Public Water Systems
1,864 active public water systems in ME, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Portland Water District-Greater | Portland, ME | 135,068 | 20 | Clean |
| Maine Water Company Biddeford Saco Div | Poland, ME | 42,508 | 39 | Clean |
| Kennebunk, Kennebunkport & Wells WD | Kennebunk, ME | 35,663 | 33 | Clean |
| Bangor Water District | Bangor, ME | 27,298 | 8 | Clean |
| Lewiston Water & Sewer Division | Lewiston, ME | 23,720 | 19 | Clean |
| Kennebec Water District | Waterville, ME | 22,060 | 46 | Detected |
| Maine Water Company Camden & Rockland | Poland, ME | 21,315 | 25 | Clean |
| Brunswick/Topsham Water District | Topsham, ME | 18,250 | 109 | Clean |
| Auburn Water District | Lisbon, ME | 17,245 | 44 | Clean |
| Kittery Water District | Kittery, ME | 14,478 | 44 | Clean |
| Sanford Water District | Sanford, ME | 14,328 | 45 | Detected |
| Greater Augusta Utility District | Augusta, ME | 13,750 | 12 | Clean |
| York Water District | York, ME | 13,675 | 20 | Clean |
| Bath Water District | Bath, ME | 9,290 | 33 | Clean |
| Gardiner Water District | Gardiner, ME | 9,000 | 63 | Detected |
| Brewer Water Department | Brewer, ME | 8,860 | 23 | Clean |
| Boothbay Region Water District | Boothbay, ME | 8,448 | 25 | Clean |
| Yarmouth Water District | Yarmouth, ME | 8,000 | 47 | Detected |
| Old Town Water District | Old Town, ME | 7,648 | 12 | Clean |
| Lisbon Water Department | Lisbon, ME | 6,643 | 57 | Detected |
| Presque Isle Utilities District | Presque Isle, ME | 6,128 | 42 | Clean |
| Maine Water Company Skowhegan Division | Poland, ME | 6,105 | 8 | Clean |
| Orono-Veazie Water District | Orono, ME | 5,793 | 56 | Clean |
| Belfast Water District | Belfast, ME | 5,698 | 32 | Detected |
| Anson and Madison Water District | Richmond, ME | 5,568 | 301 | Clean |
| Maine Water Company Millinocket Division | Poland, ME | 5,400 | 30 | Clean |
| Houlton Water Company | Houlton, ME | 4,735 | 30 | Detected |
| Hampden Water District | Hampden, ME | 4,628 | 14 | Clean |
| Town of Bar Harbor- Water Division | Bar Harbor, ME | 4,443 | 5 | Detected |
| Farmington Village Corp Water Dept | Farmington, ME | 4,050 | 27 | Clean |
| Rumford Water District | Rumford, ME | 4,050 | 28 | Clean |
| Caribou Utilities District | Caribou, ME | 3,943 | 84 | Clean |
| Ellsworth Water Department | Surry, ME | 3,910 | 102 | Clean |
| South Berwick Water District | South Berwick, ME | 3,722 | 54 | Clean |
| Bridgton Water District | Bridgton, ME | 3,660 | 48 | - |
| Lake Arrowhead Community Inc | North Waterboro, ME | 3,500 | 47 | Clean |
| Pittsfield Water Dept | Winterport, ME | 3,228 | 83 | - |
| Lincoln Water District | Lincoln, ME | 3,020 | 21 | - |
| Livermore Falls Water District | Livermore Falls, ME | 2,995 | 17 | - |
| Paris Utility District | South Paris, ME | 2,940 | 39 | - |
| Maine Water Company Oakland Division | Poland, ME | 2,873 | 15 | - |
| Wilton Water Department | Wilton, ME | 2,800 | 33 | - |
| Calais Water Dept | Winterport, ME | 2,775 | 24 | - |
| Searsport Water District | Searsport, ME | 2,763 | 109 | - |
| Winthrop Utilities District | Winthrop, ME | 2,750 | 59 | - |
| Madawaska Water District | Madawaska, ME | 2,738 | 32 | - |
| Maine Water Company Freeport Division | Poland, ME | 2,700 | 4 | - |
| Southwest Harbor Water & Sewer District | Southwest Harbor, ME | 2,480 | 536 | - |
| Berwick Water Department | Saco, ME | 2,470 | 166 | - |
| Gray Water District | Gray, ME | 2,468 | 27 | - |
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