CheckPFAS

ZIP Code 07866

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

6 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.

22
PFAS Detected
6
Above EPA Limits
3
Water Systems
355%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 300% of limit
Detected: 12.00 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 203% of limit
Detected: 8.10 ppt

DOVER WATER COMMISSION

NJ1409001 High Risk
Water Type
Groundwater
PFAS Detected
8
Above MCL
2
State
New Jersey
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
12.00ppt
300% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
8.10ppt
203% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.60ppt
56% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
6.80pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
5.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
5.20pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.60pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.20pptNo federal limitUnregulated

ROCKAWAY BORO WATER DEPT

NJ1434001 High Risk
Water Type
Groundwater
PFAS Detected
8
Above MCL
2
State
New Jersey
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
14.20ppt
355% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
6.50ppt
163% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
6.40ppt
64% of limit
10 pptBelow limit
PFBS
Perfluorobutane sulfonic acid
6.60pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
6.30pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
5.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
5.40pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.70pptNo federal limitUnregulated

ROCKAWAY TWP WATER DEPT

NJ1435002 High Risk
Water Type
Groundwater
PFAS Detected
6
Above MCL
2
State
New Jersey
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
12.00ppt
300% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
9.40ppt
235% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
7.10ppt
71% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
4.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.70pptNo federal limitUnregulated
Note: ZIP code 07866 is served by 3 separate water utilities. Results above show data for each system independently.

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 →