Is BIGFORK COUNTY WATER AND SEWER required to publish a Consumer Confidence Report?

Yes. BIGFORK COUNTY WATER AND SEWER 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 BIGFORK COUNTY WATER AND SEWER’s next Consumer Confidence Report due?

BIGFORK COUNTY WATER AND SEWER’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.

BIGFORK, MT · Flathead County

BIGFORK COUNTY WATER AND SEWER Water System

Consumer Confidence Report status

BIGFORK COUNTY WATER AND SEWER 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 no open violations for BIGFORK COUNTY WATER AND SEWER.

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): MT0000262
System type: Community Water System
Population served: 6,100
Service connections: 1,551
Ownership: local government
Water source: groundwater (wells)

BIGFORK COUNTY WATER AND SEWER is among the 20 largest community water systems in Montana, serving 6,100 people from groundwater.

As of August 1, 2026, its federal record holds 13 entries between 1995 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.

Of the 13, 8 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 Groundwater Rule, and the Radionuclides and Revised Rad Rule.

Violation history

Monitoring, Source Water (GWR)
—
E. COLI
May 14, 2015 – June 22, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2015 – March 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 2015 – February 28, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2015 – January 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2001 – September 30, 2001
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1997 – July 31, 1997
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
December 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
November 1, 1995 – November 30, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1995 – June 30, 1995
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
April 1, 1995 – April 30, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
May 14, 2015 – June 22, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
March 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 2015 – February 28, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2015 – January 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
September 1, 2001 – September 30, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1997 – July 31, 1997	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1996 – December 31, 1996	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Arsenic	—	Resolved
November 1, 1995 – November 30, 1995	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1995 – June 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1995 – April 30, 1995	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 23, 2015State Public Notification received1 linked violation
June 22, 2015State Compliance achieved1 linked violation
June 16, 2015State Violation/Reminder Notice1 linked violation
June 16, 2015State Public Notification requested1 linked violation
April 8, 2015State Compliance achieved1 linked violation
April 8, 2015State Compliance achieved1 linked violation
April 8, 2015State Compliance achieved1 linked violation
March 18, 2015State Public Notification received1 linked violation
March 16, 2015State Public Notification received1 linked violation
March 6, 2015State Public Notification requested1 linked violation
March 6, 2015State Violation/Reminder Notice1 linked violation
March 6, 2015State Violation/Reminder Notice1 linked violation
February 24, 2015State Violation/Reminder Notice1 linked violation
February 24, 2015State Violation/Reminder Notice1 linked violation
February 24, 2015State Public Notification requested1 linked violation
February 2, 2015State Public Notification received1 linked violation
January 28, 2015State Public Notification requested1 linked violation
January 28, 2015State Violation/Reminder Notice1 linked violation
January 28, 2015State Violation/Reminder Notice1 linked violation
February 26, 2010State Compliance achieved1 linked violation
November 19, 2009State Public Notification received1 linked violation
December 6, 2001State Compliance achieved1 linked violation
September 19, 2001State Public Notification requested1 linked violation
September 19, 2001State Violation/Reminder Notice1 linked violation
September 19, 2001State Violation/Reminder Notice1 linked violation
June 30, 1996State Compliance achieved1 linked violation

Common questions

Is BIGFORK COUNTY WATER AND SEWER required to publish a Consumer Confidence Report?: Yes. BIGFORK COUNTY WATER AND SEWER 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 BIGFORK COUNTY WATER AND SEWER’s next Consumer Confidence Report due?: BIGFORK COUNTY WATER AND SEWER’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does BIGFORK COUNTY WATER AND SEWER have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for BIGFORK COUNTY WATER AND SEWER.
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

HANTZ, TYLER J

406-837-4566

BIGFORK, MT 59911