Lca Wlsa Central Division
PWSID PA3390073 · Allentown, Pennsylvania · serves 47,693 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 5.4 ppt | — | 10/24/2023 |
| PFOA | 4.4 ppt | 4 ppt | 3/8/2023 |
| PFOA | 4.4 ppt | 4 ppt | 4/4/2023 |
| PFOA | 4.3 ppt | 4 ppt | 9/7/2023 |
| PFOA | 4.2 ppt | 4 ppt | 9/7/2023 |
| PFPeA | 4.2 ppt | — | 9/7/2023 |
| PFPeA | 4.1 ppt | — | 7/3/2023 |
| PFPeA | 3.9 ppt | — | 6/7/2023 |
| PFBS | 3.8 ppt | — | 4/4/2023 |
| PFPeA | 3.7 ppt | — | 11/29/2023 |
| PFBS | 3.6 ppt | — | 10/25/2023 |
| PFBS | 3.6 ppt | — | 9/7/2023 |
| PFPeA | 3.5 ppt | — | 9/7/2023 |
| PFPeA | 3.5 ppt | — | 1/31/2024 |
| PFPeA | 3.4 ppt | — | 3/16/2023 |
| PFBS | 3.3 ppt | — | 4/4/2023 |
| PFHxA | 3.3 ppt | — | 9/7/2023 |
| PFHxS | 3.1 ppt | 10 ppt | 3/8/2023 |
| PFHxA | 3 ppt | — | 7/3/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-11 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2024-01-01 | Nitrate | MR | No | Resolved |
| 2024-01-01 | Nitrite | MR | No | Resolved |
| 2023-06-01 | Groundwater Rule | MR | No | Resolved |
| 2022-10-01 | Nitrate | MR | No | Resolved |
| 2022-10-01 | Nitrite | MR | No | Resolved |
| 2022-10-01 | Nitrate | MR | No | Resolved |
| 2022-10-01 | Nitrite | MR | No | Resolved |