St James Pws
PWSID MO3010712 · St James, Missouri · serves 3,935 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 22.5 ppt | 10 ppt | 11/14/2023 |
| PFHxA | 11.9 ppt | — | 11/14/2023 |
| PFPeA | 11 ppt | — | 11/14/2023 |
| PFOS | 9.9 ppt | 4 ppt | 11/14/2023 |
| PFBS | 6.5 ppt | — | 11/14/2023 |
| PFPeS | 6.3 ppt | — | 11/14/2023 |
| PFHxS | 5.8 ppt | 10 ppt | 7/25/2023 |
| PFHpA | 4.6 ppt | — | 11/14/2023 |
| PFHxA | 3.3 ppt | — | 7/25/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-12-30 | Lead and Copper Rule | MR | No | Resolved |