CheckPFAS

SANFORD WATER DISTRICT

High Risk
PWSID: ME0091410 Maine Groundwater

2 PFAS compound(s) exceed EPA Maximum Contaminant Levels

This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.

7
PFAS Detected
2
Above EPA Limits
2
ZIPs Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
7.10ppt
178% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
6.80ppt
170% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
3.30ppt
33% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
10.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
7.30pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
5.00pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
4.40pptNo federal limitUnregulated

ZIP Codes Served by This Utility

Click any ZIP to see the full result page for that area.

About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
ME0091410
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor