GROTON
PWS ID: SD4600147 · GROTON, South Dakota 57445
Population Served
1,380
Total Violations
14
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 657
- County
- Brown
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 11
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 4 | 1995 |
| Lead and Copper Rule | MR | 3 | 1996 |
| Chlorine | MR | 2 | 2023 |
| 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.