MARIANA RANCHOS CWD
PWS ID: CA3610030 · APPLE VALLEY, California 92308
Population Served
1,502
Total Violations
20
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 455
- County
- San Bernardino
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 7
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 11 | 2015 |
| Coliform (TCR) | MR | 5 | 2008 |
| Lead and Copper Rule | MR | 2 | 2012 |
| Coliform (TCR) | Other | 2 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.