MAGNOLIA-MARKRIDGE PARK SUBDIVISION
Missouri - Community Water System - PWSID: LA1055137
System Information
| PWSID | LA1055137 |
| System Name | MAGNOLIA-MARKRIDGE PARK SUBDIVISION |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 14, 1983 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | CSWR MAGNOLIA |
| Organization | COX, JOSIAH |
| Phone | 314-736-4672 |
Population & Service
| Population Served | 468 |
| Service Connections | 156 |
Drinking Water Violations (46)
This water system has 46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 28, 2016 | - | MR | No | No | - | TT | - | Resolved | Jan 7, 2021 | - | |
| Apr 28, 2016 | - | MR | No | No | - | TT | - | Resolved | Jan 7, 2021 | - | |
| Apr 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 3, 2016 | - | |
| Oct 9, 2015 | - | Other | No | No | - | - | - | Resolved | Jan 14, 2016 | - | |
| Oct 9, 2015 | - | Other | No | No | - | - | - | Resolved | Jan 14, 2016 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Mar 5, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2014 | - | |
| Mar 5, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Sep 1, 2013 | Aug 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2014 | - | |
| Jul 12, 2013 | - | Other | No | No | - | - | - | Resolved | May 20, 2015 | - | |
| Jul 12, 2013 | - | Other | No | No | - | - | - | Resolved | May 20, 2015 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Aug 31, 2015 | - | |
| Jan 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Aug 31, 2015 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2013 | Aug 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2013 | - | |
| Dec 19, 2011 | - | TT | Yes | No | - | - | - | Resolved | Mar 3, 2016 | - | |
| Dec 19, 2011 | - | TT | Yes | No | - | - | - | Resolved | Mar 3, 2016 | - | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2002 | - | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2002 | - | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2002 | - | |
| Oct 19, 1999 | Jul 1, 2000 | Other | No | Yes | - | - | - | Resolved | Jul 1, 2000 | - | |
| Jan 1, 1994 | Jun 30, 1995 | MR | No | No | - | TT | - | Resolved | Jun 30, 1995 | - | |
| Jul 1, 1993 | Dec 31, 1994 | MR | No | No | - | TT | - | Resolved | Dec 31, 1994 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.