FOLSOM STATE PRISON
PWSID: CA3410032 · REPRESA, CA · Serving 7,502 people
Type: CWSOwner: SSource: 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
6.8 ppt
Highest single detection
2025-08-05
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 87 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| HFPO-DA | ND | 10 | Below MRL | 2025-08-05 |
| PFHpA | ND | — | Below MRL | 2025-02-04 |
| PFHxS | ND | 10 | Below MRL | 2025-02-04 |
| PFNA | ND | 10 | Below MRL | 2025-02-04 |
| PFOS | ND | 4 | Below MRL | 2025-02-04 |