Is HILLTOP TERRACE SUBDIVISION required to publish a Consumer Confidence Report?

Yes. HILLTOP TERRACE SUBDIVISION is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is HILLTOP TERRACE SUBDIVISION’s next Consumer Confidence Report due?

HILLTOP TERRACE SUBDIVISION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

KALISPELL, MT · Flathead County

HILLTOP TERRACE SUBDIVISION Water System

Consumer Confidence Report status

HILLTOP TERRACE SUBDIVISION must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for HILLTOP TERRACE SUBDIVISION that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

HILLTOP TERRACE SUBDIVISION is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 230 people from groundwater.

As of August 1, 2026, its federal record holds 27 entries between 1996 and 2025, of which 1 remains open; none are health-based.

Of the 27, 17 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Consumer Confidence Rule, and inorganic chemicals.

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
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
—
Barium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Fluoride
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, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1996 – January 31, 1996
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
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	Barium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chromium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1996 – January 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	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 Public Notification requested1 linked violation
July 7, 2021State Violation/Reminder Notice1 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 Violation/Reminder Notice1 linked violation
January 17, 2019State Public Notification requested1 linked violation
June 16, 2017State Violation/Reminder Notice1 linked violation
June 16, 2017State Public Notification requested1 linked violation
June 16, 2017State Compliance achieved1 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 31, 2008State Compliance achieved15 linked violations
December 4, 2008State Compliance achieved12 linked violations
April 16, 2004State Violation/Reminder Notice1 linked violation
April 16, 2004State Public Notification requested1 linked violation
March 26, 2003State Public Notification received3 linked violations
March 26, 2003State Compliance achieved4 linked violations
March 26, 2003State Public Notification received2 linked violations
December 21, 2002State Violation/Reminder Notice1 linked violation
December 21, 2002State Violation/Reminder Notice1 linked violation
October 8, 2002State Violation/Reminder Notice1 linked violation
October 8, 2002State Violation/Reminder Notice1 linked violation
June 10, 2002State Compliance achieved3 linked violations
June 12, 2001State Violation/Reminder Notice1 linked violation
June 12, 2001State Public Notification requested1 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

Common questions

Is HILLTOP TERRACE SUBDIVISION required to publish a Consumer Confidence Report?: Yes. HILLTOP TERRACE SUBDIVISION is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is HILLTOP TERRACE SUBDIVISION’s next Consumer Confidence Report due?: HILLTOP TERRACE SUBDIVISION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HILLTOP TERRACE SUBDIVISION have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for HILLTOP TERRACE SUBDIVISION that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

AHMANN, JUSTIN

406-393-2126

KALISPELL, MT 59903