Drinking Water Compliance OS

HARDIN, MT · Big Horn County

WEGNER WATER SERVICE HAULER Water System

Current status

8 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID)
MT0003590
System type
Community Water System
Population served
50
Service connections
1
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2024

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024

    Unaddressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2023

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2023 – August 31, 2023

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2023

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2023 – February 28, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2022 – May 31, 2022

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2021 – January 18, 2022

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2021 – November 8, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – November 8, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2021 – June 30, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2021 – May 31, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2021 – April 30, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2020 – December 31, 2020

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2020 – November 23, 2020

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – November 23, 2020

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2019

    Addressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2019

    Addressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2018 – July 31, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018

    Addressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2018 – May 31, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2018 – April 30, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2018 – February 28, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2018 – January 31, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2017 – November 30, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2017 – October 31, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2017 – August 31, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2017

    Addressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2017 – June 30, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2017 – May 31, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2017 – March 31, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2016 – November 30, 2016

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2016 – October 31, 2016

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2016 – June 30, 2016

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2016 – May 31, 2016

    Resolved
  • Sample Siting Plan Errors (RTCR)

    Revised Total Coliform Rule

    April 2, 2016 – December 4, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2016 – April 30, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2016 – February 29, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2016 – January 31, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2015 – December 31, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2015 – November 30, 2015

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2015 – December 7, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2015 – June 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2014 – December 31, 2014

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2014 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2014 – September 30, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2013 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2013 – October 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2013 – August 31, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2013 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2013 – July 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2013 – May 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2013 – March 31, 2013

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2012 – November 30, 2012

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2012 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2012 – September 30, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2011 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2011 – October 31, 2011

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2010 – December 5, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2010 – March 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2010 – February 28, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2009 – December 31, 2009

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2009 – September 28, 2018

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2009 – October 31, 2009

    Archived
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – November 12, 2009

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 2007 – June 23, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2005 – August 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2005 – July 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1997 – May 31, 1997

    Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateAddressed corrective action reported, pending final confirmationArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

WEGNER, GREGORY

406-665-2613

HARDIN, MT 59034