SUBURBAN WATER SYSTEMS-COVINA KNOLLS
PWS ID: CA1910200 · COVINA, California 91724
Population Served
1,437
Total Violations
4
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 495
- County
- Los Angeles
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 0
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 2 | 1993 |
| Coliform (TCR) | MCL | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.