IROQUOIS
PWS ID: SD4600174 · IROQUOIS, South Dakota 57353
Population Served
292
Total Violations
16
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 162
- County
- Kingsbury
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 4 | 2005 |
| Coliform (TCR) | MCL | 3 | 1996 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Fluoride | MCL | 1 | 1980 |
| Coliform (TCR) | Other | 1 | 1997 |
| 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.