State
Maine: drinking water records
EPA lists 360 community water systems serving homes in Maine. 38 took part in EPA's national PFAS survey (UCMR 5), and 9 found at least one PFAS above the level laboratories can measure.
In focus360community water systems
Public records. Clearer context.
0
ZIP reports published
360
community water systems
80
systems with a health-based violation since 2016
41
systems that reached the lead action level since 2016
Counties
- Androscoggin County 19 systems
- Aroostook County 38 systems
- Cumberland County 29 systems
- Franklin County 13 systems
- Hancock County 31 systems
- Kennebec County 27 systems
- Knox County 17 systems
- Lincoln County 12 systems
- Oxford County 15 systems
- Penobscot County 49 systems
- Piscataquis County 8 systems
- Sagadahoc County 9 systems
- Somerset County 17 systems
- Waldo County 18 systems
- Washington County 22 systems
- York County 35 systems
ZIP reports
Sources
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.