DUNCAN ELEMENTARY SCHOOL
PWS ID: AZ0406006 · DUNCAN, Arizona 85534
Population Served
450
Total Violations
91
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Greenlee
- School/Daycare
- Yes
- MCL Violations
- 1
- Monitoring Violations
- 72
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 30 | 2025 |
| Coliform (TCR) | MR | 28 | 2016 |
| Revised Total Coliform Rule | MON | 7 | 2020 |
| Nitrate | MR | 5 | 2004 |
| Public Notice | Other | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| Chlorine | MR | 2 | 2007 |
| Revised Total Coliform Rule | RPT | 2 | 2019 |
| Fluoride | MCL | 1 | 1983 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.