LETCHER
PWS ID: SD4600196 · LETCHER, South Dakota 57359
Population Served
159
Total Violations
58
Health-Based Violations
9
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 105
- County
- Sanborn
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 36
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 11 | 1996 |
| Coliform (TCR) | MR | 9 | 2015 |
| Coliform (TCR) | MCL | 5 | 2015 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 4 | 2017 |
| TTHM | MR | 2 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2016 |
| Chlorine | MR | 2 | 2015 |
| Public Notice | Other | 1 | 2016 |
| Selenium | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Fluoride | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.