Norwell Water Department
PWSID MA4219000 · Norwell, Massachusetts · serves 11,495 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 18.4 ppt | 4 ppt | 9/20/2023 |
| PFOS | 11.1 ppt | 4 ppt | 8/28/2023 |
| PFPeA | 10 ppt | — | 2/26/2024 |
| PFOA | 9.9 ppt | 4 ppt | 9/20/2023 |
| PFPeA | 9.5 ppt | — | 9/20/2023 |
| PFOA | 8.9 ppt | 4 ppt | 2/26/2024 |
| PFPeA | 8.7 ppt | — | 8/28/2023 |
| PFHxA | 8.4 ppt | — | 9/20/2023 |
| PFHxA | 8.4 ppt | — | 2/26/2024 |
| PFOA | 8.3 ppt | 4 ppt | 8/28/2023 |
| PFBS | 7.7 ppt | — | 9/20/2023 |
| PFOS | 7.4 ppt | 4 ppt | 2/26/2024 |
| PFHxA | 6.7 ppt | — | 8/28/2023 |
| PFOS | 6.2 ppt | 4 ppt | 2/26/2024 |
| PFBA | 6 ppt | — | 9/20/2023 |
| PFOA | 4.8 ppt | 4 ppt | 8/28/2023 |
| PFHpA | 4.7 ppt | — | 2/26/2024 |
| PFOA | 4.6 ppt | 4 ppt | 2/26/2024 |
| PFHpA | 3.8 ppt | — | 8/28/2023 |
| PFHpA | 3.7 ppt | — | 9/20/2023 |
| PFBS | 3.7 ppt | — | 2/26/2024 |
| PFBS | 3.6 ppt | — | 2/26/2024 |
| PFBS | 3.2 ppt | — | 8/28/2023 |
| PFPeA | 3.1 ppt | — | 2/26/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Lead and Copper Rule | MR | No | Addressed |
| 2022-09-01 | Revised Total Coliform Rule | MON | No | Resolved |