GASCONADE PWSD #1
Missouri - Community Water System - PWSID: MO6036015
System Information
| PWSID | MO6036015 |
| System Name | GASCONADE PWSD #1 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | OWENSVILLE |
| ZIP Code | 65066-0000 |
| Address | 3408 B PEACEFUL VALLEY RD |
| Organization | BUCK, LAURA |
| Phone | 573-437-7808 |
Population & Service
| Population Served | 450 |
| Service Connections | 180 |
Drinking Water Violations (88)
This water system has 88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 29, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 7, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 7, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 7, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 7, 2025 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Dec 16, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Dec 16, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Dec 16, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Dec 16, 2016 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Dec 5, 2016 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jan 25, 2015 | - | Other | No | No | - | - | - | Resolved | May 24, 2018 | - | |
| 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 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Dec 5, 2016 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2015 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2015 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2015 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2015 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2015 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Dec 17, 2013 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - |
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.