MOUNT LAGUNA WATER SYSTEM
PWS ID: CA3700019 · SAN DIEGO, California 92127
Population Served
500
Total Violations
21
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 64
- County
- San Diego
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 4
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 16 | 2015 |
| Coliform (TCR) | MR | 4 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.