Drinking Water Compliance OS

SILEX, MO · Lincoln County

SILEX 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)
MO6010902
System type
Community Water System
Population served
206
Service connections
98
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 23, 2025 – October 23, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2024 – March 31, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2024 – February 29, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2024 – December 31, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2023 – September 30, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2023 – June 30, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2023 – May 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2023 – March 31, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2023 – December 31, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 3, 2022 – July 3, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2022 – November 30, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2022 – November 1, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2022 – September 30, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2022 – June 30, 2023

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    April 26, 2022 – December 14, 2023

    Resolved
  • Monitoring, Regular

    Combined Uranium

    April 1, 2022 – June 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2022 – March 31, 2023

    Resolved
  • Monitoring, Regular

    Radium-228

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Radium-226

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2022 – April 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2022 – December 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2021 – September 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2021 – June 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2021 – March 31, 2022

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    February 13, 2021 – July 16, 2021

    Resolved
  • Public Notification Violation without NPDWR Violation

    Public Notice

    November 2, 2020 – June 2, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2020 – July 31, 2020

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    February 4, 2020 – May 18, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2020 – January 31, 2020

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 11, 2019 – March 12, 2020

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 2, 2019 – March 12, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2018 – June 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2018 – March 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2018 – December 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2017 – September 30, 2018

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 6, 2017 – June 7, 2018

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 18, 2017 – March 12, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2017 – March 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2017 – December 31, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2016 – September 30, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2016 – June 30, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2016 – March 31, 2017

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 13, 2016 – June 8, 2016

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 13, 2016 – June 8, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2016 – December 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2015 – September 30, 2016

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2015 – August 31, 2015

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 3, 2015 – September 14, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2015 – June 30, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2015 – March 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2015 – December 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2015 – December 31, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2014 – July 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2014 – June 30, 2015

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2014 – September 22, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2014 – June 30, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    April 1, 2014 – March 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2013 – September 30, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2013 – June 30, 2014

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 13, 2013 – May 12, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2013 – March 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2013 – December 31, 2013

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 13, 2012 – December 10, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2012 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2012 – September 30, 2013

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 10, 2012 – December 10, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2012 – June 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2012 – June 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    April 1, 2012 – March 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2012 – December 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2011 – September 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2011 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2011 – March 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2011 – February 28, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2010 – February 28, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2009 – July 31, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2007 – June 9, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2006 – February 28, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2004 – April 30, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2003 – November 30, 2003

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2002 – November 30, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1995 – October 31, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1995 – January 31, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1994 – June 30, 1994

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1991 – September 30, 1991

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

LUCKETT, LYNNE

636-278-0622

SILEX, MO 63377-0000