Halifax Water Department
PWSID MA4118000 · Halifax, Massachusetts · serves 7,575 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOA | 7.7 ppt | 4 ppt | 11/18/2025 |
| PFHxA | 6.7 ppt | — | 11/18/2025 |
| PFOA | 5.7 ppt | 4 ppt | 1/10/2024 |
| PFOA | 5.7 ppt | 4 ppt | 11/18/2025 |
| PFPeA | 5.6 ppt | — | 11/18/2025 |
| PFHxS | 5.4 ppt | 10 ppt | 11/18/2025 |
| PFOS | 4.8 ppt | 4 ppt | 11/18/2025 |
| PFOA | 4.6 ppt | 4 ppt | 1/10/2024 |
| PFHxA | 4.4 ppt | — | 1/10/2024 |
| PFBS | 4.2 ppt | — | 11/18/2025 |
| PFHxA | 4.2 ppt | — | 11/18/2025 |
| PFPeA | 4 ppt | — | 1/10/2024 |
| PFPeA | 3.8 ppt | — | 11/18/2025 |
| PFHxS | 3.7 ppt | 10 ppt | 1/10/2024 |
| PFHxS | 3.7 ppt | 10 ppt | 11/18/2025 |
| PFBS | 3 ppt | — | 11/18/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Hexachlorocyclopentadiene | MR | No | Archived |
| 2026-01-01 | OXAMYL | MR | No | Archived |
| 2026-01-01 | Picloram | MR | No | Archived |
| 2026-01-01 | Simazine | MR | No | Archived |
| 2026-01-01 | 2,3,7,8-TCDD | MR | No | Archived |
| 2026-01-01 | Fluoride | MR | No | Archived |
| 2026-01-01 | Arsenic | MR | No | Archived |
| 2026-01-01 | Mercury | MR | No | Archived |
| 2026-01-01 | Selenium | MR | No | Archived |
| 2026-01-01 | Barium | MR | No | Archived |
| 2026-01-01 | Cadmium | MR | No | Archived |
| 2026-01-01 | Chromium | MR | No | Archived |
| 2026-01-01 | Antimony, Total | MR | No | Archived |
| 2026-01-01 | Beryllium, Total | MR | No | Archived |
| 2026-01-01 | Nickel | MR | No | Archived |
| 2026-01-01 | Thallium, Total | MR | No | Archived |
| 2026-01-01 | CYANIDE | MR | No | Archived |
| 2026-01-01 | LASSO | MR | No | Archived |
| 2026-01-01 | Atrazine | MR | No | Archived |
| 2026-01-01 | Carbofuran | MR | No | Archived |
| 2026-01-01 | Chlordane | MR | No | Archived |
| 2026-01-01 | 2,4-D | MR | No | Archived |
| 2026-01-01 | Endrin | MR | No | Archived |
| 2026-01-01 | ETHYLENE DIBROMIDE | MR | No | Archived |
| 2026-01-01 | Heptachlor epoxide | MR | No | Archived |
| 2026-01-01 | Heptachlor | MR | No | Archived |
| 2026-01-01 | Pentachlorophenol | MR | No | Archived |
| 2026-01-01 | Toxaphene | MR | No | Archived |
| 2026-01-01 | 2,4,5-TP | MR | No | Archived |
| 2026-01-01 | Methoxychlor | MR | No | Archived |
| 2026-01-01 | BHC-GAMMA | MR | No | Archived |
| 2026-01-01 | Total Polychlorinated Biphenyls (PCB) | MR | No | Archived |
| 2026-01-01 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Archived |
| 2026-01-01 | Benzo(a)pyrene | MR | No | Archived |
| 2026-01-01 | Dalapon | MR | No | Archived |
| 2026-01-01 | Di(2-ethylhexyl) adipate | MR | No | Archived |
| 2026-01-01 | Di(2-ethylhexyl) phthalate | MR | No | Archived |
| 2026-01-01 | Dinoseb | MR | No | Archived |
| 2026-01-01 | Diquat | MR | No | Archived |
| 2026-01-01 | Endothall | MR | No | Archived |
| 2026-01-01 | Glyphosate | MR | No | Archived |
| 2026-01-01 | HEXACHLOROBENZENE | MR | No | Archived |
| 2025-07-01 | Nitrate | MR | No | Archived |
| 2025-04-01 | Nitrate | MR | No | Archived |
| 2023-04-01 | Nitrate | MR | No | Archived |
| 2023-04-01 | Nitrite | MR | No | Archived |
| 2023-04-01 | Gross Alpha, Excl. Radon and U | MR | No | Archived |
| 2023-04-01 | Radium-226 | MR | No | Archived |
| 2023-04-01 | Radium-228 | MR | No | Archived |
| 2022-09-01 | Revised Total Coliform Rule | MON | No | Resolved |