CDPR FOUR RIVERS DISTRICT-SAN LUIS CREEK
PWS ID: CA2410304 · COLUMBIA, California 95310
Population Served
653
Total Violations
14
Health-Based Violations
2
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 11
- County
- Merced
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 6 | 2020 |
| Surface Water Treatment Rule | MR | 4 | 2006 |
| Coliform (TCR) | MR | 2 | 2009 |
| Coliform (TCR) | MCL | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.