Yarmouth Water District
PWSID ME0091670 · Yarmouth, Maine · serves 8,000 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxA | 9.8 ppt | — | 4/15/2025 |
| PFOA | 9.2 ppt | 4 ppt | 10/7/2025 |
| PFPeA | 8.9 ppt | — | 4/15/2025 |
| PFHxA | 8.1 ppt | — | 10/7/2025 |
| PFOA | 7.1 ppt | 4 ppt | 4/15/2025 |
| PFPeA | 7.1 ppt | — | 10/7/2025 |
| PFBA | 6.8 ppt | — | 4/15/2025 |
| PFBA | 5.7 ppt | — | 10/7/2025 |
| PFHpA | 4.5 ppt | — | 4/15/2025 |
| PFHpA | 4.5 ppt | — | 10/7/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-12-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2022-01-01 | TTHM | MR | No | Resolved |
| 2022-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |