Redwood Valley Rancheria
PWS ID: 090605118 · Redwood Valley, 09 95470
Population Served
152
Total Violations
128
Health-Based Violations
1
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 33
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 45
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 27 | 2015 |
| Chlorine | MR | 6 | 2024 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Lead and Copper Rule | MR | 4 | 2007 |
| Consumer Confidence Rule | Other | 4 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2015 |
| TTHM | MR | 2 | 2015 |
| Groundwater Rule | TT | 1 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.