SAN JOAQUIN COUNTY - COLONIAL HEIGHTS
PWS ID: CA3910002 · STOCKTON, California 95205
Population Served
1,841
Total Violations
1
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 559
- County
- San Joaquin
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 1
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.