Topsfield Water Department
PWSID MA3298000 · Topsfield, Massachusetts · serves 5,435 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 9 ppt | 4 ppt | 1/15/2025 |
| PFOA | 8.6 ppt | 4 ppt | 7/22/2025 |
| PFOS | 5.4 ppt | 4 ppt | 1/15/2025 |
| PFOS | 5.3 ppt | 4 ppt | 7/22/2025 |
| PFBS | 4 ppt | — | 1/15/2025 |
| PFBS | 3.8 ppt | — | 7/22/2025 |
| PFHxA | 3.4 ppt | — | 7/22/2025 |
| PFPeA | 3.2 ppt | — | 1/15/2025 |
| PFHxA | 3.1 ppt | — | 1/15/2025 |
| PFPeA | 3.1 ppt | — | 7/22/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Lead and Copper Rule | MR | No | Addressed |