Hanover Water Dept
PWSID MA4122000 · Hanover, Massachusetts · serves 14,984 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 11.6 ppt | — | 8/22/2023 |
| PFOS | 11.4 ppt | 4 ppt | 8/22/2023 |
| PFOA | 8.9 ppt | 4 ppt | 8/22/2023 |
| PFHxA | 8.6 ppt | — | 8/22/2023 |
| PFBA | 8 ppt | — | 8/22/2023 |
| PFBS | 6.6 ppt | — | 8/22/2023 |
| PFPeA | 5.9 ppt | — | 4/11/2024 |
| PFPeA | 5.5 ppt | — | 8/22/2023 |
| PFOA | 5.5 ppt | 4 ppt | 4/11/2024 |
| PFOA | 5.2 ppt | 4 ppt | 8/22/2023 |
| PFPeA | 4.7 ppt | — | 4/11/2024 |
| PFHxA | 4.5 ppt | — | 4/11/2024 |
| PFOS | 4.4 ppt | 4 ppt | 4/11/2024 |
| PFHxA | 4.3 ppt | — | 8/22/2023 |
| PFHxA | 4.2 ppt | — | 4/11/2024 |
| PFPeA | 3.8 ppt | — | 8/22/2023 |
| PFHxA | 3.7 ppt | — | 8/22/2023 |
| PFHpA | 3.5 ppt | — | 8/22/2023 |
| PFBS | 3 ppt | — | 4/11/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | Fluoride | MR | No | Archived |
| 2025-04-01 | Arsenic | MR | No | Archived |
| 2025-04-01 | Mercury | MR | No | Archived |
| 2025-04-01 | Selenium | MR | No | Archived |
| 2025-04-01 | Barium | MR | No | Archived |
| 2025-04-01 | Cadmium | MR | No | Archived |
| 2025-04-01 | Chromium | MR | No | Archived |
| 2025-04-01 | Antimony, Total | MR | No | Archived |
| 2025-04-01 | Beryllium, Total | MR | No | Archived |
| 2025-04-01 | Nickel | MR | No | Archived |
| 2025-04-01 | Thallium, Total | MR | No | Archived |
| 2025-04-01 | CYANIDE | MR | No | Archived |
| 2024-01-01 | Tetrachloroethylene | MR | No | Archived |
| 2024-01-01 | Fluoride | MR | No | Archived |
| 2024-01-01 | Arsenic | MR | No | Archived |
| 2024-01-01 | Mercury | MR | No | Archived |
| 2024-01-01 | Selenium | MR | No | Archived |
| 2024-01-01 | Barium | MR | No | Archived |
| 2024-01-01 | Cadmium | MR | No | Archived |
| 2024-01-01 | Chromium | MR | No | Archived |
| 2024-01-01 | Antimony, Total | MR | No | Archived |
| 2024-01-01 | Beryllium, Total | MR | No | Archived |
| 2024-01-01 | Nickel | MR | No | Archived |
| 2024-01-01 | Thallium, Total | MR | No | Archived |
| 2024-01-01 | CYANIDE | MR | No | Archived |