CheckPFAS

CALDWELL WATER DEPT

High Risk
PWSID: NJ0703001 New Jersey Surface Water

1 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
1
Above EPA Limits
1
ZIP Served
Surface
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
15.40ppt
385% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
4.80ppt
48% of limit
10 pptBelow limit
lithium
9120.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.50pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.60pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.60pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.20pptNo 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)
NJ0703001
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor