Herculaneum Pws
PWSID MO6010359 · Herculaneum, Missouri · serves 5,000 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 9.1 ppt | — | 3/11/2024 |
| PFBA | 7.9 ppt | — | 9/9/2024 |
| PFBA | 7.8 ppt | — | 9/9/2024 |
| PFBA | 7.5 ppt | — | 9/9/2024 |
| PFBA | 6.2 ppt | — | 12/9/2024 |
| PFBA | 5.4 ppt | — | 6/10/2024 |
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 |