O'CONNOR HOSPITAL
PWS ID: CA4300808 · SAN JOSE, California 95128
Population Served
2,500
Total Violations
31
Health-Based Violations
7
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 2
- County
- Santa Clara
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 21
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 7 | 2019 |
| Coliform (TCR) | MR | 6 | 2015 |
| Coliform (TCR) | MCL | 6 | 2015 |
| Revised Total Coliform Rule | MON | 6 | 2024 |
| Nitrate | MR | 2 | 2010 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.