Big Park Water Company
PWSID AZ0413012 · Sedona, Arizona · serves 7,392 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 28 ppt | — | 1/30/2023 |
| PFOA | 21 ppt | 4 ppt | 1/30/2023 |
| PFPeA | 4.6 ppt | — | 8/14/2023 |
| PFHxA | 4.6 ppt | — | 8/14/2023 |
| PFOS | 4.1 ppt | 4 ppt | 1/30/2023 |
| PFBS | 4.1 ppt | — | 8/14/2023 |
| PFHpA | 4 ppt | — | 1/30/2023 |
| PFHxA | 3.9 ppt | — | 1/30/2023 |
| PFHxS | 3.3 ppt | 10 ppt | 1/30/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | Arsenic | MR | No | Archived |
| 2026-04-01 | Arsenic | MR | No | Archived |
| 2026-04-01 | Arsenic | MR | No | Archived |
| 2026-03-09 | Public Notice | Other | No | Unaddressed |
| 2025-12-28 | E. COLI | MR | No | Resolved |
| 2025-12-13 | E. COLI | MR | No | Resolved |
| 2025-11-09 | Revised Total Coliform Rule | TT | Yes | Unaddressed |
| 2025-10-02 | Consumer Confidence Rule | Other | No | Unaddressed |
| 2025-10-01 | Arsenic | MR | No | Resolved |
| 2025-10-01 | Arsenic | MR | No | Resolved |
| 2025-06-22 | Public Notice | Other | No | Resolved |
| 2025-04-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2025-04-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2025-04-01 | Xylenes, Total | MR | No | Resolved |
| 2025-04-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2025-04-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2025-04-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2025-04-01 | Vinyl chloride | MR | No | Resolved |
| 2025-04-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2025-04-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2025-04-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2025-04-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2025-04-01 | Carbon tetrachloride | MR | No | Resolved |
| 2025-04-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2025-04-01 | Trichloroethylene | MR | No | Resolved |
| 2025-04-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2025-04-01 | Tetrachloroethylene | MR | No | Resolved |
| 2025-04-01 | CHLOROBENZENE | MR | No | Resolved |
| 2025-04-01 | Benzene | MR | No | Resolved |
| 2025-04-01 | Toluene | MR | No | Resolved |
| 2025-04-01 | Ethylbenzene | MR | No | Resolved |
| 2025-04-01 | Styrene | MR | No | Resolved |
| 2025-03-03 | Public Notice | Other | No | Resolved |
| 2024-12-27 | Public Notice | Other | No | Resolved |
| 2024-10-01 | Arsenic | MCL | Yes | Resolved |
| 2024-07-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2024-07-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2024-07-01 | Xylenes, Total | MR | No | Resolved |
| 2024-07-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2024-07-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2024-07-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2024-07-01 | Vinyl chloride | MR | No | Resolved |
| 2024-07-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2024-07-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2024-07-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2024-07-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2024-07-01 | Carbon tetrachloride | MR | No | Resolved |
| 2024-07-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2024-07-01 | Trichloroethylene | MR | No | Resolved |
| 2024-07-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2024-07-01 | Tetrachloroethylene | MR | No | Resolved |
| 2024-07-01 | CHLOROBENZENE | MR | No | Resolved |
| 2024-07-01 | Benzene | MR | No | Resolved |
| 2024-07-01 | Toluene | MR | No | Resolved |
| 2024-07-01 | Ethylbenzene | MR | No | Resolved |
| 2024-07-01 | Styrene | MR | No | Resolved |
| 2024-07-01 | Arsenic | MCL | Yes | Resolved |
| 2024-05-15 | Public Notice | Other | No | Resolved |
| 2024-04-06 | E. COLI | MR | No | Resolved |
| 2024-04-01 | Arsenic | MCL | Yes | Resolved |
| 2024-04-01 | Arsenic | MCL | Yes | Resolved |
| 2024-01-01 | Arsenic | MCL | Yes | Resolved |
| 2023-10-28 | Public Notice | Other | No | Resolved |
| 2023-10-02 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-07-31 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2023-07-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-04-01 | Arsenic | MR | No | Resolved |
| 2023-04-01 | Arsenic | MR | No | Resolved |
| 2023-04-01 | Arsenic | MR | No | Resolved |
| 2023-01-01 | Arsenic | MR | No | Resolved |
| 2022-11-15 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2022-04-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2022-04-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-04-01 | Xylenes, Total | MR | No | Resolved |
| 2022-04-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2022-04-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2022-04-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2022-04-01 | Vinyl chloride | MR | No | Resolved |
| 2022-04-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2022-04-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-04-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2022-04-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2022-04-01 | Carbon tetrachloride | MR | No | Resolved |
| 2022-04-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2022-04-01 | Trichloroethylene | MR | No | Resolved |
| 2022-04-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2022-04-01 | Tetrachloroethylene | MR | No | Resolved |
| 2022-04-01 | CHLOROBENZENE | MR | No | Resolved |
| 2022-04-01 | Benzene | MR | No | Resolved |
| 2022-04-01 | Toluene | MR | No | Resolved |
| 2022-04-01 | Ethylbenzene | MR | No | Resolved |
| 2022-04-01 | Styrene | MR | No | Resolved |
| 2022-04-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2022-04-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2022-04-01 | Xylenes, Total | MR | No | Resolved |
| 2022-04-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2022-04-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2022-04-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2022-04-01 | Vinyl chloride | MR | No | Resolved |
| 2022-04-01 | 1,1-Dichloroethylene | MR | No | Resolved |