ZIP Code 01841
Low Level5
PFAS Detected
0
Above EPA Limits
2
Water Systems
100%
Highest % of MCL
LAWRENCE WATER WORKS
MA3149000 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Massachusetts
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxA Perfluorohexanoic acid | 3.10ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.00ppt | No federal limit | — | Unregulated |
METHUEN WATER DEPT
MA3181000 Low LevelWater Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Massachusetts
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 4.00ppt | 100% of limit
| 4 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 5.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 01841 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.