What is PFAS?
Water suppliers
PFAS value per supplier, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Suppliers that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | PFAS (ug/L) |
|---|---|---|---|
| Yarmouth Water District | North Yarmouth | 8,000 | 0.0092 µg/L |
| Sanford Water District | Sanford | 14,328 | 0.0071 µg/L |
| Kennebec Water District | Fairfield | 22,060 | 0.0064 µg/L |
| Houlton Water Company | Houlton | 4,735 | 0.0048 µg/L |
| Lisbon Water Department | Lisbon | 6,643 | 0.0041 µg/L |
| Portland Water District-Greater | Cape Elizabeth | 135,068 | Not detected |
| Maine Water Company Biddeford Saco Div | Biddeford | 42,508 | Not detected |
| Kennebunk, Kennebunkport & Wells Wd | Kennebunk | 35,663 | Not detected |
| Bangor Water District | Bangor | 27,298 | Not detected |
| Lewiston Water & Sewer Division | Lewiston | 23,720 | Not detected |
| Maine Water Company Camden & Rockland | Camden | 21,315 | Not detected |
| Brunswick/Topsham Water District | Brunswick | 18,863 | Not detected |
| Auburn Water District | Auburn | 17,245 | Not detected |
| Kittery Water District | Kittery | 14,478 | Not detected |
| Greater Augusta Utility District | Augusta | 13,750 | Not detected |
| York Water District | York | 13,675 | Not detected |
| Bath Water District | Bath | 9,205 | Not detected |
| Gardiner Water District | Gardiner | 9,000 | Not detected |
| Brewer Water Department | Brewer | 8,860 | Not detected |
| Boothbay Region Water District | Boothbay | 8,448 | Not detected |
| Old Town Water District | Old Town | 7,648 | Not detected |
| Presque Isle Utilities District | Presque Isle | 6,128 | Not detected |
| Maine Water Company Skowhegan Division | Skowhegan | 6,105 | Not detected |
| Orono-Veazie Water District | Orono | 5,793 | Not detected |
| Belfast Water District | Belfast | 5,698 | Not detected |
| Anson and Madison Water District | Anson | 5,568 | Not detected |
| Maine Water Company Millinocket Division | Millinocket | 5,400 | Not detected |
| Hampden Water District | Hampden | 4,628 | Not detected |
| Town of Bar Harbor- Water Division | Bar Harbor | 4,443 | Not detected |
| Farmington Village Corp Water Dept | Farmington | 4,050 | Not detected |
| Rumford Water District | Rumford | 4,050 | Not detected |
| Caribou Utilities District | Caribou | 3,943 | Not detected |
| Ellsworth Water Department | Ellsworth | 3,910 | Not detected |
| South Berwick Water District | Berwick | 3,722 | Not detected |
| Lake Arrowhead Community Inc | Waterboro | 3,500 | Not detected |
| Van Buren Water District | Van Buren | 2,190 | Not detected |
| Vinalhaven Water District | Vinalhaven | 1,053 | Not detected |
| Franklin Water Department | Franklin | 443 | Not detected |