City Of Cockrell Hill
PWSID TX0570038 · Dallas, Texas · serves 3,855 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 15.8 ppt | — | 10/24/2023 |
| PFHxA | 15.7 ppt | — | 10/24/2023 |
| PFBA | 9.5 ppt | — | 10/24/2023 |
| PFPeA | 9.5 ppt | — | 11/6/2023 |
| PFHxA | 9.2 ppt | — | 11/6/2023 |
| PFPeA | 8.9 ppt | — | 5/2/2023 |
| PFHxA | 8.6 ppt | — | 5/2/2023 |
| PFBA | 7.4 ppt | — | 10/8/2024 |
| PFBA | 7.3 ppt | — | 5/2/2023 |
| PFBS | 6.9 ppt | — | 10/24/2023 |
| PFPeA | 5.5 ppt | — | 10/8/2024 |
| PFHxA | 5.2 ppt | — | 10/8/2024 |
| PFBS | 5.1 ppt | — | 5/2/2023 |
| PFOA | 5.1 ppt | 4 ppt | 10/24/2023 |
| PFHpA | 4.4 ppt | — | 10/24/2023 |
| PFBS | 4.3 ppt | — | 11/6/2023 |
| PFHxS | 4.2 ppt | 10 ppt | 5/2/2023 |
| PFOS | 4.1 ppt | 4 ppt | 10/24/2023 |
| PFBS | 3.5 ppt | — | 10/8/2024 |
| PFHxS | 3.1 ppt | 10 ppt | 10/24/2023 |
| PFHpA | 3 ppt | — | 5/2/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | Revised Total Coliform Rule | MON | No | Resolved |