COLUMBIA FALLS, MT · Flathead County

HAPPY VALLEY WATER DIST B KSPL 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): MT0001984
System type: Community Water System
Population served: 207
Service connections: 83
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2015 – July 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2013 – November 30, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2013 – June 30, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2012 – March 7, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2011 – November 30, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2007 – October 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2005 – October 31, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – March 12, 2007
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2002 – January 31, 2002
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Monitoring, Regular
—
LASSO
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Endrin
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Toluene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Styrene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Selenium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Mercury
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chromium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Cadmium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Barium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Simazine
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Picloram
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Dalapon
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1994 – December 31, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1993 – December 28, 2000
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2015 – July 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2013 – November 30, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 2012 – March 7, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 2011 – November 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2007 – October 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2005 – October 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2005 – March 12, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2002 – January 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	LASSO	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4-D	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Endrin	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Toluene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Styrene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Benzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Selenium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Mercury	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chromium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Barium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Simazine	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Picloram	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Dalapon	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1993 – December 28, 2000	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 31, 2015State Public Notification received1 linked violation
July 22, 2015State Public Notification requested1 linked violation
July 22, 2015State Violation/Reminder Notice2 linked violations
July 22, 2015State Violation/Reminder Notice1 linked violation
December 3, 2013State Compliance achieved1 linked violation
November 18, 2013State Public Notification received1 linked violation
November 8, 2013State Public Notification requested1 linked violation
July 10, 2013State Compliance achieved1 linked violation
July 1, 2013State Public Notification received1 linked violation
June 10, 2013State Violation/Reminder Notice1 linked violation
June 10, 2013State Public Notification requested1 linked violation
June 10, 2013State Violation/Reminder Notice1 linked violation
May 17, 2012State Public Notification received2 linked violations
April 12, 2012State Public Notification requested1 linked violation
November 28, 2011State Public Notification received2 linked violations
November 14, 2011State Violation/Reminder Notice1 linked violation
November 14, 2011State Public Notification requested1 linked violation
November 14, 2011State Violation/Reminder Notice1 linked violation
October 3, 2011State Compliance achieved1 linked violation
September 16, 2011State Public Notification received1 linked violation
September 7, 2011State Violation/Reminder Notice1 linked violation
September 7, 2011State Public Notification requested2 linked violations
December 17, 2008State Compliance achieved9 linked violations
March 24, 2008State Violation/Reminder Notice1 linked violation
March 24, 2008State Public Notification requested1 linked violation
March 24, 2008State Violation/Reminder Notice2 linked violations
December 19, 2007State Violation/Reminder Notice1 linked violation
December 19, 2007State Public Notification received2 linked violations
December 19, 2007State Violation/Reminder Notice1 linked violation
November 6, 2007State Public Notification received1 linked violation
October 23, 2007State Violation/Reminder Notice1 linked violation
February 5, 2007State Violation/Reminder Notice3 linked violations
July 25, 2006State Other3 linked violations
February 27, 2006State Compliance achieved2 linked violations
January 13, 2006State Public Notification requested2 linked violations
January 13, 2006State Violation/Reminder Notice2 linked violations
November 1, 2005State Violation/Reminder Notice1 linked violation
November 1, 2005State Violation/Reminder Notice3 linked violations
August 16, 2005State Violation/Reminder Notice3 linked violations
October 29, 2004State Violation/Reminder Notice1 linked violation
February 18, 2003State Violation/Reminder Notice1 linked violation
February 18, 2003State Public Notification requested1 linked violation
March 1, 2001State Other2 linked violations
December 31, 2000State Compliance achieved41 linked violations
December 28, 2000State Compliance achieved63 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
May 18, 2000State Other1 linked violation
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
May 18, 2000State Other2 linked violations
May 18, 2000State Other4 linked violations
May 18, 2000State Other3 linked violations
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
May 18, 2000State Other1 linked violation
May 18, 2000State Other2 linked violations
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
May 18, 2000State Other3 linked violations
May 18, 2000State Other4 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other3 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other4 linked violations
May 18, 2000State Other4 linked violations
May 18, 2000State Other2 linked violations
May 18, 2000State Other1 linked violation
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
May 18, 2000State Othergeneral compliance action — not tied to a specific violation on record
November 4, 1999State Other14 linked violations
July 7, 1999State Public Notification requested3 linked violations
October 10, 1983State no additional Formal Action needed1 linked violation

Contact

PIRRIE, GAVIN

406-871-3368

COLUMBIA FALLS, MT 59912