SPEARFISH VALLEY MOBILE ESTATES
PWS ID: SD4600625 · SPEARFISH, South Dakota 57783
Population Served
163
Total Violations
26
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 65
- County
- Lawrence
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 14
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 6 | 1998 |
| Coliform (TCR) | MR | 4 | 1998 |
| Nitrite | MR | 3 | 1993 |
| Lead and Copper Rule | MR | 3 | 1996 |
| Revised Total Coliform Rule | MON | 2 | 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2021 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Coliform (TCR) | Other | 1 | 1998 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.