Foxboro Water Department
PWSID MA4099000 · Foxborough, Massachusetts · serves 18,721 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 6.7 ppt | 4 ppt | 9/3/2025 |
| PFOA | 6.3 ppt | 4 ppt | 9/3/2025 |
| PFOS | 6.1 ppt | 4 ppt | 2/11/2025 |
| PFOA | 5.3 ppt | 4 ppt | 2/11/2025 |
| PFOA | 5.3 ppt | 4 ppt | 2/11/2025 |
| PFOA | 5 ppt | 4 ppt | 9/3/2025 |
| PFOA | 4.9 ppt | 4 ppt | 9/3/2025 |
| PFOS | 4.8 ppt | 4 ppt | 9/3/2025 |
| PFBS | 4.6 ppt | — | 9/3/2025 |
| PFBS | 4.5 ppt | — | 9/3/2025 |
| PFOS | 4.4 ppt | 4 ppt | 2/11/2025 |
| PFOS | 4.2 ppt | 4 ppt | 2/11/2025 |
| PFOS | 4.1 ppt | 4 ppt | 9/3/2025 |
| PFBS | 4.1 ppt | — | 2/11/2025 |
| PFHxA | 4 ppt | — | 9/3/2025 |
| PFPeA | 3.7 ppt | — | 9/3/2025 |
| PFBS | 3.6 ppt | — | 2/11/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2022-02-01 | TTHM | MR | No | Archived |
| 2022-02-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |