SISKIYOU CO. ROLLING HILLS MWC
PWS ID: CA4700528 · YREKA, California 96097
Population Served
300
Total Violations
13
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 96
- County
- Siskiyou
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 6 | 2014 |
| Coliform (TCR) | MR | 4 | 2015 |
| Lead and Copper Rule | MR | 1 | 1993 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.