Maynard Dpw, Water Division
PWSID MA2174000 · Maynard, Massachusetts · serves 10,746 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 7.1 ppt | 4 ppt | 12/4/2023 |
| PFOA | 4.8 ppt | 4 ppt | 6/3/2024 |
| PFOS | 4.2 ppt | 4 ppt | 12/4/2023 |
| PFHxA | 4 ppt | — | 12/4/2023 |
| PFPeA | 3.7 ppt | — | 6/3/2024 |
| PFHxA | 3.7 ppt | — | 6/3/2024 |
| PFPeA | 3.3 ppt | — | 12/4/2023 |
| PFBS | 3.1 ppt | — | 12/4/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | Lead and Copper Rule | MR | No | Resolved |
| 2025-07-01 | TTHM | MCL | Yes | Resolved |
| 2025-04-01 | TTHM | MCL | Yes | Resolved |
| 2024-09-29 | Lead and Copper Rule | MR | No | Resolved |
| 2023-07-01 | CARBON, TOTAL | MR | No | Resolved |