Gbra Calhoun County Rural Water System
PWSID TX0290007 · Cypress, Texas · serves 4,482 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| 6:2 FTS | 51 ppt | — | 11/4/2024 |
| PFPeA | 13.9 ppt | — | 2/5/2024 |
| PFPeA | 13.5 ppt | — | 2/5/2024 |
| PFPeA | 11.7 ppt | — | 10/7/2024 |
| PFPeA | 11.1 ppt | — | 8/20/2024 |
| PFPeA | 8.7 ppt | — | 11/4/2024 |
| PFPeA | 8.1 ppt | — | 11/4/2024 |
| PFPeA | 7.8 ppt | — | 5/6/2024 |
| PFBA | 7.7 ppt | — | 2/5/2024 |
| PFBA | 7.6 ppt | — | 2/5/2024 |
| PFPeA | 7.3 ppt | — | 5/6/2024 |
| PFHxA | 7.2 ppt | — | 2/5/2024 |
| PFHxA | 7.1 ppt | — | 2/5/2024 |
| PFBA | 6.8 ppt | — | 5/6/2024 |
| PFHxA | 6.7 ppt | — | 10/7/2024 |
| PFHxA | 6.6 ppt | — | 8/20/2024 |
| PFBA | 5.5 ppt | — | 5/6/2024 |
| PFBS | 5.4 ppt | — | 2/5/2024 |
| PFHxA | 5.1 ppt | — | 5/6/2024 |
| PFOS | 5 ppt | 4 ppt | 8/20/2024 |
| PFHxA | 4.9 ppt | — | 5/6/2024 |
| PFHxA | 4.8 ppt | — | 11/4/2024 |
| PFBS | 4.8 ppt | — | 2/5/2024 |
| PFOA | 4.8 ppt | 4 ppt | 8/20/2024 |
| PFHxA | 4.8 ppt | — | 11/4/2024 |
| PFHxS | 4.7 ppt | 10 ppt | 10/7/2024 |
| PFHxS | 4.7 ppt | 10 ppt | 5/6/2024 |
| PFHxS | 4.5 ppt | 10 ppt | 2/5/2024 |
| PFBS | 4.5 ppt | — | 10/7/2024 |
| PFHxS | 4.5 ppt | 10 ppt | 2/5/2024 |
| PFHxS | 4.4 ppt | 10 ppt | 8/20/2024 |
| PFHxS | 4.4 ppt | 10 ppt | 11/4/2024 |
| PFOA | 4.1 ppt | 4 ppt | 10/7/2024 |
| PFHxS | 4.1 ppt | 10 ppt | 11/4/2024 |
| PFHxS | 4 ppt | 10 ppt | 5/6/2024 |
| PFBS | 3.7 ppt | — | 8/20/2024 |
| PFBS | 3.6 ppt | — | 11/4/2024 |
| PFBS | 3.5 ppt | — | 5/6/2024 |
| PFBS | 3.5 ppt | — | 11/4/2024 |
| PFBS | 3.2 ppt | — | 5/6/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-06-26 | Public Notice | Other | No | Unaddressed |
| 2026-05-04 | Public Notice | Other | No | Unaddressed |
| 2026-04-01 | TTHM | MCL | Yes | Archived |
| 2026-01-01 | TTHM | MCL | Yes | Archived |
| 2025-10-31 | Public Notice | Other | No | Resolved |
| 2025-10-01 | Lead and Copper Rule | MR | No | Unaddressed |
| 2025-10-01 | TTHM | MCL | Yes | Archived |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2025-04-29 | Public Notice | Other | No | Resolved |
| 2025-04-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2024-11-21 | Public Notice | Other | No | Resolved |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-01-15 | Public Notice | Other | No | Resolved |
| 2024-01-01 | TTHM | MCL | Yes | Archived |
| 2023-12-26 | TTHM | MR | No | Resolved |
| 2023-10-01 | TTHM | MCL | Yes | Archived |