Drinking Water Compliance OS

LANAGAN, MO · McDonald County

LANAGAN 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)
MO5010449
System type
Community Water System
Population served
373
Service connections
137
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2023 – January 31, 2023

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2022 – November 29, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2022 – July 31, 2022

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2021 – August 31, 2021

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2019 – June 30, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 2, 2019 – May 22, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 18, 2018 – May 22, 2019

    Resolved
  • Monitoring, Regular

    Radium-228

    October 1, 2018 – December 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2018 – September 30, 2019

    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)

    January 1, 2018 – December 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2018 – December 31, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2017 – September 30, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2017 – September 30, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2017 – June 30, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    April 1, 2017 – March 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    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
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2015 – September 30, 2016

    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

    Gross Alpha, Excl. Radon and U

    April 1, 2015 – March 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2015 – December 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2014 – September 30, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2014 – September 30, 2015

    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

    Gross Alpha, Excl. Radon and U

    January 1, 2014 – December 31, 2014

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 1, 2013 – March 27, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2013 – September 30, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2013 – June 30, 2014

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2013 – December 15, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    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
  • 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)

    April 1, 2012 – March 31, 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

    Gross Alpha, Excl. Radon and U

    January 1, 2012 – December 31, 2012

    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)

    January 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2010 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2010 – September 30, 2010

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2010 – June 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    April 1, 2010 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2009 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2009 – March 31, 2010

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2009 – December 31, 2009

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2009 – December 31, 2009

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2008 – June 30, 2009

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2008 – December 31, 2008

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 2007 – September 30, 2007

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2007 – September 30, 2007

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2007 – March 31, 2008

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2007 – March 31, 2007

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2006 – December 31, 2006

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2006 – December 31, 2006

    Archived
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 2005 – September 30, 2005

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2005 – July 31, 2005

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2005 – March 31, 2006

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2004 – September 30, 2005

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2004 – June 30, 2005

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2004 – December 31, 2004

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2003 – September 30, 2004

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2003 – June 30, 2004

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2003 – March 31, 2004

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2003 – December 31, 2003

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2002 – May 31, 2002

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2002 – March 31, 2003

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2002 – April 30, 2002

    Archived
  • Monitoring, Regular

    Radium-226

    October 1, 2001 – December 31, 2001

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    November 1, 2000 – October 31, 2001

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    November 1, 1993 – October 31, 1997

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    November 1, 1993 – October 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1992 – March 31, 1992

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    December 22, 1982 – September 21, 1984

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    December 22, 1982 – September 21, 1983

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 30, 1982 – October 29, 1983

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 30, 1981 – October 29, 1982

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 30, 1980 – October 29, 1981

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 30, 1979 – October 29, 1980

    Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

ELLSTON, TERRY

417-436-2226

LANAGAN, MO 64847-0000