Prescott City Of
PWSID AZ0413045 · Prescott, Arizona · serves 42,217 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 14.9 ppt | — | 11/7/2023 |
| PFHxA | 12.6 ppt | — | 11/7/2023 |
| PFOA | 11.4 ppt | 4 ppt | 11/7/2023 |
| PFPeA | 10 ppt | — | 5/16/2023 |
| PFOA | 10 ppt | 4 ppt | 5/16/2023 |
| PFHxA | 10 ppt | — | 5/16/2023 |
| PFOS | 8.7 ppt | 4 ppt | 11/7/2023 |
| PFOS | 8 ppt | 4 ppt | 5/16/2023 |
| PFBS | 7.5 ppt | — | 11/7/2023 |
| PFBS | 7 ppt | — | 5/16/2023 |
| PFHxS | 6.5 ppt | 10 ppt | 11/7/2023 |
| PFHxS | 6 ppt | 10 ppt | 5/16/2023 |
| PFHxS | 5 ppt | 10 ppt | 5/16/2023 |
| PFHxS | 4.9 ppt | 10 ppt | 11/7/2023 |
| PFPeA | 4.3 ppt | — | 11/7/2023 |
| PFHxA | 4 ppt | — | 5/16/2023 |
| PFPeA | 4 ppt | — | 5/16/2023 |
| PFPeA | 3.8 ppt | — | 11/7/2023 |
| PFHxA | 3.6 ppt | — | 11/7/2023 |
| PFHpA | 3.6 ppt | — | 11/7/2023 |
| PFHxA | 3.5 ppt | — | 11/7/2023 |
| PFHpA | 3 ppt | — | 5/16/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2025-04-01 | Arsenic | MR | No | Resolved |
| 2025-04-01 | Arsenic | MR | No | Resolved |
| 2025-03-25 | Public Notice | Other | No | Resolved |
| 2025-01-03 | Groundwater Rule | TT | Yes | Resolved |
| 2024-04-01 | Arsenic | MR | No | Resolved |
| 2024-04-01 | Arsenic | MR | No | Resolved |
| 2022-07-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2022-07-01 | Combined Uranium | MR | No | Resolved |
| 2022-07-01 | Combined Radium (-226 and -228) | MR | No | Resolved |
| 2022-07-01 | Radium-226 | MR | No | Resolved |
| 2022-07-01 | Radium-228 | MR | No | Resolved |
| 2022-07-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2022-07-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-07-01 | Xylenes, Total | MR | No | Resolved |
| 2022-07-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2022-07-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2022-07-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2022-07-01 | Vinyl chloride | MR | No | Resolved |
| 2022-07-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2022-07-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-07-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2022-07-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2022-07-01 | Carbon tetrachloride | MR | No | Resolved |
| 2022-07-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2022-07-01 | Trichloroethylene | MR | No | Resolved |
| 2022-07-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2022-07-01 | Tetrachloroethylene | MR | No | Resolved |
| 2022-07-01 | CHLOROBENZENE | MR | No | Resolved |
| 2022-07-01 | Benzene | MR | No | Resolved |
| 2022-07-01 | Toluene | MR | No | Resolved |
| 2022-07-01 | Ethylbenzene | MR | No | Resolved |
| 2022-07-01 | Styrene | MR | No | Resolved |
| 2022-01-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2022-01-01 | Combined Uranium | MR | No | Resolved |
| 2022-01-01 | Combined Radium (-226 and -228) | MR | No | Resolved |
| 2022-01-01 | Radium-226 | MR | No | Resolved |
| 2022-01-01 | Radium-228 | MR | No | Resolved |