HENRY
PWS ID: SD4600153 · HENRY, South Dakota 57243
Population Served
256
Total Violations
67
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 101
- County
- Codington
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 51
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 29 | 2025 |
| Chlorine | MR | 11 | 2025 |
| Coliform (TCR) | MCL | 6 | 2004 |
| Coliform (TCR) | MR | 5 | 2004 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 4 | 2025 |
| Lead and Copper Rule | MR | 4 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| 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.