Mount Vernon Water Works
PWSID IN5265006 · Mount Vernon, Indiana · serves 6,426 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 17.4 ppt | — | 12/3/2024 |
| HFPO-DA | 5.3 ppt | 10 ppt | 9/10/2024 |
| HFPO-DA | 5 ppt | 10 ppt | 12/3/2024 |
| PFOA | 4 ppt | 4 ppt | 9/10/2024 |
| PFPeA | 3.7 ppt | — | 9/10/2024 |
| PFHxA | 3.2 ppt | — | 9/10/2024 |
| PFHxA | 3 ppt | — | 12/3/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | TTHM | MR | No | Resolved |
| 2026-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2025-08-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-09-01 | Revised Total Coliform Rule | MON | No | Resolved |