Fairchild Air Force Base
PWSID WA5324350 · Fairchild Afb, Washington · serves 9,544 people · groundwater source
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PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 17 ppt | 10 ppt | 7/22/2025 |
| PFHxS | 16 ppt | 10 ppt | 1/21/2025 |
| PFHxS | 8.4 ppt | 10 ppt | 1/21/2025 |
| PFOS | 7.9 ppt | 4 ppt | 7/22/2025 |
| PFOS | 4.5 ppt | 4 ppt | 1/21/2025 |
| PFPeA | 3.6 ppt | — | 1/21/2025 |
| PFBS | 3.6 ppt | — | 7/22/2025 |
| PFHxA | 3.5 ppt | — | 1/21/2025 |
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. 🎉