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 | Mar 25, 2026 |
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 (84)
This water system has 84 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 | — | RPT | No | No | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 9, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Apr 2, 2025 | — | |
| Aug 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | — | |
| Aug 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | — | |
| Aug 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | — | |
| Aug 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 22, 2025 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Oct 1, 2020 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2020 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2020 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Mar 1, 2017 | Mar 31, 2017 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Mar 1, 2017 | Mar 31, 2017 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Mar 1, 2017 | Mar 31, 2017 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Mar 1, 2017 | Mar 31, 2017 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Apr 30, 2016 | — | Other | No | No | — | — | — | Resolved | Jun 30, 2016 | — | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | — | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | — | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | — | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| Apr 1, 2008 | — | MR | No | No | — | — | — | Resolved | May 8, 2008 | — | |
| Apr 1, 2008 | — | MR | No | No | — | — | — | Resolved | May 8, 2008 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — |
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.