OFALLON PWS
PWSID: MO6010588 · O FALLON, MO · Serving 32,515 people
Type: CWSOwner: LSource: SW
Settlement eligible
Settlement details
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All PFAS compounds below EPA Maximum Contaminant Levels.
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
71.3 ppt
Highest single detection
2025-09-15
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 348 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFPeA | ND | — | Below MRL | 2024-08-19 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2024-02-28 |
| PFUnA | ND | — | Below MRL | 2024-02-28 |
| PFHxA | ND | — | Below MRL | 2024-02-28 |
| PFDoA | ND | — | Below MRL | 2024-02-28 |