CheckPFAS

ABINGTON/ROCKLAND JOINT WTR. WORKS

High Risk
PWSID: MA4001000 Massachusetts Surface Water

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.

8
PFAS Detected
2
Above EPA Limits
3
ZIPs Served
Surface
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
12.00ppt
300% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
7.00ppt
175% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
4.00ppt
40% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
32.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
25.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
18.00pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
8.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.00pptNo federal limitUnregulated

ZIP Codes Served by This Utility

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About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
MA4001000
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor