Madison County Water Department
PWSID AL0000888 · Huntsville, Alabama · serves 119,100 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 8.3 ppt | — | 6/3/2025 |
| PFOS | 5 ppt | 4 ppt | 9/8/2025 |
| PFBA | 5 ppt | — | 9/8/2025 |
| PFOS | 4.9 ppt | 4 ppt | 12/19/2024 |
| PFBS | 4.7 ppt | — | 6/3/2025 |
| PFBS | 4.3 ppt | — | 9/8/2025 |
| PFOS | 4.1 ppt | 4 ppt | 6/3/2025 |
| PFBS | 4 ppt | — | 3/20/2025 |
| PFBS | 3.9 ppt | — | 12/19/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-01-11 | Endrin | MR | No | Resolved |
| 2023-01-11 | BHC-GAMMA | MR | No | Resolved |
| 2023-01-11 | Methoxychlor | MR | No | Resolved |
| 2023-01-11 | Toxaphene | MR | No | Resolved |
| 2023-01-11 | Dalapon | MR | No | Resolved |
| 2023-01-11 | Diquat | MR | No | Resolved |
| 2023-01-11 | Endothall | MR | No | Resolved |
| 2023-01-11 | Glyphosate | MR | No | Resolved |
| 2023-01-11 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2023-01-11 | OXAMYL | MR | No | Resolved |
| 2023-01-11 | Simazine | MR | No | Resolved |
| 2023-01-11 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2023-01-11 | Picloram | MR | No | Resolved |
| 2023-01-11 | Dinoseb | MR | No | Resolved |
| 2023-01-11 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2023-01-11 | Carbofuran | MR | No | Resolved |
| 2023-01-11 | Atrazine | MR | No | Resolved |
| 2023-01-11 | LASSO | MR | No | Resolved |
| 2023-01-11 | Heptachlor | MR | No | Resolved |
| 2023-01-11 | Heptachlor epoxide | MR | No | Resolved |
| 2023-01-11 | 2,4-D | MR | No | Resolved |
| 2023-01-11 | 2,4,5-TP | MR | No | Resolved |
| 2023-01-11 | HEXACHLOROBENZENE | MR | No | Resolved |
| 2023-01-11 | Benzo(a)pyrene | MR | No | Resolved |
| 2023-01-11 | Pentachlorophenol | MR | No | Resolved |
| 2023-01-11 | Total Polychlorinated Biphenyls (PCB) | MR | No | Resolved |
| 2023-01-11 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Resolved |
| 2023-01-11 | ETHYLENE DIBROMIDE | MR | No | Resolved |
| 2023-01-11 | Chlordane | MR | No | Resolved |