Ponderosa Park Dwid
PWSID AZ0413044 · Prescott, Arizona · serves 602 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 24 ppt | — | 5/6/2025 |
| PFOA | 7 ppt | 4 ppt | 5/6/2025 |
| PFHxA | 6.5 ppt | — | 5/6/2025 |
| PFPeA | 6.2 ppt | — | 5/6/2025 |
| PFHxS | 6.1 ppt | 10 ppt | 5/6/2025 |
| PFOS | 4.7 ppt | 4 ppt | 5/6/2025 |
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 | Radium-226 | MR | No | Archived |
| 2026-04-01 | Radium-228 | MR | No | Archived |
| 2026-04-01 | Combined Radium (-226 and -228) | MR | No | Archived |
| 2026-04-01 | Combined Radium (-226 and -228) | MCL | Yes | Archived |
| 2026-02-01 | Chlorine | MR | No | Resolved |
| 2025-08-20 | E. COLI | MR | No | Resolved |
| 2024-01-01 | TTHM | MR | No | Resolved |
| 2024-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-04-01 | Chlorine | MR | No | Resolved |
| 2022-04-01 | Chlorine | MR | No | Resolved |