CLARK
PWS ID: SD4600091 · CLARK, South Dakota 57225
Population Served
1,148
Total Violations
20
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 635
- County
- Clark
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 10
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 7 | 2000 |
| Lead and Copper Rule | MR | 3 | 1997 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2016 |
| Consumer Confidence Rule | Other | 2 | 2000 |
| Coliform (TCR) | Other | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.