COLUMBIA FALLS, MT · Flathead County

FLATHEAD COUNTY WATER DIST 101 Water System

Current status

1 item on record is 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): MT0000184
System type: Community Water System
Population served: 210
Service connections: 96
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2024 – February 4, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – September 29, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – October 21, 2020
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
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2015 – May 6, 2025
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 12, 2015 – March 28, 2016
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2015 – December 31, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2015 – March 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – March 28, 2016
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2015 – December 31, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2014 – March 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – March 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – March 28, 2016
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2013 – January 31, 2013
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
January 1, 2013 – March 28, 2016
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
January 1, 2013 – March 28, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2013 – May 6, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2012 – March 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – March 28, 2016
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2012 – November 30, 2012
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2011 – March 28, 2016
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
July 21, 2011 – March 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – March 28, 2016
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2011 – November 27, 2013
Resolved
Monitoring, Regular
—
Picloram
January 1, 2011 – November 27, 2013
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2011 – November 27, 2013
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2011 – November 27, 2013
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2010 – March 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – March 28, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2010 – March 28, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2009 – September 10, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2009 – July 31, 2009
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – November 27, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2001 – December 31, 2001
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
October 1, 2001 – February 4, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2001 – September 30, 2001
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2001 – July 31, 2001
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2000 – March 27, 2002
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2000 – December 31, 2000
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1999 – March 27, 2002
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Diquat
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Simazine
January 1, 1999 – December 31, 2001
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1999 – March 27, 2002
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Diquat
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1998 – May 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1998 – February 28, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1997 – November 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1997 – July 31, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1996 – May 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1994 – December 31, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – March 27, 2002
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2024 – February 4, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2020 – September 29, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2018 – October 21, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
February 1, 2016 – February 29, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2016 – January 31, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 30, 2015 – May 6, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
December 12, 2015 – March 28, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
December 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2015 – March 28, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2015 – March 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2014 – March 28, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2014 – March 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2013 – March 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2013 – January 31, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2013 – March 28, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2013 – March 28, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2013 – May 6, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2012 – March 28, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2012 – March 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2012 – November 30, 2012	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2011 – March 28, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 21, 2011 – March 28, 2016	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
July 1, 2011 – March 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Asbestos	—	Resolved
January 1, 2011 – November 27, 2013	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2011 – November 27, 2013	Monitoring, Regular	Picloram	—	Resolved
January 1, 2011 – November 27, 2013	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2011 – November 27, 2013	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2010 – March 28, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2010 – March 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2010 – March 28, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2009 – September 10, 2009	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – November 27, 2013	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
December 1, 2001 – December 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2001 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
September 1, 2001 – September 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2001 – July 31, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2000 – March 27, 2002	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 1999 – March 27, 2002	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Diquat	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Simazine	—	Resolved
January 1, 1999 – March 27, 2002	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Diquat	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	2,4-D	—	Resolved
May 1, 1998 – May 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1998 – February 28, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1997 – November 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1997 – July 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 1996 – May 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1994 – March 27, 2002	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

May 6, 2025State Compliance achieved1 linked violation
May 6, 2025State Compliance achieved1 linked violation
February 4, 2025State Compliance achieved2 linked violations
February 4, 2025State Violation/Reminder Notice1 linked violation
October 13, 2023State Violation/Reminder Notice1 linked violation
October 21, 2020State Compliance achieved1 linked violation
September 29, 2020State Compliance achieved1 linked violation
July 20, 2020State Violation/Reminder Notice1 linked violation
July 17, 2018State Violation/Reminder Notice1 linked violation
March 28, 2016State Civil Case concluded37 linked violations
March 28, 2016State Civil Case concluded38 linked violations
March 28, 2016State Compliance achieved2 linked violations
March 28, 2016State Compliance achieved1 linked violation
March 28, 2016State Compliance achieved1 linked violation
March 28, 2016State Compliance achieved24 linked violations
March 15, 2016State Compliance achieved1 linked violation
March 15, 2016State Compliance achieved1 linked violation
March 15, 2016State Violation/Reminder Notice23 linked violations
March 15, 2016State Public Notification requested1 linked violation
March 15, 2016State Violation/Reminder Notice1 linked violation
March 15, 2016State Compliance achieved1 linked violation
March 15, 2016State Compliance achieved2 linked violations
March 15, 2016State Compliance achieved1 linked violation
February 16, 2016State Violation/Reminder Notice1 linked violation
February 16, 2016State Public Notification requested1 linked violation
February 1, 2016State Violation/Reminder Notice1 linked violation
January 22, 2016State Violation/Reminder Notice1 linked violation
January 22, 2016State Public Notification requested1 linked violation
January 15, 2016State Public Notification requested2 linked violations
December 14, 2015State Violation/Reminder Notice2 linked violations
December 14, 2015State Public Notification requested2 linked violations
January 24, 2014State Public Notification requested7 linked violations
January 24, 2014State Violation/Reminder Notice2 linked violations
January 24, 2014State Public Notification requested1 linked violation
November 27, 2013State Compliance achieved7 linked violations
November 27, 2013State Compliance achieved2 linked violations
April 23, 2013State Formal Notice of Violation issued2 linked violations
February 26, 2013State Compliance achieved2 linked violations
February 19, 2013State Public Notification requested2 linked violations
February 19, 2013State Public Notification requested2 linked violations
February 19, 2013State Violation/Reminder Notice1 linked violation
February 19, 2013State Public Notification requested1 linked violation
February 19, 2013State Public Notification requested1 linked violation
February 4, 2013State Public Notification requested1 linked violation
February 4, 2013State Violation/Reminder Notice1 linked violation
January 18, 2013State Public Notification requested2 linked violations
January 14, 2013State Violation/Reminder Notice2 linked violations
November 14, 2012State Violation/Reminder Notice1 linked violation
July 17, 2012State Administrative/Compliance Order with penalty issued1 linked violation
July 17, 2012State Administrative/Compliance Order with penalty issued12 linked violations
July 17, 2012State Administrative/Compliance Order with penalty issued1 linked violation
December 23, 2011State Other2 linked violations
December 23, 2011State Other1 linked violation
December 20, 2011State Other6 linked violations
October 28, 2011State Violation/Reminder Notice1 linked violation
October 28, 2011State Public Notification requested2 linked violations
August 19, 2011State Public Notification requested2 linked violations
August 1, 2011State Public Notification requested2 linked violations
January 13, 2011State Violation/Reminder Notice1 linked violation
October 23, 2010State Public Notification requested2 linked violations
August 7, 2010State Violation/Reminder Notice2 linked violations
February 22, 2010State Compliance achieved3 linked violations
November 10, 2009State Public Notification requested1 linked violation
November 10, 2009State Violation/Reminder Notice1 linked violation
March 16, 2009State Violation/Reminder Notice5 linked violations
December 19, 2008State Compliance achieved4 linked violations
December 1, 2008State Compliance achieved22 linked violations
December 1, 2008State Compliance achieved24 linked violations
April 26, 2006State Consent Decree/Judgement1 linked violation
April 26, 2006State Consent Decree/Judgement1 linked violation
August 15, 2005State Violation/Reminder Notice6 linked violations
February 4, 2004State Compliance achieved1 linked violation
October 31, 2002State Compliance achieved2 linked violations
July 5, 2002State Public Notification requested68 linked violations
July 5, 2002State Violation/Reminder Notice35 linked violations
April 19, 2002State Violation/Reminder Notice1 linked violation
March 28, 2002State Consent Decree/Judgement2 linked violations
March 28, 2002State Consent Decree/Judgement1 linked violation
March 27, 2002State Public Notification received6 linked violations
March 27, 2002State Public Notification received3 linked violations
March 27, 2002State Public Notification received7 linked violations
March 27, 2002State Compliance achieved97 linked violations
February 19, 2002State Consent Decree/Judgement1 linked violation
February 19, 2002State Consent Decree/Judgement19 linked violations
January 20, 2002State Violation/Reminder Notice1 linked violation
January 19, 2002State Public Notification requested1 linked violation
December 28, 2001State Consent Decree/Judgement2 linked violations
December 28, 2001State Consent Decree/Judgement1 linked violation
December 16, 2001State Violation/Reminder Notice1 linked violation
December 16, 2001State Public Notification requested1 linked violation
October 29, 2001State Violation/Reminder Notice1 linked violation
October 29, 2001State Public Notification requested1 linked violation
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation
July 6, 2001State Violation/Reminder Notice1 linked violation
July 6, 2001State Violation/Reminder Notice1 linked violation
July 6, 2001State Public Notification requested1 linked violation
April 9, 2001State Injunction1 linked violation
March 22, 2001State Public Notification requested1 linked violation
March 22, 2001State Violation/Reminder Notice1 linked violation
March 1, 2001State Other21 linked violations
March 1, 2001State Civil Case filed in State court21 linked violations
February 16, 2001State Public Notification requested24 linked violations
December 29, 2000State Civil Case filed in State court3 linked violations
December 29, 2000State Civil Case filed in State court1 linked violation
December 9, 1998State Violation/Reminder Notice1 linked violation
July 18, 1996State Violation/Reminder Notice1 linked violation

Contact

SHIREY, HILARY

406-253-7862

COLUMBIA FALLS, MT 59912