SIERRA HIGHLAND CSD
PWS ID: CA1400007 · BISHOP, California 93515
Population Served
600
Total Violations
10
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 215
- County
- Inyo
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 9
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 3 | 2019 |
| Revised Total Coliform Rule | MON | 2 | 2023 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| Nitrate | MR | 2 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.