Sienna Mud 3
PWSID TX0790376 · Houston, Texas · serves 7,365 people · groundwater source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 130 ppt | — | 2/20/2023 |
| PFPeA | 110 ppt | — | 11/27/2023 |
| PFBA | 23 ppt | — | 11/27/2023 |
| PFBA | 9.2 ppt | — | 2/20/2023 |
| PFHxA | 4.7 ppt | — | 11/27/2023 |
| PFBS | 3.2 ppt | — | 11/27/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-11-01 | Revised Total Coliform Rule | MON | No | Resolved |