Ganado-Burnside-Cornfield-Steamboat Ntua
PWSID NN0403001 · Ft Defiance, Arizona · serves 3,947 people · groundwater source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 6.1 ppt | 10 ppt | 12/9/2024 |
| PFHxS | 4.3 ppt | 10 ppt | 6/17/2024 |
| PFHxA | 4 ppt | — | 12/9/2024 |
| PFPeA | 3.6 ppt | — | 12/9/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-10-01 | Public Notice | Other | No | Unaddressed |