Clear Brook City Mud
PWSID TX1010418 · Houston, Texas · serves 18,246 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 7.1 ppt | — | 11/12/2024 |
| PFBA | 7.1 ppt | — | 11/12/2024 |
| PFBA | 6.6 ppt | — | 11/12/2024 |
| PFBA | 6.2 ppt | — | 5/15/2025 |
| PFBA | 5.9 ppt | — | 5/15/2025 |
| PFBA | 5.7 ppt | — | 11/12/2024 |
| PFBA | 5.6 ppt | — | 5/15/2025 |
| PFBA | 5.5 ppt | — | 5/15/2025 |
| PFHxA | 5 ppt | — | 5/15/2025 |
| PFHxA | 4.6 ppt | — | 5/15/2025 |
| PFOS | 4.6 ppt | 4 ppt | 8/29/2025 |
| PFPeA | 4.5 ppt | — | 11/12/2024 |
| PFHxA | 4.4 ppt | — | 5/15/2025 |
| PFPeA | 4.3 ppt | — | 2/4/2025 |
| PFOS | 4.3 ppt | 4 ppt | 5/15/2025 |
| PFOS | 4.3 ppt | 4 ppt | 5/15/2025 |
| PFPeA | 4.2 ppt | — | 11/12/2024 |
| PFOS | 4.2 ppt | 4 ppt | 5/15/2025 |
| PFPeA | 4.2 ppt | — | 5/15/2025 |
| PFPeA | 4.2 ppt | — | 5/15/2025 |
| PFHxA | 4.1 ppt | — | 11/12/2024 |
| PFPeA | 4.1 ppt | — | 11/12/2024 |
| PFOS | 4.1 ppt | 4 ppt | 8/29/2025 |
| PFHxA | 4 ppt | — | 5/15/2025 |
| PFPeA | 4 ppt | — | 5/15/2025 |
| PFPeA | 3.9 ppt | — | 5/15/2025 |
| PFPeA | 3.9 ppt | — | 11/12/2024 |
| PFHxA | 3.9 ppt | — | 11/12/2024 |
| PFHxA | 3.8 ppt | — | 11/12/2024 |
| PFPeA | 3.8 ppt | — | 2/4/2025 |
| PFPeA | 3.8 ppt | — | 2/4/2025 |
| PFPeA | 3.7 ppt | — | 2/4/2025 |
| PFHxA | 3.7 ppt | — | 2/4/2025 |
| PFHxA | 3.7 ppt | — | 11/12/2024 |
| PFPeA | 3.7 ppt | — | 8/29/2025 |
| PFHxS | 3.5 ppt | 10 ppt | 5/15/2025 |
| PFHxA | 3.5 ppt | — | 2/4/2025 |
| PFHxA | 3.4 ppt | — | 8/29/2025 |
| PFHxA | 3.4 ppt | — | 2/4/2025 |
| PFHxS | 3.3 ppt | 10 ppt | 5/15/2025 |
| PFHxS | 3.2 ppt | 10 ppt | 5/15/2025 |
| PFHxA | 3.1 ppt | — | 2/4/2025 |
| PFPeA | 3.1 ppt | — | 8/29/2025 |
| PFBS | 3 ppt | — | 11/12/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2022-01-30 | Public Notice | Other | No | Resolved |