CheckPFAS

ZIP Code 07401

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

4 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.

16
PFAS Detected
4
Above EPA Limits
2
Water Systems
445%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 445% of limit
Detected: 17.80 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 328% of limit
Detected: 13.10 ppt

ALLENDALE WATER DEPT

NJ0201001 High Risk
Water Type
Groundwater
PFAS Detected
9
Above MCL
2
State
New Jersey
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
17.80ppt
445% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
13.10ppt
328% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.20ppt
52% of limit
10 pptBelow limit
lithium
9330.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
9.60pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
7.20pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
7.00pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
4.70pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFBSPerfluorobutane sulfonic acid3.60 pptNo federal limit

RAMSEY WATER DEPT

NJ0248001 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
PFOA
Perfluorooctanoic acid
13.60ppt
340% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
5.30ppt
133% of limit
4 ppt⚠ Exceeds MCL
lithium
12700.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
5.40pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.20pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.60pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.50pptNo federal limitUnregulated
Note: ZIP code 07401 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.

View raw EPA data →