SIERRA ESTATES MUTUAL WATER COMPANY
PWS ID: CA2900548 · PENN VALLEY, California 95946
Population Served
100
Total Violations
66
Health-Based Violations
43
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 32
- County
- Nevada
- School/Daycare
- No
- MCL Violations
- 42
- Monitoring Violations
- 6
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 42 | 2015 |
| Coliform (TCR) | MR | 3 | 1997 |
| Lead and Copper Rule | MR | 3 | 2023 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.