THE MISSING WELL
Missouri — Community Water System — PWSID: MO3031366
System Information
| PWSID | MO3031366 |
| System Name | THE MISSING WELL |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 9, 2002 |
| 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 | 173 |
| Service Connections | 68 |
Drinking Water Violations (1,555)
This water system has 1,555 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2023 | — | MR | No | No | — | TT | — | Resolved | May 1, 2024 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | — | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | — | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | — | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | — | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | — | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | — | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | — | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | — | |
| Jan 21, 2012 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Jan 21, 2012 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Jan 21, 2012 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Dec 21, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Dec 21, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Dec 21, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Nov 20, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Nov 20, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Nov 20, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | — | |
| Oct 23, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Oct 23, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Oct 23, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Sep 21, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2013 | — |
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.