USFS - NEMO WATER SYSTEM
PWS ID: SD4680083 · SPEARFISH, South Dakota 57783
Population Served
31
Total Violations
38
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 13
- County
- Lawrence
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 26
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 20 | 2006 |
| Coliform (TCR) | MCL | 9 | 1991 |
| Lead and Copper Rule | MR | 4 | 2006 |
| Coliform (TCR) | MR | 2 | 1994 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.