Randolph Water Department
PWSID MA4244000 · Randolph, Massachusetts · serves 35,114 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 13 ppt | 4 ppt | 8/12/2024 |
| PFOS | 11.1 ppt | 4 ppt | 7/10/2023 |
| PFOS | 11 ppt | 4 ppt | 10/2/2023 |
| PFOS | 9 ppt | 4 ppt | 1/16/2024 |
| PFOA | 7.3 ppt | 4 ppt | 10/2/2023 |
| PFOA | 7.2 ppt | 4 ppt | 7/10/2023 |
| PFOA | 6.8 ppt | 4 ppt | 8/12/2024 |
| PFOA | 6.1 ppt | 4 ppt | 1/16/2024 |
| PFBA | 5.3 ppt | — | 10/2/2023 |
| PFPeA | 4.7 ppt | — | 10/2/2023 |
| PFPeA | 4.6 ppt | — | 7/10/2023 |
| PFPeA | 4.5 ppt | — | 8/12/2024 |
| PFHxA | 4.5 ppt | — | 10/2/2023 |
| PFHxA | 4.4 ppt | — | 7/10/2023 |
| PFHxA | 4.3 ppt | — | 8/12/2024 |
| PFPeA | 4.1 ppt | — | 1/16/2024 |
| PFHxA | 3.8 ppt | — | 1/16/2024 |
| PFHxS | 3 ppt | 10 ppt | 7/10/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2022-11-01 | TTHM | MR | No | Archived |
| 2022-11-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |