Swansea Water District
PWSID MA4292000 · Swansea, Massachusetts · serves 17,375 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 10.9 ppt | — | 7/20/2023 |
| PFHxS | 7.7 ppt | 10 ppt | 8/5/2024 |
| PFBA | 6.4 ppt | — | 10/30/2023 |
| PFOA | 5.1 ppt | 4 ppt | 7/20/2023 |
| PFPeA | 4.9 ppt | — | 7/20/2023 |
| PFOA | 4.4 ppt | 4 ppt | 10/30/2023 |
| PFHxS | 4.2 ppt | 10 ppt | 7/20/2023 |
| PFOA | 4.2 ppt | 4 ppt | 7/20/2023 |
| PFHxA | 4 ppt | — | 7/20/2023 |
| PFBS | 3.5 ppt | — | 8/5/2024 |
| PFPeA | 3.5 ppt | — | 10/30/2023 |
| PFBS | 3.4 ppt | — | 7/20/2023 |
| PFBS | 3 ppt | — | 8/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2024-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2022-07-01 | Consumer Confidence Rule | Other | No | Resolved |