West Manchester Twp Auth
PWSID PA7670101 · York, Pennsylvania · serves 9,960 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 11.1 ppt | 4 ppt | 1/12/2026 |
| PFOA | 6.3 ppt | 4 ppt | 1/12/2026 |
| PFOS | 6.2 ppt | 4 ppt | 4/7/2025 |
| PFBS | 5.4 ppt | — | 1/12/2026 |
| PFBS | 5 ppt | — | 1/12/2026 |
| PFBS | 4.8 ppt | — | 4/7/2025 |
| PFBS | 4.4 ppt | — | 4/7/2025 |
| PFPeA | 4.3 ppt | — | 1/12/2026 |
| PFBS | 4.2 ppt | — | 1/12/2026 |
| PFHxA | 4.1 ppt | — | 1/12/2026 |
| PFBS | 3.6 ppt | — | 4/7/2025 |
| PFHxS | 3.3 ppt | 10 ppt | 1/12/2026 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-02-01 | Groundwater Rule | MR | No | Resolved |
| 2025-01-01 | Nitrate | MR | No | Resolved |
| 2025-01-01 | Nitrite | MR | No | Resolved |
| 2025-01-01 | Nitrate | MR | No | Resolved |
| 2025-01-01 | Nitrite | MR | No | Resolved |
| 2025-01-01 | Nitrate | MR | No | Resolved |
| 2025-01-01 | Nitrite | MR | No | Resolved |
| 2025-01-01 | Nitrate | MR | No | Resolved |
| 2025-01-01 | Nitrite | MR | No | Resolved |
| 2025-01-01 | Nitrate | MR | No | Resolved |
| 2025-01-01 | Nitrite | MR | No | Resolved |
| 2024-03-01 | Groundwater Rule | MR | No | Resolved |
| 2024-02-01 | Chlorine | MR | No | Resolved |
| 2024-02-01 | Groundwater Rule | MR | No | Resolved |
| 2023-04-01 | Nitrate | MR | No | Resolved |
| 2023-04-01 | Nitrite | MR | No | Resolved |
| 2022-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2022-04-01 | TTHM | MR | No | Resolved |
| 2022-04-01 | Nitrate | MR | No | Resolved |
| 2022-04-01 | Nitrite | MR | No | Resolved |
| 2022-01-01 | Nitrate | MR | No | Resolved |
| 2022-01-01 | Nitrite | MR | No | Resolved |