LISBON WATER DEPARTMENT
PWS ID: ME0090870 · LISBON, Maine 04252
PFAS Detected
6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
6,643
Total Violations
57
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 2,657
- County
- Androscoggin
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 37
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Diquat | MR | 12 | 2015 |
| Endothall | MR | 12 | 2015 |
| Lead and Copper Rule | MR | 9 | 2024 |
| Arsenic | MCL | 6 | 2006 |
| Coliform (TCR) | MCL | 5 | 2000 |
| Revised Total Coliform Rule | MON | 4 | 2022 |
| Public Notice | Other | 2 | 2024 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 20 of 240 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| 9Cl-PF3ONS | 4/16/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMBA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 4/16/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 4/16/2024 | 22.9000 µg/L | 9 µg/L | Detected |
| PFTrDA | 4/16/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| 11Cl-PF3OUdS | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 4/16/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| NEtFOSAA | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 4/16/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFEESA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 4/16/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFNA | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 4/16/2024 | 0.0041 µg/L | 0.004 µg/L | Detected |
| PFDA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 4/16/2024 | 0.0093 µg/L | 0.003 µg/L | Detected |
| PFDoA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 4/16/2024 | 0.0037 µg/L | 0.003 µg/L | Detected |
| PFHpA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NEtFOSAA | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHpA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 4/16/2024 | 0.0132 µg/L | 0.003 µg/L | Detected |
| PFNA | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 4/16/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFUnA | 4/16/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 4/16/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 4/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 4/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 4/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.