MAGNOLIA-JACKSON SQUARE
Missouri — Community Water System — PWSID: LA1055101
System Information
| PWSID | LA1055101 |
| System Name | MAGNOLIA-JACKSON SQUARE |
| 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 | Jan 10, 1981 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | MAGNOLIA WATER UOC |
| Organization | FARRAR, DAVID |
| Phone | 314-464-4790 |
Population & Service
| Population Served | 825 |
| Service Connections | 275 |
Drinking Water Violations (17)
This water system has 17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 18, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Unaddressed | — | Ground Water Rule |
| May 18, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Unaddressed | — | Ground Water Rule |
| May 18, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Jan 1, 2022 | Mar 31, 2022 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Mar 31, 2022 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Mar 31, 2022 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Dec 31, 2021 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Dec 31, 2021 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MRDL | Yes | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 8, 2019 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Nov 18, 2019 | Ground Water Rule |
| Nov 8, 2019 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Nov 18, 2019 | Ground Water Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| Jan 1, 2013 | Sep 30, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2012 | Feb 29, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | Total Coliform Rule |
| — | — | — | 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.