KALISPELL, MT · Flathead County

HILLTOP TERRACE SUBDIVISION 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): MT0001922
System type: Community Water System
Population served: 230
Service connections: 89
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – August 31, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2021 – August 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – August 31, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2020 – August 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 31, 2022
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
June 2, 2020 – August 1, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2020 – June 30, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – August 2, 2019
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2016 – December 31, 2016
Resolved
Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
April 2, 2016 – November 1, 2021
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2016 – December 6, 2016
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2002 – November 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2002 – October 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2001 – April 30, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2001 – February 28, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2001 – January 31, 2001
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
September 1, 1997 – September 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1996 – March 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1996 – February 29, 1996
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1996 – January 31, 1996
Resolved
Monitoring, Regular
—
Selenium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chromium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Barium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1994 – July 31, 1994
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1994 – July 31, 1994
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Cadmium
February 19, 1981 – March 18, 1981
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
July 1, 2022 – August 31, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2021 – August 31, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2021 – August 31, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2020 – August 31, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2020 – August 31, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 2, 2020 – August 1, 2022	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
June 1, 2020 – June 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2019 – August 2, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2017 – December 31, 2022	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
December 1, 2016 – December 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 2, 2016 – November 1, 2021	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2016 – December 6, 2016	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
November 1, 2002 – November 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2002 – October 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2001 – April 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2001 – February 28, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2001 – January 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1997 – September 30, 1997	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 1996 – March 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1996 – February 29, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1996 – January 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Selenium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chromium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Barium	—	Resolved
July 1, 1994 – July 31, 1994	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1994 – July 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 19, 1981 – March 18, 1981	Maximum Contaminant Level Violation, Single Sample	Cadmium	Health-based	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

October 24, 2025State Public Notification requested1 linked violation
October 24, 2025State Violation/Reminder Notice1 linked violation
August 8, 2023State Compliance achieved1 linked violation
January 29, 2023State Violation/Reminder Notice1 linked violation
January 29, 2023State Public Notification requested1 linked violation
August 31, 2022State Compliance achieved1 linked violation
August 31, 2022State Compliance achieved1 linked violation
August 31, 2022State Compliance achieved1 linked violation
August 31, 2022State Compliance achieved1 linked violation
August 31, 2022State Compliance achieved1 linked violation
August 1, 2022State Compliance achieved1 linked violation
July 11, 2022State Violation/Reminder Notice1 linked violation
November 1, 2021State Compliance achieved1 linked violation
October 15, 2021State Violation/Reminder Notice1 linked violation
July 19, 2021State Violation/Reminder Notice1 linked violation
July 7, 2021State Violation/Reminder Notice1 linked violation
July 7, 2021State Public Notification requested1 linked violation
October 27, 2020State Violation/Reminder Notice1 linked violation
July 31, 2020State Compliance achieved1 linked violation
July 21, 2020State Violation/Reminder Notice1 linked violation
July 21, 2020State Public Notification requested1 linked violation
July 20, 2020State Violation/Reminder Notice1 linked violation
August 2, 2019State Compliance achieved1 linked violation
July 17, 2019State Violation/Reminder Notice1 linked violation
May 24, 2019State Public Notification received1 linked violation
March 15, 2019State Compliance achieved1 linked violation
January 17, 2019State Public Notification requested1 linked violation
January 17, 2019State Violation/Reminder Notice1 linked violation
June 16, 2017State Public Notification requested1 linked violation
June 16, 2017State Compliance achieved1 linked violation
June 16, 2017State Violation/Reminder Notice1 linked violation
January 19, 2017State Violation/Reminder Notice1 linked violation
January 19, 2017State Public Notification requested1 linked violation
January 17, 2017State Public Notification requested1 linked violation
January 17, 2017State Violation/Reminder Notice1 linked violation
January 12, 2017State Compliance achieved1 linked violation
January 4, 2017State Public Notification requested1 linked violation
January 4, 2017State Violation/Reminder Notice1 linked violation
December 6, 2016State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
December 4, 2008State Compliance achieved12 linked violations
April 16, 2004State Public Notification requested1 linked violation
April 16, 2004State Violation/Reminder Notice1 linked violation
March 26, 2003State Compliance achieved4 linked violations
December 21, 2002State Violation/Reminder Notice1 linked violation
December 21, 2002State Public Notification requested3 linked violations
December 21, 2002State Violation/Reminder Notice1 linked violation
October 8, 2002State Violation/Reminder Notice1 linked violation
October 8, 2002State Public Notification requested2 linked violations
October 8, 2002State Violation/Reminder Notice1 linked violation
June 10, 2002State Compliance achieved3 linked violations
June 12, 2001State Public Notification requested1 linked violation
June 12, 2001State Violation/Reminder Notice1 linked violation
May 24, 2001State Violation/Reminder Notice1 linked violation
May 24, 2001State Public Notification requested1 linked violation
April 28, 2001State Violation/Reminder Notice1 linked violation
April 30, 1996State Violation/Reminder Notice2 linked violations
March 1, 1996State Violation/Reminder Notice1 linked violation
October 10, 1983State no additional Formal Action needed1 linked violation

Contact

AHMANN, JUSTIN

406-393-2126

KALISPELL, MT 59903