CADILLAC RANCH
South Dakota — Transient Non-Community — PWSID: SD4602100
System Information
| PWSID | SD4602100 |
| System Name | CADILLAC RANCH |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jul 30, 1992 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | SUMMIT |
| ZIP Code | 572660889 |
| Address | SANDY THEYE |
| Organization | — |
| Phone | — |
Population & Service
| Population Served | 32 |
| Service Connections | 1 |
Drinking Water Violations (36)
This water system has 36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 1995 | Feb 28, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1995 | Total Coliform Rule |
| Feb 1, 1995 | Feb 28, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1995 | Total Coliform Rule |
| Jan 9, 1995 | Feb 8, 1995 | Other | No | No | — | — | — | Archived | Feb 8, 1995 | Miscellaneous Other Rules | |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1995 | Total Coliform Rule |
| Dec 1, 1994 | Dec 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1994 | Total Coliform Rule |
| Dec 1, 1994 | Dec 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1994 | Total Coliform Rule |
| Nov 12, 1994 | Dec 11, 1994 | Other | No | No | — | — | — | Archived | Dec 11, 1994 | Miscellaneous Other Rules | |
| Nov 1, 1994 | Nov 30, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1994 | Total Coliform Rule |
| Nov 1, 1994 | Nov 30, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1994 | Total Coliform Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1994 | Total Coliform Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1994 | Total Coliform Rule |
| Sep 1, 1994 | Sep 30, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1994 | Total Coliform Rule |
| May 1, 1994 | May 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1994 | Total Coliform Rule |
| May 1, 1994 | May 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1994 | Total Coliform Rule |
| Apr 10, 1994 | Jun 9, 1994 | Other | No | No | — | — | — | Archived | Jun 9, 1994 | Miscellaneous Other Rules | |
| Mar 1, 1994 | Mar 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1994 | Total Coliform Rule |
| Feb 1, 1994 | Feb 28, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1994 | Total Coliform Rule |
| Dec 1, 1993 | Dec 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 1993 | Total Coliform Rule |
| Jul 14, 1993 | Aug 13, 1993 | Other | No | No | — | — | — | Archived | Aug 13, 1993 | Miscellaneous Other Rules | |
| Jun 1, 1993 | Jun 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1993 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1993 | Total Coliform Rule |
| Mar 1, 1993 | Mar 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1993 | Total Coliform Rule |
| Feb 1, 1993 | Feb 28, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1993 | Total Coliform Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
| Oct 1, 1992 | Oct 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1992 | Total Coliform Rule |
| Oct 1, 1992 | Oct 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1992 | Total Coliform Rule |
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.