RIVERSIDE CSD
PWS ID: CA1200518 · FERNDALE, California 95536
Population Served
333
Total Violations
20
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 101
- County
- Humboldt
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2009 |
| Lead and Copper Rule | MR | 5 | 2019 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.