Marshfield Water Department
PWSID MA4171000 · Marshfield, Massachusetts · serves 34,000 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 14.7 ppt | — | 3/6/2024 |
| PFPeA | 13.2 ppt | — | 1/29/2025 |
| PFHxA | 11.7 ppt | — | 3/6/2024 |
| PFHxA | 10.4 ppt | — | 1/29/2025 |
| PFOA | 7 ppt | 4 ppt | 3/6/2024 |
| PFOA | 6.8 ppt | 4 ppt | 1/29/2025 |
| PFBA | 6 ppt | — | 3/6/2024 |
| PFBA | 5.7 ppt | — | 1/29/2025 |
| PFOA | 5.4 ppt | 4 ppt | 3/6/2024 |
| PFOA | 5.3 ppt | 4 ppt | 6/24/2024 |
| PFHxA | 5.2 ppt | — | 6/24/2024 |
| PFHxA | 5 ppt | — | 9/5/2024 |
| PFOA | 4.8 ppt | 4 ppt | 10/24/2024 |
| PFHxA | 4.7 ppt | — | 10/24/2024 |
| PFPeA | 4.6 ppt | — | 7/30/2024 |
| PFPeA | 4.6 ppt | — | 6/24/2024 |
| PFOS | 4.6 ppt | 4 ppt | 12/17/2024 |
| PFOA | 4.4 ppt | 4 ppt | 1/28/2025 |
| PFPeA | 4.3 ppt | — | 9/5/2024 |
| PFOA | 4.2 ppt | 4 ppt | 6/24/2024 |
| PFPeA | 4.1 ppt | — | 11/13/2024 |
| PFOA | 4.1 ppt | 4 ppt | 10/16/2024 |
| PFPeA | 4 ppt | — | 10/24/2024 |
| PFHxA | 3.9 ppt | — | 7/30/2024 |
| PFHxA | 3.9 ppt | — | 11/13/2024 |
| PFBS | 3.9 ppt | — | 1/29/2025 |
| PFBS | 3.7 ppt | — | 3/6/2024 |
| PFBS | 3.5 ppt | — | 6/24/2024 |
| PFHxA | 3.2 ppt | — | 1/28/2025 |
| PFPeA | 3.2 ppt | — | 3/6/2024 |
| PFHpA | 3.2 ppt | — | 3/6/2024 |
| PFHxA | 3.1 ppt | — | 3/6/2024 |
| PFBS | 3.1 ppt | — | 10/24/2024 |
| PFPeA | 3 ppt | — | 1/28/2025 |
| PFHpA | 3 ppt | — | 1/29/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | Consumer Confidence Rule | Other | No | Unaddressed |
| 2022-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-04-11 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2022-03-11 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2022-03-01 | Revised Total Coliform Rule | MON | No | Archived |
| 2022-02-01 | Revised Total Coliform Rule | MON | No | Archived |