DUNNIGAN CHEVRON
PWS ID: CA5700751 · DUNNIGAN, California 95937
Population Served
205
Total Violations
37
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Yolo
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 31
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 23 | 2022 |
| Coliform (TCR) | MCL | 6 | 2009 |
| Nitrate | MR | 4 | 2017 |
| Coliform (TCR) | MR | 2 | 2016 |
| Nitrite | MR | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.