DEER MOUNTAIN SANITARY DISTRICT
PWS ID: SD4600549 · LEAD, South Dakota 57754
Population Served
125
Total Violations
263
Health-Based Violations
19
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 100
- County
- Lawrence
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 201
- Treatment Tech Violations
- 16
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 62 | 2013 |
| Coliform (TCR) | MR | 44 | 2013 |
| Interim Enhanced Surface Water Treatment Rule | MR | 26 | 2013 |
| Public Notice | Other | 23 | 2013 |
| Nitrate | MR | 19 | 2018 |
| Consumer Confidence Rule | Other | 17 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 14 | 2012 |
| TTHM | MR | 14 | 2012 |
| E. COLI | MR | 9 | 2008 |
| Surface Water Treatment Rule | TT | 8 | 1995 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 6 | 2007 |
| Lead and Copper Rule | MR | 6 | 2006 |
| Asbestos | MR | 4 | 2012 |
| Coliform (TCR) | MCL | 3 | 2000 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 3 | 2008 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 2 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.