COLUMBIA FALLS, MT · Flathead County

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

System facts

System ID (PWSID): MT0001743
System type: Community Water System
Population served: 100
Service connections: 43
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2014 – March 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2013 – June 30, 2013
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2013 – February 4, 2013
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2011 – July 31, 2011
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2010 – February 15, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2010 – September 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2010 – September 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2010 – June 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2010 – June 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2010 – March 31, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2010 – March 31, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2009 – December 31, 2009
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2009 – September 30, 2009
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2009 – September 30, 2009
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2009 – June 30, 2009
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2009 – June 30, 2009
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2009 – March 31, 2009
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2009 – March 31, 2009
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2008 – October 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2008 – December 31, 2008
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2008 – December 31, 2008
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2008 – September 30, 2008
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2008 – September 30, 2008
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2008 – September 30, 2008
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2008 – May 31, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2006 – June 30, 2006
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2004 – November 26, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2004 – July 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2001 – June 30, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1999 – October 31, 1999
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1993 – October 31, 1993
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2014 – March 31, 2014	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2013 – February 4, 2013	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2011 – July 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2010 – February 15, 2011	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
June 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2009 – April 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 1, 2009 – March 31, 2009	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
October 1, 2008 – October 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
September 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
July 1, 2008 – September 30, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 2008 – September 30, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2008 – May 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
August 1, 2007 – August 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2006 – June 30, 2006	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2004 – November 26, 2008	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2004 – July 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2001 – June 30, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1999 – October 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 1993 – October 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

July 16, 2014State Compliance achieved1 linked violation
July 16, 2014State Compliance achieved1 linked violation
July 16, 2014State Compliance achieved1 linked violation
July 16, 2014State Compliance achieved1 linked violation
April 17, 2014State Public Notification requested1 linked violation
April 17, 2014State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 17, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 17, 2014State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 17, 2014State Violation/Reminder Notice1 linked violation
January 24, 2014State Public Notification requested1 linked violation
January 24, 2014State Violation/Reminder Notice1 linked violation
January 16, 2014State Public Notification requested1 linked violation
January 16, 2014State Public Notification requested1 linked violation
January 16, 2014State Violation/Reminder Notice1 linked violation
January 16, 2014State Public Notification requested1 linked violation
January 16, 2014State Violation/Reminder Notice1 linked violation
January 16, 2014State Violation/Reminder Notice1 linked violation
August 16, 2013State Compliance achieved2 linked violations
July 16, 2013State Violation/Reminder Notice1 linked violation
July 16, 2013State Public Notification requested1 linked violation
February 4, 2013State Compliance achieved2 linked violations
February 4, 2013State Compliance achieved1 linked violation
January 11, 2013State Public Notification requested1 linked violation
January 11, 2013State Public Notification requested1 linked violation
January 11, 2013State Violation/Reminder Notice1 linked violation
January 11, 2013State Violation/Reminder Notice1 linked violation
March 15, 2012State Compliance achieved2 linked violations
August 24, 2011State Compliance achieved1 linked violation
August 1, 2011State Public Notification requested1 linked violation
August 1, 2011State Violation/Reminder Notice1 linked violation
February 15, 2011State Compliance achieved1 linked violation
January 21, 2011State Public Notification received4 linked violations
January 12, 2011State Violation/Reminder Notice1 linked violation
January 12, 2011State Public Notification requested1 linked violation
January 12, 2011State Violation/Reminder Notice1 linked violation
January 12, 2011State Public Notification requested1 linked violation
November 17, 2010State Public Notification received2 linked violations
October 23, 2010State Violation/Reminder Notice1 linked violation
October 23, 2010State Public Notification requested1 linked violation
October 21, 2010State Violation/Reminder Notice1 linked violation
October 21, 2010State Public Notification requested1 linked violation
October 21, 2010State Public Notification requested1 linked violation
August 25, 2010State Public Notification received2 linked violations
August 2, 2010State Public Notification requested1 linked violation
August 2, 2010State Violation/Reminder Notice1 linked violation
August 2, 2010State Public Notification requested1 linked violation
August 2, 2010State Violation/Reminder Notice1 linked violation
August 2, 2010State Public Notification requested1 linked violation
August 2, 2010State Violation/Reminder Notice1 linked violation
August 2, 2010State Public Notification requested1 linked violation
August 2, 2010State Violation/Reminder Notice1 linked violation
May 7, 2010State Compliance achieved10 linked violations
April 29, 2010State Public Notification received2 linked violations
January 21, 2010State Violation/Reminder Notice1 linked violation
January 21, 2010State Public Notification requested1 linked violation
January 21, 2010State Public Notification requested1 linked violation
October 29, 2009State Public Notification received2 linked violations
October 8, 2009State Public Notification requested1 linked violation
October 8, 2009State Violation/Reminder Notice1 linked violation
October 8, 2009State Public Notification requested1 linked violation
October 8, 2009State Violation/Reminder Notice1 linked violation
October 8, 2009State Public Notification requested1 linked violation
October 8, 2009State Violation/Reminder Notice1 linked violation
October 8, 2009State Public Notification requested1 linked violation
October 8, 2009State Violation/Reminder Notice1 linked violation
October 8, 2009State Public Notification requested1 linked violation
October 8, 2009State Violation/Reminder Notice2 linked violations
October 2, 2009State Compliance achieved2 linked violations
July 6, 2009State Public Notification received2 linked violations
July 6, 2009State Public Notification requested2 linked violations
July 6, 2009State Violation/Reminder Notice2 linked violations
July 6, 2009State Violation/Reminder Notice2 linked violations
May 15, 2009State Compliance achieved2 linked violations
May 4, 2009State Violation/Reminder Notice2 linked violations
May 4, 2009State Violation/Reminder Notice1 linked violation
May 4, 2009State Public Notification requested1 linked violation
May 4, 2009State Violation/Reminder Notice1 linked violation
May 4, 2009State Public Notification requested2 linked violations
May 1, 2009State Compliance achieved14 linked violations
May 1, 2009State Compliance achieved1 linked violation
May 1, 2009State Compliance achieved24 linked violations
April 15, 2009State Administrative/Compliance Order without penalty issued30 linked violations
March 27, 2009State Public Notification requested1 linked violation
March 27, 2009State Violation/Reminder Notice1 linked violation
November 26, 2008State Compliance achieved11 linked violations
November 26, 2008State Public Notification requested1 linked violation
November 26, 2008State Violation/Reminder Notice1 linked violation
November 26, 2008State Other14 linked violations
November 26, 2008State Other4 linked violations
October 21, 2008State Public Notification requested1 linked violation
July 30, 2008State Public Notification requested3 linked violations
July 30, 2008State Violation/Reminder Notice1 linked violation
June 27, 2008State Public Notification requested4 linked violations
June 27, 2008State Violation/Reminder Notice1 linked violation
June 5, 2008State Public Notification requested1 linked violation
June 5, 2008State Violation/Reminder Notice1 linked violation
June 5, 2008State Violation/Reminder Notice1 linked violation
May 3, 2008State Violation/Reminder Notice1 linked violation
February 20, 2008State Public Notification received1 linked violation
August 28, 2007State Public Notification requested1 linked violation
August 28, 2007State Violation/Reminder Notice1 linked violation
July 18, 2006State Public Notification requested5 linked violations
October 12, 2005State Violation/Reminder Notice7 linked violations
May 13, 2005State Compliance achieved22 linked violations
January 4, 2005State Public Notification requested5 linked violations
September 1, 2004State Public Notification received102 linked violations
January 1, 2002State Compliance achieved1 linked violation
October 15, 2001State Compliance achieved1 linked violation
October 4, 2001State Public Notification received4 linked violations
July 11, 2001State Violation/Reminder Notice1 linked violation
July 11, 2001State Public Notification requested1 linked violation
July 11, 2001State Violation/Reminder Notice1 linked violation

Contact

PIRRIE, GAVIN

406-871-3368

COLUMBIA FALLS, MT 59912