Is BONNER HOUSING PWS SYSTEM required to publish a Consumer Confidence Report?

Yes. BONNER HOUSING PWS SYSTEM 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 BONNER HOUSING PWS SYSTEM’s next Consumer Confidence Report due?

BONNER HOUSING PWS SYSTEM’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.

MISSOULA, MT · Missoula County

BONNER HOUSING PWS SYSTEM Water System

Consumer Confidence Report status

BONNER HOUSING PWS SYSTEM 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 BONNER HOUSING PWS SYSTEM.

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): MT0000467
System type: Community Water System
Population served: 128
Service connections: 48
Ownership: privately owned
Water source: groundwater (wells)

BONNER HOUSING PWS SYSTEM is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 128 people from groundwater.

As of August 1, 2026, its federal record holds 17 entries between 1995 and 2017, all of which EPA lists as closed. Nothing has been added since 2017.

Of the 17, 11 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, synthetic organic chemicals, and the Groundwater Rule.

Violation history

Monitoring, Source Water (GWR)
—
E. COLI
July 27, 2017 – August 22, 2017
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2012 – April 30, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2010 – December 2, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2010 – July 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2009 – August 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2001 – August 31, 2001
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1996 – February 29, 1996
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
February 1, 1996 – February 29, 1996
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
December 1, 1995 – December 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 27, 2017 – August 22, 2017	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
April 1, 2012 – April 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2010 – December 2, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2010 – July 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2009 – August 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2003 – December 31, 2003	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
September 1, 2002 – September 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2001 – August 31, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 1996 – February 29, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 1996 – February 29, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1995 – December 31, 1995	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 22, 2017State Compliance achieved1 linked violation
August 18, 2017State Public Notification requested1 linked violation
August 18, 2017State Violation/Reminder Notice1 linked violation
May 29, 2012State Compliance achieved1 linked violation
April 27, 2012State Public Notification received1 linked violation
April 25, 2012State Violation/Reminder Notice1 linked violation
April 25, 2012State Public Notification requested1 linked violation
April 25, 2012State Violation/Reminder Notice1 linked violation
January 18, 2011State Violation/Reminder Notice1 linked violation
January 18, 2011State Public Notification requested1 linked violation
December 2, 2010State Compliance achieved1 linked violation
September 27, 2010State Compliance achieved1 linked violation
August 19, 2010State Public Notification requested1 linked violation
August 19, 2010State Violation/Reminder Notice1 linked violation
August 19, 2010State Public Notification received1 linked violation
May 7, 2010State Compliance achieved2 linked violations
August 24, 2009State Public Notification received1 linked violation
August 14, 2009State Violation/Reminder Notice1 linked violation
August 14, 2009State Public Notification requested2 linked violations
August 14, 2009State Compliance achieved1 linked violation
August 14, 2009State Public Notification requested1 linked violation
August 14, 2009State Violation/Reminder Notice1 linked violation
November 28, 2008State Compliance achieved7 linked violations
February 27, 2008State Compliance achieved1 linked violation
February 7, 2008State Compliance achieved7 linked violations
January 25, 2008State Violation/Reminder Notice6 linked violations
January 25, 2008State Public Notification requested6 linked violations
April 2, 2007State Public Notification received1 linked violation
March 23, 2007State Violation/Reminder Notice1 linked violation
March 23, 2007State Public Notification requested1 linked violation
March 23, 2007State Violation/Reminder Notice1 linked violation
June 23, 2005State Compliance achieved3 linked violations
February 11, 2005State Compliance achieved1 linked violation
January 4, 2005State Public Notification requested2 linked violations
January 4, 2005State Violation/Reminder Notice1 linked violation
January 3, 2005State Public Notification requested1 linked violation
January 3, 2005State Violation/Reminder Notice3 linked violations
January 3, 2005State Public Notification requested3 linked violations
January 3, 2005State Violation/Reminder Notice1 linked violation
January 27, 2003State Compliance achieved1 linked violation
September 28, 2002State Violation/Reminder Notice2 linked violations
September 28, 2002State Public Notification requested2 linked violations
September 26, 2002State Violation/Reminder Notice2 linked violations
September 26, 2002State Public Notification requested1 linked violation
January 19, 2002State Public Notification requested1 linked violation
November 2, 2001State Compliance achieved1 linked violation
August 30, 2001State Public Notification requested1 linked violation
August 30, 2001State Violation/Reminder Notice1 linked violation
August 30, 2001State Violation/Reminder Notice1 linked violation

Common questions

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

CRISP, KEN L

406-549-8868

MISSOULA, MT 59806