Tolleson City Of
PWSID AZ0407101 · Tolleson, Arizona · serves 9,300 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 14.2 ppt | — | 11/7/2023 |
| PFBS | 7.8 ppt | — | 6/7/2023 |
| PFBA | 6.5 ppt | — | 6/7/2023 |
| PFBA | 5.6 ppt | — | 3/22/2023 |
| PFBS | 3.7 ppt | — | 3/22/2023 |
| PFBS | 3.3 ppt | — | 12/5/2023 |
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 | TTHM | MR | No | Archived |
| 2026-04-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2026-03-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2026-01-01 | Chlorine | MR | No | Resolved |
| 2025-10-02 | Consumer Confidence Rule | Other | No | Resolved |
| 2025-07-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2022-07-01 | Surface Water Treatment Rule | MR | No | Resolved |