Sheffield Utilities, City Of Sheffield
PWSID AL0000327 · Sheffield, Alabama · serves 13,758 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 20 ppt | 4 ppt | 5/5/2025 |
| PFOS | 16 ppt | 4 ppt | 2/3/2025 |
| PFOS | 16 ppt | 4 ppt | 8/12/2025 |
| PFOA | 13 ppt | 4 ppt | 2/3/2025 |
| PFOA | 13 ppt | 4 ppt | 5/5/2025 |
| PFBA | 12 ppt | — | 8/12/2025 |
| PFOA | 11 ppt | 4 ppt | 8/12/2025 |
| PFBA | 7.6 ppt | — | 2/3/2025 |
| PFOS | 7.4 ppt | 4 ppt | 11/11/2024 |
| PFBA | 6.1 ppt | — | 5/5/2025 |
| PFOA | 5.5 ppt | 4 ppt | 11/11/2024 |
| PFBS | 4.7 ppt | — | 5/5/2025 |
| PFHxA | 3.9 ppt | — | 2/3/2025 |
| PFBS | 3.9 ppt | — | 8/12/2025 |
| PFHxA | 3.8 ppt | — | 5/5/2025 |
| PFHxA | 3.5 ppt | — | 8/12/2025 |
| PFBS | 3.4 ppt | — | 2/3/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | TTHM | MCL | Yes | Resolved |
| 2025-04-01 | TTHM | MCL | Yes | Resolved |