CheckPFAS

AQUA NJ - HAMILTON SQUARE

High Risk
PWSID: NJ1103001 New Jersey Groundwater

3 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
3
Above EPA Limits
6
ZIPs Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
11.60ppt
290% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
11.40ppt
285% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
10.40ppt
104% of limit
10 ppt⚠ Exceeds MCL
lithium
27500.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
5.40pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.60pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.40pptNo 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)
NJ1103001
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor