Epcor - San Tan Anthem
PWSID AZ0411136 · San Tan Valley, Arizona · serves 10,362 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 40 ppt | — | 3/17/2025 |
| PFPeA | 39 ppt | — | 9/8/2025 |
| PFBS | 24 ppt | — | 3/17/2025 |
| PFBS | 24 ppt | — | 9/8/2025 |
| PFHxA | 22 ppt | — | 3/17/2025 |
| PFHxA | 21 ppt | — | 9/8/2025 |
| PFOA | 19 ppt | 4 ppt | 9/8/2025 |
| PFOA | 17 ppt | 4 ppt | 3/17/2025 |
| PFBA | 6.7 ppt | — | 3/17/2025 |
| PFBA | 5.4 ppt | — | 9/8/2025 |
| PFHpA | 4.6 ppt | — | 9/8/2025 |
| PFHpA | 4 ppt | — | 3/17/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | Chlorine | MR | No | Resolved |
| 2024-04-01 | Chlorine | MR | No | Resolved |
| 2023-01-01 | Nitrate | MR | No | Resolved |
| 2022-04-01 | Chlorine | MR | No | Resolved |
| 2022-03-02 | Public Notice | Other | No | Resolved |