Mount Vernon
PWSID IL0810300 · Mount Vernon, Illinois · serves 15,793 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 9.9 ppt | — | 6/11/2024 |
| PFBA | 8.8 ppt | — | 9/26/2023 |
| PFBA | 5.9 ppt | — | 12/5/2023 |
| PFBA | 5.2 ppt | — | 3/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-10-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |