USN SAN CLEMENTE ISLAND
PWS ID: CA3710707 · SAN DIEGO, California 92135-7088
Population Served
800
Total Violations
57
Health-Based Violations
50
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 221
- County
- San Diego
- School/Daycare
- No
- MCL Violations
- 46
- Monitoring Violations
- 7
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 45 | 2014 |
| Coliform (TCR) | MR | 5 | 2011 |
| Surface Water Treatment Rule | TT | 4 | 2025 |
| Revised Total Coliform Rule | MON | 2 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.