GUERNSEY CO. WATER DEPT.
PWSID: OH3000603 · CAMBRIDGE, OH · Serving 8,891 people
Type: CWSOwner: LSource: SW
Settlement eligible
Settlement details
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Upgrade to ProExceeds 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
9.7 ppt
Highest single detection
2025-08-19
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 87 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFTA | ND | — | Below MRL | 2025-08-19 |
| 4:2 FTS | ND | — | Below MRL | 2025-02-19 |
| 6:2 FTS | ND | — | Below MRL | 2025-02-19 |
| PFBA | ND | — | Below MRL | 2025-02-19 |
| HFPO-DA | ND | 10 | Below MRL | 2025-02-19 |