ORGAN PIPE NM HEADQUARTERS
PWS ID: AZ0410701 · AJO, Arizona 85321-9626
Population Served
755
Total Violations
90
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 40
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 80
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2015 |
| Nitrate | MR | 14 | 2018 |
| Chlorine | MR | 11 | 2024 |
| TTHM | MR | 10 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2023 |
| Lead and Copper Rule | MR | 4 | 2025 |
| Revised Total Coliform Rule | RPT | 3 | 2024 |
| Fluoride | MR | 3 | 1989 |
| Public Notice | Other | 2 | 2020 |
| Arsenic | MR | 2 | 1989 |
| Mercury | MR | 2 | 1989 |
| Selenium | MR | 2 | 1989 |
| Chromium | MR | 2 | 1989 |
| Barium | MR | 2 | 1989 |
| Cadmium | MR | 2 | 1989 |
| Fluoride | MCL | 1 | 1982 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.