Massachusetts utilities 201 to 265.
Each serves 60 to 7,326 people, as it reports to EPA. Your ZIP code finds yours faster.
201 to 265 of 265, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Williamstown Water Dept | Williamstown | 7,326 | None found | 0 |
| Middleton Water Dept. | Middleton | 7,291 | PFOA, PFBS | 0 |
| Lunenburg Water District | Lunenburg | 7,219 | PFOA | 0 |
| Spencer Water Department | Spencer | 7,037 | None found | 0 |
| Merrimac Water Department | Merrimac | 6,988 | PFOA | 0 |
| West Boylston Water District | West Boylston | 6,919 | PFOA | 0 |
| Townsend Water Department | Townsend | 6,832 | PFOA | 0 |
| Sterling Water Department | Sterling | 6,715 | PFOS | 1 |
| Orange Water Dept | Orange | 6,526 | PFNA | 0 |
| Groveland Water Department | Groveland | 6,508 | PFOA | 0 |
| Devens Massdevelopment | Ayer | 6,500 | None found | 1 |
| Dalton Fire District | Dalton | 6,330 | None found | 0 |
| South Hadley Fire District #2 Water Dept | South Hadley | 6,200 | None found | 1 |
| Town of Eastham | Eastham | 6,199 | None found | 0 |
| Rowley Water Department | Rowley | 6,161 | PFOA, PFOS | 0 |
| Templeton Munic. Light and Water Plant | Templeton | 6,159 | PFOA | 0 |
| Marion Water Division | Marion | 6,119 | None found | 1 |
| Tisbury Water Works | Tisbury | 6,082 | None found | 0 |
| Rutland Water Department | Rutland | 6,025 | None found | 4 |
| Hopedale Water Department | Hopedale | 6,017 | PFOA, PFOS | 1 |
| Lancaster Water Department | Lancaster | 6,000 | None found | 0 |
| Otis Air National Guard Base | Falmouth | 6,000 | None found | 2 |
| Winchendon Water Department | Winchendon | 5,706 | None found | 0 |
| Lee Water Dept | Lee | 5,686 | None found | 0 |
| Lincoln Water Dept | Lincoln | 5,593 | PFOA, PFOS, PFHxS | 1 |
| Dudley Water Department | Dudley | 5,515 | None found | 0 |
| Groton Water Department | Groton | 5,456 | PFBS | 0 |
| Topsfield Water Department | Topsfield | 5,435 | PFOA, PFOS, PFBS | 0 |
| Barnstable Fire District | Barnstable | 5,400 | PFOA, PFOS, PFHxS, PFBS | 0 |
| Onset Fire Districtwater Dept. | Wareham | 5,392 | PFOS | 1 |
| Dighton Water District | Dighton | 5,280 | PFOA, PFOS | 0 |
| Manchester by the Sea DPW | Manchester | 5,201 | PFOA, PFOS, PFBS | 0 |
| Cotuit Fire District Water Department | Barnstable | 4,938 | None found | 0 |
| Southampton Water Dept | Southampton | 4,853 | None found | 0 |
| Lynnfield Water Dist. (MWRA) | Lynnfield | 4,820 | None found | 0 |
| Hadley DPW Water Division | Hadley | 4,819 | None found | 0 |
| Palmer Water District No.1 | Palmer | 4,789 | None found | 2 |
| Town of Avon | Avon | 4,777 | PFOA, PFOS | 1 |
| Sturbridge Water Department | Sturbridge | 4,746 | None found | 1 |
| West Newbury Water Department | West Newbury | 4,704 | None found | 0 |
| North Sagamore Water District | Bourne | 4,668 | None found | 0 |
| Upton DPW Water/Wastewater Division | Upton | 4,420 | None found | 0 |
| Tyngsborough Water District | Tyngsborough | 4,416 | PFOA | 0 |
| Douglas Water Department | Douglas | 4,400 | PFOA, PFBS | 0 |
| Great Barrington Fire Dist | Great Barrington | 4,380 | None found | 3 |
| Paxton Water Department | Paxton | 4,300 | None found | 0 |
| Monson Water and Sewer Dept | Monson | 4,222 | None found | 0 |
| Shirley Water District | Shirley | 4,165 | PFOA, PFBS | 0 |
| Wenham Water Dept. | Wenham | 3,942 | PFOA, PFOS, PFBS | 0 |
| North Raynham Water District | Raynham | 3,902 | None found | 0 |
| Westminster Department of Public Works | Westminster | 3,889 | None found | 0 |
| North Brookfield Water Department | North Brookfield | 3,863 | None found | 0 |
| South Deerfield Water Supply District | Deerfield | 3,800 | None found | 3 |
| Cherry Valley/ Rochdale Water District | Leicester | 3,696 | None found | 1 |
| Ashburnham Water Department | Ashburnham | 3,680 | None found | 0 |
| Essex Water Dept. | Essex | 3,675 | Not sampled | 0 |
| McI Shirley | Shirley | 3,500 | PFHxS | 0 |
| Boylston Water District | Boylston | 3,343 | PFOA, PFBS | 0 |
| Nahant Water Dept. (MWRA) | Nahant | 3,334 | None found | 0 |
| Belchertown Water District | Belchertown | 3,253 | None found | 0 |
| Hatfield Water Dept | Hatfield | 3,164 | PFBS | 0 |
| Barre Water Department | Barre | 2,610 | None found | 0 |
| McI Norfolk/Cedar Junction/Walpole | Norfolk | 2,200 | None found | 0 |
| Whately Water Department | Whately | 900 | None found | 0 |
| Haystack Estates | Westford | 60 | PFOA, PFBS | 0 |
Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.