 | 34 | Clean |
| CHERRY VALLEY/ ROCHDALE WATER DISTRICT | ROCHDALE, MA | 3,696 | 227 | Detected |
| ASHBURNHAM WATER DEPARTMENT | ASHBURNHAM, MA | 3,680 | 214 | Clean |
| ESSEX WATER DEPT. | ESSEX, MA | 3,675 | 43 | — |
| MCI SHIRLEY | MILFORD, MA | 3,500 | 172 | Detected |
| BOYLSTON WATER DISTRICT | BOYLSTON, MA | 3,343 | 140 | Detected |
| NAHANT WATER DEPT. (MWRA) | NAHANT, MA | 3,334 | 29 | Clean |
| SOUTH GRAFTON WATER DISTRICT | SOUTH GRAFTON, MA | 3,262 | 45 | — |
| THREE RIVERS FIRE DISTRICT | THREE RIVERS, MA | 3,258 | 42 | — |
| LEICESTER WATER SUPPLY DISTRICT | LEICESTER, MA | 3,200 | 184 | — |
| SUNDERLAND WATER DISTRICT | SUNDERLAND, MA | 3,190 | 50 | — |
| HATFIELD WATER DEPT | HATFIELD, MA | 3,183 | 71 | Detected |
| BELCHERTOWN WATER DISTRICT | BELCHERTOWN, MA | 3,098 | 26 | Clean |
| WEST NEWBURY WATER DEPARTMENT | WEST NEWBURY, MA | 3,080 | 11 | Detected |
| HANSCOM FAMILY HOUSING (LANDINGS) | EL PASO, MA | 3,067 | 6 | — |
| PILOT TRAVEL CENTER | KNOXVILLE, MA | 3,000 | 72 | — |
| WELLESLEY COLLEGE | WELLESLEY, MA | 3,000 | 33 | — |
| HALE EDUCATION, INC. | WESTWOOD, MA | 3,000 | 5 | — |
| SIASCONSET WATER DEPARTMENT | NANTUCKET, MA | 3,000 | 89 | — |
| DCR HORSENECK BEACH STATE RESERVATION | BOSTON, MA | 3,000 | 33 | — |
| PLYMOUTH SOUTH HIGH SCHOOL | NORTH PLYMOUTH, MA | 2,875 | 124 | — |
| MCI BRIDGEWATER | MILFORD, MA | 2,802 | 33 | — |
| STOCKBRIDGE WATER DEPT | STOCKBRIDGE, MA | 2,800 | 30 | — |
| EAST CHELMSFORD WATER DISTRICT | CHELMSFORD, MA | 2,800 | 180 | — |
| WILKINSONVILLE WATER DISTRICT | SUTTON, MA | 2,773 | 145 | — |
| WACHUSETT MOUNTAIN SKI AREA | PRINCETON, MA | 2,500 | 76 | — |
| TEWKSBURY HOSPITAL | TEWKSBURY, MA | 2,500 | 215 | — |
| WEST BROOKFIELD WATER DEPARTMENT | WEST BROOKFIELD, MA | 2,477 | 58 | — |
| AGAWAM SPRINGS WATER COMPANY | WAREHAM, MA | 2,380 | 6 | — |
| LANESBOROUGH FIRE AND WATER DISTRICT | LANESBOROUGH, MA | 2,324 | 26 | — |
| WARREN WATER DISTRICT | WARREN, MA | 2,289 | 28 | — |
| ELM HILL WATER DISTRICT | AUBURN, MA | 2,278 | 34 | — |
| AQUARION WATER COMPANY | MILLBURY, MA | 2,267 | 11 | — |
| BYFIELD WATER DISTRICT | BYFIELD, MA | 2,228 | 35 | — |
| MCI NORFOLK/CEDAR JUNCTION/WALPOLE | MILFORD, MA | 2,200 | 19 | Clean |
| HUNTINGTON WATER DEPT | HUNTINGTON, MA | 2,180 | 36 | — |
| FREETOWN/LAKEVILLE REGIONAL SCHOOL DIST. | LAKEVILLE, MA | 1,991 | 19 | — |
| AQUARION WATER COMPANY (DOVER) | MILLBURY, MA | 1,922 | 43 | — |
| WEST GROTON WATER SUPPLY DISTRICT | GROTON, MA | 1,853 | 61 | — |
| SHELBURNE FALLS FIRE DISTRICT | SHELBURNE FALLS, MA | 1,806 | 28 | — |
| HINSDALE WATER DEPT | HINSDALE, MA | 1,800 | 91 | — |
| SOUTHFIELD REDEVELOPEMENT AUTHORITY | WEYMOUTH, MA | 1,800 | 1 | — |
| MONUMENT MTN REGIONAL HS | STOCKBRIDGE, MA | 1,700 | 151 | — |
| SUTTON PUBLIC SCHOOLS | SUTTON, MA | 1,700 | 40 | — |
| MENDON TWIN DRIVE IN | ALLSTON, MA | 1,600 | 78 | — |