MONTGOMERY CO PWSD 1
Missouri — Community Water System — PWSID: MO6024406
System Information
| PWSID | MO6024406 |
| System Name | MONTGOMERY CO PWSD 1 |
| 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 | Dec 21, 1984 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Missouri |
| City | WARRENTON |
| ZIP Code | 63383-0000 |
| Address | 22673 NW SERVICE RD |
| Organization | MOORE, RICH |
| Phone | 636-456-8227 |
Population & Service
| Population Served | 3,850 |
| Service Connections | 1,362 |
Drinking Water Violations (64)
This water system has 64 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 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Dec 31, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Dec 31, 2024 | Lead and Copper Rule Revisions |
| Oct 9, 2024 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 2, 2025 | Lead and Copper Rule |
| Aug 17, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | Ground Water Rule |
| Aug 17, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | Ground Water Rule |
| Aug 17, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | Ground Water Rule |
| Aug 17, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | Ground Water Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Mar 1, 2017 | Mar 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | Revised Total Coliform Rule |
| Mar 1, 2017 | Mar 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | Revised Total Coliform Rule |
| Mar 1, 2017 | Mar 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | Revised Total Coliform Rule |
| Mar 1, 2017 | Mar 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | Revised Total Coliform Rule |
| Apr 30, 2016 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 30, 2016 | Public Notice Rule and Revised PN Rule |
| Mar 1, 2015 | Mar 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | Total Coliform Rule |
| Mar 1, 2015 | Mar 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | Total Coliform Rule |
| Mar 1, 2015 | Mar 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | Total Coliform Rule |
| Mar 1, 2015 | Mar 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Dec 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2001 | Total Coliform Rule |
| Dec 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2001 | Total Coliform Rule |
| Dec 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2001 | 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.