THAYER PWS
Missouri - Community Water System - PWSID: MO4010788
System Information
| PWSID | MO4010788 |
| System Name | THAYER 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 | THAYER |
| ZIP Code | 65791-0000 |
| Address | 124 N SECOND ST |
| Organization | MARTIN, DONNA |
| Phone | 417-264-3921 |
Population & Service
| Population Served | 2,200 |
| Service Connections | 925 |
Drinking Water Violations (47)
This water system has 47 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 | Nov 25, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Nov 9, 2020 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2007 | - | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2002 | - | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2002 | - | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2002 | - | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2002 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | TT | Yes | No | - | - | - | Resolved | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | TT | Yes | No | - | - | - | Resolved | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | TT | Yes | No | - | - | - | Resolved | Dec 31, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1992 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1992 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1992 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1992 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.