Western Allegheny County Mun A
PWSID PA5020034 · Oakdale, Pennsylvania · serves 19,031 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 5.2 ppt | 4 ppt | 6/11/2025 |
| PFOS | 4.7 ppt | 4 ppt | 3/3/2025 |
| PFHxS | 3.7 ppt | 10 ppt | 6/11/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-10-18 | Public Notice | Other | No | Resolved |
| 2025-09-07 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2025-09-07 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2024-09-24 | Public Notice | Other | No | Resolved |
| 2024-08-20 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2024-08-20 | Revised Total Coliform Rule | RPT | No | Resolved |