HILLCREST COLONY
South Dakota — Community Water System — PWSID: SD4602065
System Information
| PWSID | SD4602065 |
| System Name | HILLCREST COLONY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 4, 1991 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | GARDEN CITY |
| ZIP Code | 57236 |
| Address | 1004 HILLCREST DRIVE |
| Organization | HILLCREST COLONY |
| Phone | 6055325709 |
Population & Service
| Population Served | 90 |
| Service Connections | 9 |
Drinking Water Violations (386)
This water system has 386 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 30, 2013 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Nov 1, 2014 | Ground Water Rule |
| Oct 30, 2013 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Nov 1, 2014 | Ground Water Rule |
| Jul 21, 2013 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jul 31, 2013 | Ground Water Rule |
| Jul 21, 2013 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jul 31, 2013 | Ground Water Rule |
| Jul 21, 2013 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jul 31, 2013 | Ground Water Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Apr 1, 2009 | Apr 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | Total Coliform Rule |
| Apr 1, 2009 | Apr 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | Total Coliform Rule |
| Apr 1, 2009 | Apr 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 26, 2008 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 26, 2008 | Consumer Confidence Rule |
| Feb 1, 2007 | Feb 28, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2007 | Total Coliform Rule |
| Feb 1, 2007 | Feb 28, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2007 | Total Coliform Rule |
| Feb 1, 2007 | Feb 28, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2007 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | Total Coliform Rule |
| Dec 4, 2005 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 11, 2008 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 19, 2005 | Consumer Confidence Rule |
| Oct 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 19, 2005 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2005 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2005 | Consumer Confidence Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2004 | Oct 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | Total Coliform Rule |
| Oct 1, 2004 | Oct 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Jul 1, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 22, 2003 | Consumer Confidence Rule |
| Jul 1, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 22, 2003 | Consumer Confidence Rule |
| Sep 9, 2002 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 11, 2008 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 18, 2003 | Consumer Confidence Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 18, 2003 | Consumer Confidence Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 18, 2003 | Consumer Confidence Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | 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.