RIVERDALE PARK TRACT CSD
PWS ID: CA5000019 · MODESTO, California 95356
Population Served
610
Total Violations
23
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 180
- County
- Stanislaus
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 9
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 8 | 2009 |
| Combined Uranium | MCL | 6 | 2020 |
| Coliform (TCR) | MR | 4 | 1997 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| Combined Uranium | MR | 2 | 2024 |
| Lead and Copper Rule | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.