Sewickley Boro Water Auth
PWSID PA5020050 · Sewickley, Pennsylvania · serves 6,800 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 12 ppt | — | 6/21/2023 |
| PFHxA | 7.8 ppt | — | 6/21/2023 |
| PFPeA | 7 ppt | — | 12/13/2023 |
| PFBA | 6.6 ppt | — | 6/21/2023 |
| PFBS | 5.7 ppt | — | 6/21/2023 |
| PFBA | 5.4 ppt | — | 12/13/2023 |
| PFHxA | 4.5 ppt | — | 12/13/2023 |
| PFBS | 4.5 ppt | — | 12/13/2023 |
| PFHxS | 3.3 ppt | 10 ppt | 6/21/2023 |
| PFHxS | 3.2 ppt | 10 ppt | 12/13/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2025-01-01 | Nitrate | MR | No | Archived |
| 2025-01-01 | Nitrite | MR | No | Archived |
| 2024-12-15 | Public Notice | Other | No | Unaddressed |
| 2024-11-04 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2024-11-04 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2024-02-01 | Groundwater Rule | MR | No | Resolved |