Mesa City of
PWSID: AZ0407095
System Details
| Population Served | 466,000 |
| Service Connections | 142,500 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Mesa |
| Zip Code | 85211 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0039 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0037 mg/L | 0.015 mg/L | Below Action Level |
Violation History (111 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | Major | Acknowledged |
| | 2025-03-01 | Major | Acknowledged |
| | 2025-03-01 | Major | Returned to Compliance |
| | 2025-02-01 | Major | Acknowledged |
| | 2025-02-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Acknowledged |
| | 2022-07-01 | Major | Acknowledged |
| | 2022-07-01 | Major | Acknowledged |
| | 2022-07-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Returned to Compliance |
| | 2021-01-01 | Major | Acknowledged |
| | 2020-07-01 | Major | Returned to Compliance |
| | 2020-04-01 | | Returned to Compliance |
| | 2020-04-01 | | Returned to Compliance |
| | 2020-04-01 | | Returned to Compliance |
| | 2020-02-01 | Major | Returned to Compliance |
| | 2020-02-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
Showing 50 of 111 historical violations.