Big Oaks Mud
PWSID TX0790332 · Houston, Texas · serves 6,450 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxA | 6.9 ppt | — | 3/13/2023 |
| PFPeA | 6.7 ppt | — | 3/13/2023 |
| PFBA | 5.6 ppt | — | 3/13/2023 |
| PFOS | 4.3 ppt | 4 ppt | 3/13/2023 |
| PFBS | 3.3 ppt | — | 3/13/2023 |
| PFHxS | 3.2 ppt | 10 ppt | 3/13/2023 |
| PFHxA | 3.2 ppt | — | 7/13/2023 |
| PFPeA | 3.1 ppt | — | 7/13/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Consumer Confidence Rule | Other | No | Unaddressed |