DEL ORO GRANDVIEW GARDENS DISTRICT
PWS ID: CA5400666 · CHICO, California 95927
Population Served
323
Total Violations
107
Health-Based Violations
66
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 98
- County
- Tulare
- School/Daycare
- No
- MCL Violations
- 66
- Monitoring Violations
- 33
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 58 | 2024 |
| Coliform (TCR) | MR | 25 | 2011 |
| Nitrate-Nitrite | MCL | 8 | 2018 |
| Nitrate | MR | 5 | 2005 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| Consumer Confidence Rule | Other | 2 | 2008 |
| 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.