COSMOS MYSTERY AREA
South Dakota - Transient Non-Community - PWSID: SD4602305
System Information
| PWSID | SD4602305 |
| System Name | COSMOS MYSTERY AREA |
| 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 | Jul 27, 2010 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | RAPID CITY |
| ZIP Code | 57702 |
| Address | 24040 COSMOS ROAD |
| Organization | COSMOS MYSTERY AREA |
| Phone | 6053439802 |
Population & Service
| Population Served | 600 |
| Service Connections | 1 |
Drinking Water Violations (55)
This water system has 55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2018 | - | |
| Sep 5, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 12, 2017 | - | |
| Sep 5, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 12, 2017 | - | |
| Sep 5, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 12, 2017 | - | |
| Aug 12, 2017 | - | Other | No | No | - | - | - | Resolved | Sep 22, 2017 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 3, 2011 | - | Other | No | No | - | - | - | Resolved | Apr 10, 2012 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 23, 2011 | - | MR | No | Yes | - | - | - | Resolved | Oct 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | 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 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - |
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.