City Of Nassau Bay
PWSID TX1010152 · Nassau Bay, Texas · serves 5,347 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| 6:2 FTS | 9.7 ppt | — | 6/4/2025 |
| PFBA | 7.1 ppt | — | 10/14/2025 |
| 6:2 FTS | 6.9 ppt | — | 6/4/2025 |
| PFBA | 6.6 ppt | — | 6/4/2025 |
| PFBA | 6.3 ppt | — | 6/4/2025 |
| PFBA | 6.2 ppt | — | 4/16/2025 |
| PFBA | 5.9 ppt | — | 4/16/2025 |
| PFBA | 5.1 ppt | — | 3/3/2026 |
| PFPeA | 4.7 ppt | — | 4/16/2025 |
| PFPeA | 4.6 ppt | — | 4/16/2025 |
| PFHxA | 4.5 ppt | — | 4/16/2025 |
| PFHxA | 4.3 ppt | — | 4/16/2025 |
| PFHxA | 3.4 ppt | — | 6/4/2025 |
| PFPeA | 3.4 ppt | — | 6/4/2025 |
| PFPeA | 3.1 ppt | — | 10/14/2025 |
| PFHxA | 3 ppt | — | 10/14/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-05-01 | Revised Total Coliform Rule | MON | No | Archived |
| 2024-03-01 | Revised Total Coliform Rule | MON | No | Resolved |