Plainville Water Department
PWSID MA4238000 · Plainville, Massachusetts · serves 8,805 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 17.6 ppt | — | 8/9/2023 |
| PFBS | 13.7 ppt | — | 5/1/2023 |
| PFBS | 11.7 ppt | — | 11/8/2023 |
| PFBS | 11.3 ppt | — | 2/13/2023 |
| PFOS | 5.9 ppt | 4 ppt | 11/8/2023 |
| PFOS | 5.5 ppt | 4 ppt | 2/13/2023 |
| PFOS | 5.1 ppt | 4 ppt | 8/9/2023 |
| PFBA | 5 ppt | — | 11/8/2023 |
| PFBS | 4.7 ppt | — | 11/8/2023 |
| PFOS | 4.6 ppt | 4 ppt | 5/1/2023 |
| PFBS | 4.5 ppt | — | 2/13/2023 |
| PFOA | 4.3 ppt | 4 ppt | 11/8/2023 |
| PFBS | 3.4 ppt | — | 5/1/2023 |
| PFBS | 3 ppt | — | 8/9/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | TTHM | MCL | Yes | Archived |
| 2026-01-01 | TTHM | MCL | Yes | Archived |
| 2025-10-01 | TTHM | MCL | Yes | Archived |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2023-04-01 | TTHM | MCL | Yes | Archived |
| 2023-01-01 | TTHM | MCL | Yes | Archived |