RIO VIEJO WATER
PWS ID: AZ0410011 · TUCSON, Arizona 85719
Population Served
272
Total Violations
14
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 100
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MR | 8 | 2023 |
| Public Notice | Other | 4 | 2025 |
| Revised Total Coliform Rule | RPT | 2 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.