MARQUAND PWS
Missouri — Community Water System — PWSID: MO4010501
System Information
| PWSID | MO4010501 |
| System Name | MARQUAND PWS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | MARQUAND |
| ZIP Code | 63655-0000 |
| Address | 2432 MADISON 310 |
| Organization | GWINN, MARK |
| Phone | 573-783-7780 |
Population & Service
| Population Served | 253 |
| Service Connections | 116 |
Drinking Water Violations (115)
This water system has 115 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, 2025 | — | Other | No | No | — | — | — | Resolved | Oct 21, 2025 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Dec 30, 2023 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Oct 8, 2008 | — | |
| Oct 1, 1996 | — | MR | No | No | — | TT | — | Resolved | May 12, 2011 | — | |
| Oct 1, 1996 | — | MR | No | No | — | TT | — | Resolved | May 12, 2011 | — | |
| Oct 1, 1996 | — | MR | No | No | — | TT | — | Resolved | May 12, 2011 | — | |
| Oct 1, 1996 | — | MR | No | No | — | TT | — | Resolved | May 12, 2011 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1996 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — |
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.