FRANKLIN COUNTY PWSD 1
PWSID: MO6024211 · WASHINGTON, MO · Serving 3,500 people
Type: CWSOwner: LSource: GW
Compliant
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
Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.
Upgrade to ProDetection summary
N/A ppt
Highest single detection
2025-08-12
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 232 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFBA | ND | — | Below MRL | 2025-02-26 |
| PFHpA | ND | — | Below MRL | 2025-02-26 |
| PFUnA | ND | — | Below MRL | 2025-02-26 |
| HFPO-DA | ND | 10 | Below MRL | 2025-02-26 |
| ADONA | ND | — | Below MRL | 2025-02-26 |