Maine PFAS compliance
PFAS contamination data for 500 water systems in Maine, serving 887,385 people.
Total systems
500
Exceed MCL
5
At risk
0
Compliant
34
Settlement eligible
12
Maine PFAS regulatory overview
State standards
State standardsMaine has its own PFAS standards
ME screening level: 20 ppt for sum of 6 PFAS. Among strictest combined standards. Extensive contamination from biosolids/sludge spreading.
Regulatory agency
Maine has a unique PFAS crisis related to biosolids/sludge land application on farms. The state has set strict screening levels. New 2026 state PFAS product restriction laws taking effect.
Get weekly PFAS compliance alerts for Maine
Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| PORTLAND WATER DISTRICT-GREATER ME0091300 | PORTLAND | 135,068 | — | — | Compliant |
| MAINE WATER COMPANY BIDDEFORD SACO DIV ME0090170 | POLAND | 42,508 | — | — | Compliant |
| KENNEBUNK, KENNEBUNKPORT & WELLS WD ME0090760 | KENNEBUNK | 35,663 | — | — | Compliant |
| BANGOR WATER DISTRICT ME0090110 | BANGOR | 27,298 | — | — | Compliant |
| LEWISTON WATER & SEWER DIVISION ME0090830 | LEWISTON | 23,720 | — | — | Compliant |
| KENNEBEC WATER DISTRICT ME0090750 | WATERVILLE | 22,060 | 6.4 | — | Exceeds |
| MAINE WATER COMPANY CAMDEN & ROCKLAND ME0090300 | POLAND | 21,315 | — | — | Compliant |
| BRUNSWICK/TOPSHAM WATER DISTRICT ME0090260 | TOPSHAM | 18,250 | — | — | Compliant |
| AUBURN WATER DISTRICT ME0090070 | LISBON | 17,245 | — | — | Compliant |
| KITTERY WATER DISTRICT ME0090790 | KITTERY | 14,478 | — | — | Compliant |
| SANFORD WATER DISTRICT ME0091410 | SANFORD | 14,328 | 6.8 | 7.1 | Exceeds |
| GREATER AUGUSTA UTILITY DISTRICT ME0090080 | AUGUSTA | 13,750 | — | — | Compliant |
| YORK WATER DISTRICT ME0091680 | YORK | 13,675 | — | — | Compliant |
| BATH WATER DISTRICT ME0090130 | BATH | 9,290 | — | — | Compliant |
| GARDINER WATER DISTRICT ME0090610 | GARDINER | 9,000 | — | — | Compliant |
| BREWER WATER DEPARTMENT ME0090220 | BREWER | 8,860 | — | — | Compliant |
| BOOTHBAY REGION WATER DISTRICT ME0090200 | BOOTHBAY | 8,448 | — | — | Compliant |
| YARMOUTH WATER DISTRICT ME0091670 | YARMOUTH | 8,000 | 9.2 | — | Exceeds |
| OLD TOWN WATER DISTRICT ME0091200 | OLD TOWN | 7,648 | — | — | Compliant |
| LISBON WATER DEPARTMENT ME0090870 | LISBON | 6,643 | 4.1 | — | Exceeds |
| PRESQUE ISLE UTILITIES DISTRICT ME0091310 | PRESQUE ISLE | 6,128 | — | — | Compliant |
| MAINE WATER COMPANY SKOWHEGAN DIVISION ME0091450 | POLAND | 6,105 | — | — | Compliant |
| ORONO-VEAZIE WATER DISTRICT ME0091210 | ORONO | 5,793 | — | — | Compliant |
| BELFAST WATER DISTRICT ME0090140 | BELFAST | 5,698 | — | — | Compliant |
| ANSON AND MADISON WATER DISTRICT ME0090930 | RICHMOND | 5,568 | — | — | Compliant |
| MAINE WATER COMPANY MILLINOCKET DIVISION ME0090990 | POLAND | 5,400 | — | — | Compliant |
| HOULTON WATER COMPANY ME0090700 | HOULTON | 4,735 | — | 4.8 | Exceeds |
| HAMPDEN WATER DISTRICT ME0090660 | HAMPDEN | 4,628 | — | — | Compliant |
| TOWN OF BAR HARBOR- WATER DIVISION ME0090120 | BAR HARBOR | 4,443 | — | — | Compliant |
| FARMINGTON VILLAGE CORP WATER DEPT ME0090540 | FARMINGTON | 4,050 | — | — | Compliant |
| RUMFORD WATER DISTRICT ME0091380 | RUMFORD | 4,050 | — | — | Compliant |
| CARIBOU UTILITIES DISTRICT ME0090320 | CARIBOU | 3,943 | — | — | Compliant |
| ELLSWORTH WATER DEPARTMENT ME0090520 | SURRY | 3,910 | — | — | Compliant |
| SOUTH BERWICK WATER DISTRICT ME0091470 | SOUTH BERWICK | 3,722 | — | — | Compliant |
| LAKE ARROWHEAD COMMUNITY INC ME0090811 | NORTH WATERBORO | 3,500 | — | — | Compliant |
| VAN BUREN WATER DISTRICT ME0091540 | VAN BUREN | 2,190 | — | — | Compliant |
| VINALHAVEN WATER DISTRICT ME0091550 | POLAND | 1,053 | — | — | Compliant |
| MSAD 06 BONNY EAGLE MIDDLE SCHOOL ME0000147 | BUXTON | 800 | — | — | Compliant |
| FRANKLIN WATER DEPARTMENT ME0090570 | FRANKLIN | 443 | — | — | Compliant |