WEST MANCHESTER TWP AUTH
PWSID: PA7670101 · YORK, PA · Serving 9,960 people
Type: CWSOwner: LSource: GW
Exceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
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
43.2 ppt
Highest single detection
2025-04-07
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 87 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFDA | ND | — | Below MRL | 2025-04-07 |
| HFPO-DA | ND | 10 | Below MRL | 2025-04-07 |
| PFUnA | ND | — | Below MRL | 2025-04-07 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2025-04-07 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2025-04-07 |
Violation history(1 violation, all resolved)
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-10-01 · Resolved · Tier 3
Violation details
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