Ayer Dpw Water Division
PWSID MA2019000 · Ayer, Massachusetts · serves 8,479 people · groundwater source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 19.9 ppt | — | 11/7/2023 |
| PFPeA | 13.1 ppt | — | 2/12/2024 |
| PFBA | 10.1 ppt | — | 5/2/2023 |
| PFBA | 10 ppt | — | 2/12/2024 |
| PFHxA | 5.2 ppt | — | 2/12/2024 |
| PFPeA | 4.2 ppt | — | 5/2/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-07-01 | Lead and Copper Rule | MR | No | Resolved |
| 2022-07-01 | Chlorine | MR | No | Archived |