Public Water Systems
1,599 active water systems in MA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| HARWICH WATER DEPARTMENT | HARWICH, MA | 39,144 | 6 | Clean |
| BRAINTREE WATER AND SEWER DEPT. | BRAINTREE, MA | 39,143 | 98 | Detected |
| YARMOUTH WATER DEPARTMENT | WEST YARMOUTH, MA | 38,900 | 54 | Detected |
| SHREWSBURY WATER DEPARTMENT | SHREWSBURY, MA | 38,325 | 25 | Detected |
| CHELSEA WATER DEPT. (MWRA) | CHELSEA, MA | 38,319 | 34 | Clean |
| GLOUCESTER PUBLIC UTILITY DIVISION | GLOUCESTER, MA | 37,440 | 171 | Clean |
| NATICK WATER AND SEWER DIVISION | NATICK, MA | 37,006 | 146 | Detected |
| MASHPEE WATER DISTRICT | MASHPEE, MA | 36,922 | 8 | Detected |
| ANDOVER WATER DEPT | ANDOVER, MA | 36,569 | 7 | Detected |
| WATERTOWN WATER DEPT. (MWRA) | WATERTOWN, MA | 35,329 | 19 | Clean |
| HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE | HYANNIS, MA | 35,000 | 87 | Detected |
| BREWSTER WATER DEPARTMENT | BREWSTER, MA | 35,000 | 29 | Clean |
| RANDOLPH WATER DEPARTMENT | RANDOLPH, MA | 34,362 | 27 | Detected |
| BLUEDROP WATER @ RANDOLPH DPW | NORTH RANDOLPH, MA | 34,362 | 7 | — |
| BLUEDROP WATER @ ST BERNADETTE CHURCH | NORTH RANDOLPH, MA | 34,362 | 0 | — |
| LEXINGTON WATER DEPT. (MWRA) | LEXINGTON, MA | 34,074 | 17 | Clean |
| MARSHFIELD WATER DEPARTMENT | MARSHFIELD, MA | 34,000 | 109 | Detected |
| ABINGTON/ROCKLAND JOINT WTR. WORKS | ROCKLAND, MA | 33,647 | 48 | Detected |
| FRANKLIN WATER DEPARTMENT | FRANKLIN, MA | 33,399 | 44 | Detected |
| NEEDHAM WATER DEPT | NEEDHAM, MA | 33,130 | 118 | Detected |
| TEWKSBURY WATER DEPARTMENT | TEWKSBURY, MA | 31,342 | 30 | Detected |
| NORTH ANDOVER WATER DEPT | NORTH ANDOVER, MA | 30,915 | 56 | Clean |
| MILFORD WATER DEPARTMENT | MILFORD, MA | 30,379 | 108 | Detected |
| CHATHAM WATER DEPARTMENT | CHATHAM, MA | 30,000 | 85 | Clean |
| NORWOOD WATER DEPT. (MWRA) | NORWOOD, MA | 29,909 | 25 | Clean |
| MATTAPOISETT RIVER VALLEY W.D. | MATTAPOISETT, MA | 29,600 | 4 | Clean |
| NORTHAMPTON WATER DIVISION | NORTHAMPTON, MA | 29,571 | 100 | Clean |
| WELLESLEY WATER DIVISION | WELLESLEY, MA | 29,550 | 15 | Detected |
| MELROSE WATER DIVISION (MWRA) | MELROSE, MA | 29,357 | 45 | Clean |
| STOUGHTON WATER DEPARTMENT | STOUGHTON, MA | 29,281 | 45 | Detected |
| NORTH ATTLEBORO WATER DEPT | NORTH ATTLEBOROUGH, MA | 28,863 | 146 | Detected |
| WEST SPRINGFIELD DPW WATER DIVISION | WEST SPRINGFIELD, MA | 28,835 | 52 | Clean |
| CHELMSFORD WATER DISTRICT | CHELMSFORD, MA | 28,750 | 12 | Detected |
| BLUEDROP WATER VENDING N ATT DPW | NORTH ATTLEBOROUGH, MA | 28,712 | 0 | — |
| AGAWAM WATER DEPARTMENT | AGAWAM, MA | 28,692 | 26 | Clean |
| BRIDGEWATER WATER DEPARTMENT | BRIDGEWATER, MA | 28,633 | 55 | Detected |
| MILTON WATER DEPT. (MWRA) | MILTON, MA | 28,630 | 13 | Clean |
| DANVERS WATER DEPT. | MIDDLETON, MA | 28,087 | 56 | Detected |
| WANNACOMET WATER COMPANY | NANTUCKET, MA | 27,703 | 197 | Clean |
| READING WATER DEPARTMENT (MWRA) | READING, MA | 27,358 | 7 | Clean |
| BELMONT WATER DEPT. (MWRA) | BELMONT, MA | 27,295 | 11 | Clean |
| WAKEFIELD WATER DEPT | WAKEFIELD, MA | 27,090 | 113 | Detected |
| SAUGUS WATER DEPT. (MWRA) | SAUGUS, MA | 27,082 | 26 | Clean |
| BURLINGTON WATER DEPT | BURLINGTON, MA | 26,680 | 278 | Detected |
| DRACUT WATER SUPPLY DISTRICT | DRACUT, MA | 25,789 | 114 | Detected |
| DARTMOUTH WATER DIVISION | DARTMOUTH, MA | 24,630 | 38 | Detected |
| WALPOLE WATER DEPT | WALPOLE, MA | 24,070 | 67 | Detected |
| OAK BLUFFS WATER DISTRICT | OAK BLUFFS, MA | 24,000 | 167 | Detected |
| MANSFIELD WATER DIVISION | MANSFIELD, MA | 23,289 | 26 | Detected |
| STONEHAM WATER DEPT (MWRA SUPPLY) | STONEHAM, MA | 23,244 | 33 | Clean |