HAVRE, MT · Hill County

HILLDALE COLONY 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): MT0001774
System type: Community Water System
Population served: 79
Service connections: 2
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2024 – October 31, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2019 – September 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2019 – September 30, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – July 24, 2018
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2018 – May 4, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
August 31, 2017 – August 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
August 31, 2017 – August 30, 2018
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2017 – August 29, 2017
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2016 – July 15, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
August 31, 2015 – August 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
August 31, 2015 – August 30, 2016
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2015 – December 2, 2015
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2014 – February 25, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2010 – October 25, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 2009 – April 30, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – August 13, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2008 – May 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2005 – December 31, 2005
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2002 – September 22, 2014
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1999 – April 30, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – October 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2024 – January 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2019 – September 30, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2019 – September 30, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2018 – July 24, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2018 – May 4, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 31, 2017 – August 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
August 31, 2017 – August 30, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2017 – August 29, 2017	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2016 – July 15, 2016	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
August 31, 2015 – August 30, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
August 31, 2015 – August 30, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2015 – December 2, 2015	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
December 30, 2014 – February 25, 2015	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2010 – October 25, 2010	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2008 – August 13, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2008 – May 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – September 22, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
April 1, 1999 – April 30, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

December 5, 2024State Violation/Reminder Notice1 linked violation
December 5, 2024State Compliance achieved1 linked violation
December 5, 2024State Public Notification requested1 linked violation
March 13, 2024State Compliance achieved1 linked violation
March 13, 2024State Public Notification requested1 linked violation
March 13, 2024State Violation/Reminder Notice1 linked violation
August 18, 2021State Compliance achieved2 linked violations
October 19, 2020State Violation/Reminder Notice2 linked violations
October 19, 2020State Public Notification requested2 linked violations
September 3, 2019State Compliance achieved2 linked violations
October 18, 2018State Public Notification requested2 linked violations
October 18, 2018State Violation/Reminder Notice2 linked violations
July 24, 2018State Compliance achieved1 linked violation
July 17, 2018State Violation/Reminder Notice1 linked violation
May 4, 2018State Compliance achieved1 linked violation
April 20, 2018State Violation/Reminder Notice1 linked violation
August 29, 2017State Compliance achieved2 linked violations
August 29, 2017State Compliance achieved1 linked violation
July 18, 2017State Public Notification requested1 linked violation
July 18, 2017State Violation/Reminder Notice1 linked violation
October 20, 2016State Public Notification requested2 linked violations
October 20, 2016State Violation/Reminder Notice2 linked violations
August 23, 2016State Violation/Reminder Notice1 linked violation
July 15, 2016State Compliance achieved1 linked violation
July 15, 2016State Public Notification requested1 linked violation
December 2, 2015State Compliance achieved1 linked violation
October 19, 2015State Public Notification requested1 linked violation
October 19, 2015State Violation/Reminder Notice1 linked violation
February 25, 2015State Compliance achieved1 linked violation
January 26, 2015State Violation/Reminder Notice1 linked violation
September 22, 2014State Compliance achieved1 linked violation
November 21, 2011State Public Notification received1 linked violation
November 12, 2011State Public Notification requested1 linked violation
November 12, 2011State Violation/Reminder Notice1 linked violation
October 25, 2010State Compliance achieved1 linked violation
October 23, 2010State Violation/Reminder Notice1 linked violation
October 23, 2010State Public Notification requested1 linked violation
November 3, 2009State Compliance achieved1 linked violation
May 15, 2009State Violation/Reminder Notice3 linked violations
May 15, 2009State Public Notification received2 linked violations
January 6, 2009State Compliance achieved10 linked violations
August 13, 2008State Violation/Reminder Notice1 linked violation
August 13, 2008State Compliance achieved1 linked violation
August 13, 2008State Public Notification requested1 linked violation
June 13, 2008State Public Notification requested1 linked violation
June 13, 2008State Violation/Reminder Notice1 linked violation
August 10, 2007State Compliance achieved2 linked violations
February 14, 2006State Compliance achieved21 linked violations
February 10, 2006State Violation/Reminder Notice21 linked violations
February 10, 2006State Public Notification requested21 linked violations
December 3, 2002State Compliance achieved1 linked violation
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation
August 27, 1999State Violation/Reminder Notice2 linked violations
September 22, 1994State Violation/Reminder Notice1 linked violation

Contact

KLEINSASSER, SAM S

406-398-5342

HAVRE, MT 59501