WALPOLE WATER DEPT
PWSID: MA4307000 · WALPOLE, MA · Serving 24,070 people
Type: CWSOwner: LSource: GW
At risk
PFAS detected at levels approaching EPA MCLs. Monitoring recommended.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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Upgrade to ProDetection summary
16 ppt
Highest single detection
2023-08-14
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 116 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| NFDHA | ND | — | Below MRL | 2024-02-07 |
| 6:2 FTS | ND | — | Below MRL | 2023-08-14 |
| PFDA | ND | — | Below MRL | 2023-08-14 |
| PFHxA | ND | — | Below MRL | 2023-08-14 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2023-08-14 |