EGAN
PWS ID: SD4600115 · EGAN, South Dakota 57024
Population Served
241
Total Violations
82
Health-Based Violations
26
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 125
- County
- Moody
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 32
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 18 | 1992 |
| Coliform (TCR) | MR | 15 | 2003 |
| Lead and Copper Rule | MR | 9 | 1995 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 6 | 2011 |
| Consumer Confidence Rule | Other | 4 | 2003 |
| Chlorine | MR | 4 | 2011 |
| Asbestos | MR | 2 | 1993 |
| Groundwater Rule | TT | 2 | 2011 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Coliform (TCR) | Other | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.