MOUNT VERNON
PWS ID: SD4600220 · MOUNT VERNON, South Dakota 57363
Population Served
461
Total Violations
39
Health-Based Violations
17
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 204
- County
- Davison
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 16
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 1995 |
| Coliform (TCR) | MR | 14 | 1996 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2020 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| 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.