CheckPFAS

ZIP Code 01887

Low Level
Low Level PFAS Risk Level
5
PFAS Detected
0
Above EPA Limits
2
Water Systems
N/A
Highest % of MCL

NORTH READING WATER DEPT.

MA3213000 Low Level
Water Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Massachusetts
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBA
Perfluorobutanoic acid
6.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.00pptNo federal limitUnregulated

WILMINGTON WATER DEPT

MA3342000 Low Level
Water Type
GU
PFAS Detected
2
Above MCL
0
State
Massachusetts
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBA
Perfluorobutanoic acid
8.80pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
3.00pptNo federal limitUnregulated
Note: ZIP code 01887 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 →