WHITE ROCK COLONY
PWS ID: SD4602027 · ROSHOLT, South Dakota 57260
Population Served
108
Total Violations
523
Health-Based Violations
44
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 12
- County
- Roberts
- School/Daycare
- No
- MCL Violations
- 44
- Monitoring Violations
- 463
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 50 | 2012 |
| Arsenic | MCL | 39 | 2008 |
| Nitrate | MR | 11 | 2003 |
| Lead and Copper Rule | MR | 10 | 2013 |
| Arsenic | MR | 9 | 2006 |
| cis-1,2-Dichloroethylene | MR | 7 | 2013 |
| 1,1,1-Trichloroethane | MR | 7 | 2013 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2013 |
| 1,1,2-Trichloroethane | MR | 7 | 2013 |
| Xylenes, Total | MR | 7 | 2013 |
| 1,1-Dichloroethylene | MR | 7 | 2013 |
| Carbon tetrachloride | MR | 7 | 2013 |
| CHLOROBENZENE | MR | 7 | 2013 |
| Styrene | MR | 7 | 2013 |
| o-Dichlorobenzene | MR | 7 | 2013 |
| 1,2-Dichloroethane | MR | 7 | 2013 |
| Trichloroethylene | MR | 7 | 2013 |
| Toluene | MR | 7 | 2013 |
| Tetrachloroethylene | MR | 7 | 2013 |
| Ethylbenzene | MR | 7 | 2013 |
| trans-1,2-Dichloroethylene | MR | 7 | 2013 |
| Benzene | MR | 7 | 2013 |
| p-Dichlorobenzene | MR | 7 | 2013 |
| 1,2-Dichloropropane | MR | 7 | 2013 |
| DICHLOROMETHANE | MR | 7 | 2013 |
| Vinyl chloride | MR | 7 | 2013 |
| LASSO | MR | 6 | 2013 |
| Heptachlor epoxide | MR | 6 | 2013 |
| Atrazine | MR | 6 | 2013 |
| Benzo(a)pyrene | MR | 6 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.