ZIP Code 07840
High RiskPFAS 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
2
Water Systems
243%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 243% of limit
Detected: 9.70 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 228% of limit
Detected: 9.10 ppt
WASHINGTON TWP MUA-SCHOO
NJ1438004 High RiskWater Type
Groundwater
PFAS Detected
6
Above MCL
2
State
New Jersey
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 9.70ppt | 243% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 9.10ppt | 228% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBA Perfluorobutanoic acid | 7.10ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.30ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.00ppt | No federal limit | — | Unregulated |
ALLAMUCHY TWP WATER & SEWER
NJ2101001 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
New Jersey
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 3.30ppt | 33% of limit
| 10 ppt | Below limit |
Note: ZIP code 07840 is served by 2 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.