CheckPFAS

ZIP Code 07871

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

2 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

7
PFAS Detected
2
Above EPA Limits
1
Water System
233%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 233% of limit
Detected: 9.30 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 215% of limit
Detected: 8.60 ppt
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SPARTA TWP WATER UTILITY - LAKE MOHAWK

NJ1918004 High Risk
Water Type
Groundwater
PFAS Detected
7
Above MCL
2
State
New Jersey
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
9.30ppt
233% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
8.60ppt
215% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
3.50ppt
35% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
14.40pptNo federal limit—Unregulated
PFBS
Perfluorobutane sulfonic acid
12.90pptNo federal limit—Unregulated
PFBA
Perfluorobutanoic acid
8.10pptNo federal limit—Unregulated
PFHxA
Perfluorohexanoic acid
7.90pptNo federal limit—Unregulated

Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.

UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.

Detection values represent the highest single-sample result measured at entry points to the distribution system.

View raw EPA data →