ROCKFORD SCHOOL
PWS ID: CA5400884 · PORTERVILLE, California 93257
Population Served
321
Total Violations
24
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 4
- County
- Tulare
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 5
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 2011 |
| Nitrate | MR | 3 | 2008 |
| Coliform (TCR) | MR | 2 | 2011 |
| 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.