Dyess Air Force Base
PWSID TX2210013 · Dyess Afb, Texas · serves 7,183 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 21 ppt | 4 ppt | 7/15/2025 |
| PFBA | 20 ppt | — | 7/9/2025 |
| PFOS | 19.3 ppt | 4 ppt | 1/22/2025 |
| PFHxS | 19 ppt | 10 ppt | 1/22/2025 |
| PFHxS | 18.9 ppt | 10 ppt | 1/22/2025 |
| PFOS | 18.9 ppt | 4 ppt | 7/23/2025 |
| PFOS | 18.2 ppt | 4 ppt | 1/22/2025 |
| PFOS | 18 ppt | 4 ppt | 7/9/2025 |
| PFOS | 17.5 ppt | 4 ppt | 7/23/2025 |
| PFHxS | 17 ppt | 10 ppt | 7/15/2025 |
| PFBA | 15.6 ppt | — | 1/22/2025 |
| PFBA | 15.6 ppt | — | 7/23/2025 |
| PFBA | 15.2 ppt | — | 1/22/2025 |
| PFHxA | 15 ppt | — | 1/22/2025 |
| PFHxS | 15 ppt | 10 ppt | 7/9/2025 |
| PFHxA | 15 ppt | — | 1/22/2025 |
| PFBA | 15 ppt | — | 7/15/2025 |
| PFHxS | 14.9 ppt | 10 ppt | 7/23/2025 |
| PFHxS | 14.9 ppt | 10 ppt | 10/20/2025 |
| PFHxA | 14 ppt | — | 7/15/2025 |
| PFHxS | 14 ppt | 10 ppt | 3/2/2026 |
| PFBA | 14 ppt | — | 3/2/2026 |
| PFOS | 14 ppt | 4 ppt | 3/2/2026 |
| PFHxS | 13.9 ppt | 10 ppt | 7/23/2025 |
| PFHxA | 13.6 ppt | — | 7/23/2025 |
| PFPeA | 13.4 ppt | — | 1/22/2025 |
| PFPeA | 13.3 ppt | — | 1/22/2025 |
| PFHxA | 12.3 ppt | — | 7/23/2025 |
| PFPeA | 12 ppt | — | 7/9/2025 |
| PFHxA | 12 ppt | — | 7/9/2025 |
| PFPeA | 12 ppt | — | 7/15/2025 |
| PFHxA | 12 ppt | — | 3/2/2026 |
| PFBA | 11.9 ppt | — | 10/20/2025 |
| PFHxA | 10.9 ppt | — | 10/20/2025 |
| PFPeA | 10 ppt | — | 7/23/2025 |
| PFPeA | 10 ppt | — | 3/2/2026 |
| PFPeA | 9.1 ppt | — | 10/20/2025 |
| PFPeA | 9 ppt | — | 7/23/2025 |
| PFBA | 8.7 ppt | — | 7/23/2025 |
| PFOS | 8.5 ppt | 4 ppt | 10/20/2025 |
| PFHpA | 7.4 ppt | — | 1/22/2025 |
| PFHpA | 7.3 ppt | — | 1/22/2025 |
| PFBS | 7.1 ppt | — | 7/15/2025 |
| PFHpA | 6.8 ppt | — | 7/9/2025 |
| PFHpA | 6.8 ppt | — | 7/15/2025 |
| PFHpA | 6.5 ppt | — | 7/23/2025 |
| PFOA | 6.2 ppt | 4 ppt | 1/22/2025 |
| PFBS | 6.1 ppt | — | 1/22/2025 |
| PFOA | 6.1 ppt | 4 ppt | 1/22/2025 |
| PFBS | 6 ppt | — | 7/23/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉