THE WILLOWS UTILITY COMPANY
Missouri - Community Water System - PWSID: MO5048099
System Information
| PWSID | MO5048099 |
| System Name | THE WILLOWS UTILITY COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131-0000 |
| Address | 1630 DES PERES RD STE 140 |
| Organization | SASSEN, ISABEL |
| Phone | 314-464-3964 |
Population & Service
| Population Served | 315 |
| Service Connections | 142 |
Drinking Water Violations (58)
This water system has 58 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, 2016 | - | Other | No | No | - | - | - | Resolved | Sep 21, 2017 | - | |
| May 8, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2015 | - | |
| Jul 21, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 6, 2014 | - | |
| Jul 21, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 6, 2014 | - | |
| Apr 1, 2013 | Apr 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2013 | - | |
| Apr 1, 2013 | Apr 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2013 | - | |
| Apr 1, 2013 | Apr 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2013 | - | |
| Apr 1, 2013 | Apr 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2013 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 26, 2012 | - | |
| Oct 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Aug 21, 2008 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2007 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2007 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2007 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2007 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2007 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1997 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1997 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1997 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2004 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1995 | - | |
| Feb 1, 1993 | Jan 31, 1997 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jan 31, 1997 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.