Flagstaff City Of
PWSID AZ0403008 · Flagstaff, Arizona · serves 79,796 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 6.1 ppt | — | 8/29/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2025-06-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2024-01-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2023-07-01 | Chlorite | MR | No | Resolved |
| 2023-04-01 | CARBON, TOTAL | MR | No | Resolved |
| 2023-01-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2023-01-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-01-01 | Xylenes, Total | MR | No | Resolved |
| 2023-01-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2023-01-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2023-01-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2023-01-01 | Vinyl chloride | MR | No | Resolved |
| 2023-01-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2023-01-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2023-01-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2023-01-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2023-01-01 | Carbon tetrachloride | MR | No | Resolved |
| 2023-01-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2023-01-01 | Trichloroethylene | MR | No | Resolved |
| 2023-01-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2023-01-01 | Tetrachloroethylene | MR | No | Resolved |
| 2023-01-01 | CHLOROBENZENE | MR | No | Resolved |
| 2023-01-01 | Benzene | MR | No | Resolved |
| 2023-01-01 | Toluene | MR | No | Resolved |
| 2023-01-01 | Ethylbenzene | MR | No | Resolved |
| 2023-01-01 | Styrene | MR | No | Resolved |
| 2022-08-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2022-08-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2022-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-07-01 | CARBON, TOTAL | MR | No | Resolved |
| 2022-04-01 | CARBON, TOTAL | MR | No | Resolved |