MANDALA WATER SYSTEM
PWS ID: CA1700650 · SAN RAFAEL, California 94912
Population Served
212
Total Violations
18
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 113
- County
- Lake
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 10 | 2014 |
| Coliform (TCR) | MCL | 2 | 2009 |
| Nitrate | MR | 2 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.