RUSHMORE RANCH ESTATES
South Dakota — Community Water System — PWSID: SD4602212
System Information
| PWSID | SD4602212 |
| System Name | RUSHMORE RANCH ESTATES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 18, 2001 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | BLACK HAWK |
| ZIP Code | 57718 |
| Address | PO BOX 761 |
| Organization | RUSHMORE RANCH ESTATES |
| Phone | 6057864366 |
Population & Service
| Population Served | 168 |
| Service Connections | 67 |
Drinking Water Violations (70)
This water system has 70 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Sep 12, 2017 | — | |
| Oct 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Sep 12, 2017 | — | |
| Oct 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Sep 12, 2017 | — | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2016 | — | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2016 | — | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2016 | — | |
| Aug 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Aug 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Aug 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Aug 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Aug 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Aug 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Feb 1, 2015 | — | TT | Yes | No | — | — | — | Resolved | Mar 16, 2015 | — | |
| Feb 1, 2015 | — | TT | Yes | No | — | — | — | Resolved | Mar 16, 2015 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2002 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.