MISSOULA, MT · Missoula County

HIDDEN 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): MT0002120
System type: Community Water System
Population served: 65
Service connections: 22
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2018 – September 30, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – August 30, 2018
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2018 – December 31, 2018
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2014 – February 3, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – July 18, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2011 – August 29, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – July 23, 2013
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2010 – February 11, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2006 – May 31, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2005 – November 30, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2004 – October 31, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2002 – December 31, 2002
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
September 1, 2018 – September 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2018 – August 30, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2014 – February 3, 2014	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2012 – July 18, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2011 – August 29, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2010 – July 23, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2010 – February 11, 2011	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
November 1, 2008 – November 30, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
May 1, 2006 – May 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2005 – November 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2004 – October 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2002 – December 31, 2002	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 28, 2019State Public Notification received1 linked violation
January 27, 2019State Compliance achieved1 linked violation
January 17, 2019State Public Notification requested1 linked violation
January 17, 2019State Violation/Reminder Notice1 linked violation
October 15, 2018State Public Notification requested1 linked violation
October 15, 2018State Violation/Reminder Notice1 linked violation
October 4, 2018State Compliance achieved1 linked violation
August 30, 2018State Compliance achieved1 linked violation
July 17, 2018State Violation/Reminder Notice1 linked violation
February 3, 2014State Compliance achieved1 linked violation
January 23, 2014State Violation/Reminder Notice1 linked violation
July 23, 2013State Compliance achieved1 linked violation
November 15, 2012State Public Notification received1 linked violation
October 31, 2012State Violation/Reminder Notice1 linked violation
October 31, 2012State Public Notification requested1 linked violation
July 18, 2012State Compliance achieved1 linked violation
July 12, 2012State Public Notification requested1 linked violation
July 12, 2012State Violation/Reminder Notice1 linked violation
September 22, 2011State Public Notification requested1 linked violation
September 22, 2011State Violation/Reminder Notice1 linked violation
August 29, 2011State Compliance achieved1 linked violation
February 11, 2011State Compliance achieved1 linked violation
January 13, 2011State Violation/Reminder Notice1 linked violation
September 25, 2009State Compliance achieved2 linked violations
May 15, 2009State Compliance achieved1 linked violation
December 29, 2008State Public Notification received1 linked violation
December 17, 2008State Violation/Reminder Notice1 linked violation
December 17, 2008State Public Notification requested1 linked violation
May 6, 2007State Compliance achieved1 linked violation
May 17, 2006State Violation/Reminder Notice1 linked violation
May 17, 2006State Public Notification requested1 linked violation
February 15, 2006State Compliance achieved2 linked violations
December 7, 2005State Violation/Reminder Notice1 linked violation
December 7, 2005State Public Notification requested1 linked violation
June 14, 2005State Violation/Reminder Notice4 linked violations
May 23, 2005State Compliance achieved1 linked violation
January 3, 2005State Violation/Reminder Notice2 linked violations
January 3, 2005State Violation/Reminder Notice8 linked violations
January 3, 2005State Public Notification requested5 linked violations
January 3, 2005State Public Notification requested12 linked violations
October 19, 2004State Violation/Reminder Notice22 linked violations
October 19, 2004State Public Notification requested1 linked violation
June 19, 2003State Compliance achieved8 linked violations
October 10, 1983State no additional Formal Action needed1 linked violation

Contact

FAGERHAUG, LARRY

406-544-5116

MISSOULA, MT 59804