Lisbon Water Department
PWSID ME0090870 · Lisbon, Maine · serves 6,643 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 13.2 ppt | 10 ppt | 4/16/2024 |
| PFHxS | 10.5 ppt | 10 ppt | 10/8/2024 |
| PFBS | 9.3 ppt | — | 4/16/2024 |
| PFBS | 9 ppt | — | 10/8/2024 |
| PFHxA | 5.5 ppt | — | 4/16/2024 |
| PFPeA | 4.5 ppt | — | 4/16/2024 |
| PFOA | 4.1 ppt | 4 ppt | 4/16/2024 |
| PFHxS | 4.1 ppt | 10 ppt | 10/8/2024 |
| PFHxA | 4 ppt | — | 10/8/2024 |
| PFHxS | 3.7 ppt | 10 ppt | 4/16/2024 |
| PFPeA | 3.4 ppt | — | 4/16/2024 |
| PFPeA | 3.3 ppt | — | 10/8/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-03-27 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2024-07-01 | Lead and Copper Rule | MR | No | Resolved |
| 2024-03-31 | Lead and Copper Rule | MR | No | Resolved |
| 2024-01-01 | Lead and Copper Rule | MR | No | Resolved |
| 2022-10-01 | Revised Total Coliform Rule | MON | No | Resolved |