RIVERSIDE MOBILE HOME COURT
PWS ID: SD4600508 · SPEARFISH, South Dakota 57783
Population Served
75
Total Violations
168
Health-Based Violations
82
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 34
- County
- Butte
- School/Daycare
- No
- MCL Violations
- 75
- Monitoring Violations
- 67
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 75 | 1991 |
| Coliform (TCR) | MR | 25 | 2011 |
| Lead and Copper Rule | MR | 20 | 2006 |
| Chlorine | MR | 13 | 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 7 | 2012 |
| Revised Total Coliform Rule | MON | 7 | 2024 |
| Consumer Confidence Rule | Other | 4 | 2010 |
| Public Notice | Other | 2 | 2012 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.