Maine tap water, by utility.
40 utilities with a full report, serving 536,824 people as they report it. Regulated PFAS turned up at 7 of them.
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Portland Water District - Greater | Raymond | 135,068 | None found | 0 |
| Maine Water Company Biddeford Saco Div | Biddeford | 42,508 | None found | 1 |
| Kennebunk, Kennebunkport & Wells WD | Kennebunkport | 35,663 | None found | 0 |
| Bangor Water District | Bangor | 27,298 | None found | 0 |
| Lewiston Water & Sewer Division | Lewiston | 23,720 | None found | 0 |
| Kennebec Water District | Fairfield | 22,060 | PFOA | 0 |
| Maine Water Company Camden & Rockland | Camden | 21,315 | None found | 0 |
| Brunswick/Topsham Water District | Topsham | 18,863 | None found | 0 |
| Auburn Water District | Auburn | 17,245 | None found | 0 |
| Kittery Water District | Kittery | 14,478 | None found | 0 |
| Sanford Water District | Sanford | 14,328 | PFOA, PFOS, PFHxS | 0 |
| Greater Augusta Utility District | Augusta | 13,750 | None found | 0 |
| York Water District | York | 13,675 | None found | 0 |
| Bath Water District | Bath | 9,205 | None found | 0 |
| Gardiner Water District | Gardiner | 9,000 | PFHxS | 0 |
| Brewer Water Department | Holden | 8,860 | None found | 0 |
| Boothbay Region Water District | Boothbay | 8,448 | None found | 0 |
| Yarmouth Water District | North Yarmouth | 8,000 | PFOA | 0 |
| Old Town Water District | Old Town | 7,648 | None found | 0 |
| Lisbon Water Department | Lisbon | 6,643 | PFOA, PFHxS, PFBS | 0 |
| Presque Isle Utilities District | Presque Isle | 6,128 | None found | 0 |
| Maine Water Company Skowhegan Division | Skowhegan | 6,105 | None found | 0 |
| Orono - Veazie Water District | Orono | 5,793 | None found | 0 |
| Belfast Water District | Northport | 5,698 | None found | 0 |
| Anson and Madison Water District | Embden | 5,568 | None found | 0 |
| Maine Water Company Millinocket Division | Millinocket | 5,400 | None found | 0 |
| Houlton Water Company | Houlton | 4,735 | PFOS | 0 |
| Hampden Water District | Hampden | 4,628 | None found | 0 |
| Town of Bar Harbor - Water Division | Bar Harbor | 4,443 | None found | 0 |
| Farmington Village Corp Water Dept | Farmington | 4,050 | None found | 0 |
| Rumford Water District | Rumford | 4,050 | None found | 0 |
| Caribou Utilities District | Caribou | 3,943 | None found | 0 |
| Ellsworth Water Department | Ellsworth | 3,910 | None found | 5 |
| South Berwick Water District | Berwick | 3,722 | None found | 5 |
| Bridgton Water District | Bridgton | 3,660 | Not sampled | 0 |
| Lake Arrowhead Community Inc | Waterboro | 3,500 | None found | 0 |
| Van Buren Water District | Van Buren | 2,190 | None found | 0 |
| Vinalhaven Water District | Vinalhaven | 1,053 | None found | 7 |
| Franklin Water Department | Franklin | 443 | PFHxS | 0 |
| Saco River Apartments | Hollis | 30 | None found | 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. Data: EPA SDWIS 2026 Q2 and UCMR 5. | ||||