THAYER, MO · Oregon County
THAYER PWS Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.
System facts
- System ID (PWSID)
- MO4010788
- System type
- Community Water System
- Population served
- 2,200
- Service connections
- 925
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2025 – November 25, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – November 1, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – November 30, 2022
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 2014 – May 31, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2011 – August 31, 2011
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – June 28, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2002 – April 30, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1996 – May 31, 1996
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – November 25, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2023 – November 1, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2022 – November 30, 2022 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2014 – May 31, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2011 – August 31, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2006 – June 28, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2002 – April 30, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1996 – May 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 25, 2025State Compliance achieved1 linked violation
- November 25, 2025State Formal Notice of Violation issued1 linked violation
- November 1, 2023State Compliance achieved3 linked violations
- March 5, 2015State Compliance achieved8 linked violations
- July 2, 2014State Violation/Reminder Notice3 linked violations
- January 22, 2014State Compliance achieved9 linked violations
- September 22, 2011State Public Notification requested5 linked violations
- June 28, 2007State Compliance achieved3 linked violations
Contact
MARTIN, DONNA
417-264-3921
THAYER, MO 65791-0000