Bcwsa Main Lower South
PWSID PA1090079 · Warrington, Pennsylvania · serves 52,621 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 19 ppt | — | 11/5/2024 |
| PFPeA | 14.2 ppt | — | 8/7/2024 |
| PFHxA | 11.5 ppt | — | 11/5/2024 |
| PFPeA | 9.8 ppt | — | 5/21/2024 |
| PFHxA | 9.5 ppt | — | 8/7/2024 |
| PFHxA | 9.1 ppt | — | 5/21/2024 |
| PFBA | 7.5 ppt | — | 11/5/2024 |
| PFOA | 7.3 ppt | 4 ppt | 5/21/2024 |
| PFBA | 7.1 ppt | — | 8/7/2024 |
| PFOS | 6.9 ppt | 4 ppt | 5/21/2024 |
| PFOA | 6.7 ppt | 4 ppt | 8/7/2024 |
| PFOA | 6.4 ppt | 4 ppt | 2/6/2024 |
| PFOA | 6.4 ppt | 4 ppt | 11/5/2024 |
| PFPeA | 6.2 ppt | — | 2/6/2024 |
| PFBA | 5.9 ppt | — | 2/6/2024 |
| PFOS | 5.8 ppt | 4 ppt | 2/6/2024 |
| PFHxA | 5.7 ppt | — | 2/6/2024 |
| PFBS | 5.6 ppt | — | 5/21/2024 |
| PFBS | 5.6 ppt | — | 8/7/2024 |
| PFBA | 5.1 ppt | — | 5/21/2024 |
| PFOS | 5.1 ppt | 4 ppt | 8/7/2024 |
| PFBS | 5 ppt | — | 11/5/2024 |
| PFBS | 4.9 ppt | — | 2/6/2024 |
| PFHxS | 4.8 ppt | 10 ppt | 5/21/2024 |
| PFHxS | 4.1 ppt | 10 ppt | 2/6/2024 |
| PFOA | 4.1 ppt | 4 ppt | 8/7/2024 |
| PFOA | 4 ppt | 4 ppt | 8/7/2024 |
| PFOS | 4 ppt | 4 ppt | 11/5/2024 |
| PFPeA | 3.8 ppt | — | 8/7/2024 |
| PFHxA | 3.7 ppt | — | 8/7/2024 |
| PFPeA | 3.6 ppt | — | 8/7/2024 |
| PFHxS | 3.6 ppt | 10 ppt | 11/5/2024 |
| PFHxA | 3.5 ppt | — | 8/7/2024 |
| PFHpA | 3.2 ppt | — | 5/21/2024 |
| PFHxA | 3.1 ppt | — | 11/5/2024 |
| PFHxS | 3.1 ppt | 10 ppt | 8/7/2024 |
| PFPeA | 3 ppt | — | 11/5/2024 |
| PFHpA | 3 ppt | — | 8/7/2024 |
| PFHpA | 3 ppt | — | 11/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-09-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2023-09-22 | Public Notice | Other | No | Resolved |
| 2023-08-13 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2023-08-13 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2023-08-12 | Public Notice | Other | No | Resolved |
| 2023-07-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2022-05-11 | Public Notice | Other | No | Resolved |
| 2022-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2022-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Resolved |
| 2022-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Resolved |