AVON
PWS ID: SD4600031 · AVON, South Dakota 57315
Population Served
590
Total Violations
28
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 315
- County
- Bon Homme
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 19
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 6 | 2024 |
| Revised Total Coliform Rule | MON | 3 | 2022 |
| Asbestos | MR | 3 | 1993 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2010 |
| Coliform (TCR) | MR | 2 | 1995 |
| Consumer Confidence Rule | Other | 2 | 2008 |
| 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.