MAGNOLIA-MONTEREY SUBDIVISION
Missouri — Community Water System — PWSID: LA1103148
System Information
| PWSID | LA1103148 |
| System Name | MAGNOLIA-MONTEREY SUBDIVISION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1994 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | CSWR MAGNOLIA |
| Organization | COX, JOSIAH |
| Phone | 314-736-4672 |
Population & Service
| Population Served | 1,356 |
| Service Connections | 452 |
Drinking Water Violations (35)
This water system has 35 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 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 7, 2014 | Consumer Confidence Rule |
| Oct 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 7, 2014 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 2, 2013 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 2, 2013 | Consumer Confidence Rule |
| Oct 2, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 4, 2010 | Consumer Confidence Rule |
| Oct 2, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 4, 2010 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 4, 2010 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 4, 2010 | Consumer Confidence Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2009 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2009 | Total Coliform Rule |
| Apr 1, 2008 | — | Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | No | No | — | — | — | Resolved | Mar 19, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Jan 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 22, 2006 | Consumer Confidence Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 24, 2014 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 24, 2014 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 24, 2014 | Lead and Copper Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 1996 | Total Coliform Rule |
| Oct 1, 1995 | Oct 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | 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.