Harris County Mud 257
PWSID TX1012985 · Houston, Texas · serves 3,501 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 10 ppt | — | 12/8/2025 |
| PFBA | 5.6 ppt | — | 3/11/2025 |
| PFPeA | 4.3 ppt | — | 12/8/2025 |
| PFBS | 3.8 ppt | — | 12/8/2025 |
| PFPeA | 3.4 ppt | — | 3/11/2025 |
| PFHxA | 3.4 ppt | — | 12/8/2025 |
| PFHxA | 3.2 ppt | — | 3/11/2025 |
| PFPeA | 3 ppt | — | 6/9/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-08-01 | Revised Total Coliform Rule | MON | No | Resolved |