AURORA
PWS ID: SD4600058 · AURORA, South Dakota 57002
Population Served
1,200
Total Violations
33
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 436
- County
- Brookings
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 16
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 9 | 1990 |
| Lead and Copper Rule | MR | 9 | 1996 |
| TTHM | MCL | 3 | 2020 |
| Revised Total Coliform Rule | MON | 3 | 2020 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2020 |
| Chlorine | MR | 2 | 2020 |
| Consumer Confidence Rule | Other | 2 | 2007 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.