CUSTER-MOUNT RUSHMORE KOA-REAR/CG
South Dakota - Transient Non-Community - PWSID: SD4600650
System Information
| PWSID | SD4600650 |
| System Name | CUSTER-MOUNT RUSHMORE KOA-REAR/CG |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | BLACK HAWK |
| ZIP Code | 57718 |
| Address | 11985 QUAAL ROAD |
| Organization | CUSTER-MOUNT RUSHMORE KOA-REAR/CG |
| Phone | - |
Population & Service
| Population Served | 146 |
| Service Connections | 67 |
Drinking Water Violations (108)
This water system has 108 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2016 | - | |
| Jun 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2016 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| Jun 5, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jun 26, 2012 | - | |
| May 1, 2011 | May 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| Nov 8, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 29, 2014 | - | |
| Nov 8, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 29, 2014 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 8, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Jul 8, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Sep 10, 2001 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jun 13, 2000 | Jul 12, 2000 | Other | No | No | - | 5% of samples | - | Archived | Jul 12, 2000 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Apr 30, 2000 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Apr 30, 2000 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Apr 30, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Sep 19, 1999 | Oct 18, 1999 | Other | No | No | - | 5% of samples | - | Archived | Oct 18, 1999 | - |
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.