STANISLAUS UNION SCHOOL DIST
PWS ID: CA5000249 · MODESTO, California 95320
Population Served
390
Total Violations
20
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Stanislaus
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 2002 |
| Coliform (TCR) | MR | 4 | 2006 |
| Lead and Copper Rule | MR | 2 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.