RAPID CITY, SD · Pennington County
HIDDEN VALLEY WATER ASSOCIATION INC 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)
- SD4600269
- System type
- Community Water System
- Population served
- 27
- Service connections
- 15
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Treatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
October 1, 2017 – April 15, 2018
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
December 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1976 – June 30, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 1976 – June 30, 1980
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2017 – April 15, 2018 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Contact
HIDDEN VALLEY WATER ASSOCIATION INC
6054157388
RAPID CITY, SD 57702