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

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

FLATHEAD 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.

KALISPELL, MT · Flathead County

FLATHEAD COUNTY WATER AND SEWER Water System

Consumer Confidence Report status

FLATHEAD 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 FLATHEAD 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): MT0001744
System type: Community Water System
Population served: 7,775
Service connections: 3,805
Ownership: local government
Water source: groundwater (wells)

FLATHEAD COUNTY WATER AND SEWER is among the 16 largest community water systems in Montana, serving 7,775 people from groundwater.

As of August 1, 2026, its federal record holds 7 entries between 1996 and 2024, all of which EPA lists as closed.

Of the 7, 6 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 Lead and Copper Rule, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2024 – August 29, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – August 9, 2012
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2008 – December 31, 2016
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1998 – March 1, 2001
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
February 1, 1996 – February 29, 1996
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1996 – February 29, 1996
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1996 – December 31, 2000
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2024 – August 29, 2024	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2010 – August 9, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2008 – December 31, 2016	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
January 1, 1998 – March 1, 2001	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
February 1, 1996 – February 29, 1996	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 1996 – February 29, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1996 – December 31, 2000	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

February 4, 2025State Violation/Reminder Notice1 linked violation
August 29, 2024State Compliance achieved1 linked violation
October 31, 2012State Violation/Reminder Notice1 linked violation
October 31, 2012State Public Notification requested1 linked violation
August 9, 2012State Compliance achieved1 linked violation
March 1, 2001State Compliance achieved1 linked violation
March 1, 2001State Formal Notice of Violation issued2 linked violations
March 1, 2001State Compliance achieved1 linked violation
December 31, 2000State Compliance achieved1 linked violation
June 30, 1998State Compliance achieved2 linked violations

Common questions

Is FLATHEAD COUNTY WATER AND SEWER required to publish a Consumer Confidence Report?: Yes. FLATHEAD 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 FLATHEAD COUNTY WATER AND SEWER’s next Consumer Confidence Report due?: FLATHEAD COUNTY WATER AND SEWER’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does FLATHEAD 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 FLATHEAD 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

JAMES, MARK D

406-257-5861

KALISPELL, MT 59901