PFAS in Maine Water
Based on EPA UCMR 5 testing of 14 public water systems in Maine.
See Maine on the national heatmap14
Systems Tested
14
With PFAS Detected
5
Above EPA Limits
36%
Exceed MCL
Most Commonly Detected PFAS in Maine
Systems with detections · EPA UCMR 5 (2023–2025)
PFHxA 8 systems
lithium 7 systems
PFBA 6 systems
PFPeA 6 systems
PFHxS 4 systems
PFOA 4 systems
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Get specific results for your neighborhood's water utility.
Water Systems in Maine (14)
| Water System ↕ | PWSID | PFAS Detected ↕ | Above MCL ↕ | Risk |
|---|---|---|---|---|
| SANFORD WATER DISTRICT Groundwater | ME0091410 | 7 | 2 | High Risk |
| LISBON WATER DEPARTMENT Groundwater | ME0090870 | 6 | 2 | High Risk |
| YARMOUTH WATER DISTRICT Groundwater | ME0091670 | 5 | 1 | High Risk |
| KENNEBEC WATER DISTRICT Surface Water | ME0090750 | 4 | 1 | High Risk |
| HOULTON WATER COMPANY Groundwater | ME0090700 | 1 | 1 | High Risk |
| FRANKLIN WATER DEPARTMENT, ME Groundwater | ME0090570 | 4 | 0 | Low Level |
| BELFAST WATER DISTRICT Groundwater | ME0090140 | 3 | 0 | Low Level |
| GARDINER WATER DISTRICT Groundwater | ME0090610 | 3 | 0 | Low Level |
| MSAD 06 BONNY EAGLE MIDDLE SCHOOL Groundwater | ME0000147 | 2 | 0 | Low Level |
| TOWN OF BAR HARBOR- WATER DIVISION Surface Water | ME0090120 | 2 | 0 | Low Level |
| BRUNSWICK / TOPSHAM WATER DISTRICT Groundwater | ME0090260 | 1 | 0 | Low Level |
| LAKE ARROWHEAD COMMUNITY INC Groundwater | ME0090811 | 1 | 0 | Low Level |
| US BORDER STATION-LONG POND RD-JACKMAN Groundwater | ME0092559 | 1 | 0 | Low Level |
| SACO RIVER APARTMENTS Groundwater | ME0092710 | 1 | 0 | Low Level |
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