St Clair Pws
PWSID MO6010708 · St Clair, Missouri · serves 4,700 people · groundwater source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 5.6 ppt | 10 ppt | 1/8/2024 |
| PFHxS | 4.5 ppt | 10 ppt | 10/16/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |