BLACK HAWK, SD · Pennington County
OWANKA RURAL WATER SYSTEM Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.
System facts
- System ID (PWSID)
- SD4602310
- System type
- Community Water System
- Population served
- 52
- Service connections
- 23
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 1, 2020 – December 31, 2020
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2020 – December 31, 2020 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 1, 2021State Compliance achieved31 linked violations
- June 23, 2017State Administrative/Compliance Order without penalty issued32 linked violations
Contact
OWANKA RURAL WATER SYSTEM
6057864366
BLACK HAWK, SD 57718