HECLA
PWS ID: SD4600152 · HECLA, South Dakota 57446
Population Served
208
Total Violations
62
Health-Based Violations
53
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 189
- County
- Brown
- School/Daycare
- No
- MCL Violations
- 51
- Monitoring Violations
- 5
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 48 | 2008 |
| Coliform (TCR) | MCL | 3 | 1993 |
| Arsenic | MR | 3 | 2006 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 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.