BLACK HAWK, SD · Pennington County
RUSHMORE RANCH ESTATES Water System
Consumer Confidence Report status
RUSHMORE RANCH ESTATES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for RUSHMORE RANCH ESTATES.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- SD4602212
- System type
- Community Water System
- Population served
- 168
- Service connections
- 67
- Ownership
- privately owned
- Water source
- groundwater (wells)
RUSHMORE RANCH ESTATES is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 168 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 2002 and 2016, all of which EPA lists as closed. Nothing has been added since 2016.
All 3 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule and volatile organic chemicals.
Violation history
Monitoring and Reporting (DBP)
—TTHM
August 1, 2016 – September 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
August 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Styrene
April 1, 2002 – June 30, 2002
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| August 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2002 – June 30, 2002 | Monitoring, Regular | Styrene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 26, 2016State Public Notification requested35 linked violations
Common questions
Is RUSHMORE RANCH ESTATES required to publish a Consumer Confidence Report?
- Yes. RUSHMORE RANCH ESTATES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is RUSHMORE RANCH ESTATES’s next Consumer Confidence Report due?
- RUSHMORE RANCH ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RUSHMORE RANCH ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RUSHMORE RANCH ESTATES.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
RUSHMORE RANCH ESTATES
6057864366
BLACK HAWK, SD 57718