Big Valley Rancheria Water District
PWS ID: 090605164 · Lakeport, 09 95453
Population Served
417
Total Violations
142
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 49
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 1
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 1 | 2018 |
| Coliform (TCR) | MCL | 1 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.