CheckPFAS

ZIP Code 07423

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

3 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.

10
PFAS Detected
3
Above EPA Limits
1
Water System
760%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 760% of limit
Detected: 30.40 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 525% of limit
Detected: 21.00 ppt
PFNA Exceeds EPA limit
0 ppt MCL: 10 ppt 161% of limit
Detected: 16.10 ppt

HO HO KUS WATER DEPT

NJ0228001 High Risk
Water Type
Groundwater
PFAS Detected
10
Above MCL
3
State
New Jersey
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
30.40ppt
760% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
21.00ppt
525% of limit
4 ppt⚠ Exceeds MCL
PFNA
Perfluorononanoic acid
16.10ppt
161% of limit
10 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
7.80ppt
78% of limit
10 pptBelow limit
lithium
14700.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
14.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
13.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
12.40pptNo federal limitUnregulated
Show 2 more compounds detected at low levels
PFBAPerfluorobutanoic acid9.40 pptNo federal limit
PFHpAPerfluoroheptanoic acid8.10 pptNo federal limit

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 →