RIO MESA HIGH SCHOOL/OXNARD UHS
PWS ID: CA5602407 · OXNARD, California 93030
Population Served
2,600
Total Violations
8
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 13
- County
- Ventura
- School/Daycare
- Yes
- MCL Violations
- 2
- Monitoring Violations
- 2
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 2 | 1997 |
| Revised Total Coliform Rule | MON | 2 | 2022 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.