Duncan Town of
PWSID: AZ0406001
System Details
| Population Served | 605 |
| Service Connections | 300 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Duncan |
| Zip Code | 85534 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 1.6000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0190 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0038 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0035 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0023 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Open |
Violation History (458 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-01-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Returned to Compliance |
| | 2025-01-01 | | Acknowledged |
| | 2025-01-01 | | Acknowledged |
Showing 50 of 457 historical violations.