Is THOMSON MOBILE HOME PARK required to publish a Consumer Confidence Report?

Yes. THOMSON MOBILE HOME PARK 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 THOMSON MOBILE HOME PARK’s next Consumer Confidence Report due?

THOMSON MOBILE HOME PARK’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.

BOZEMAN, MT · Gallatin County

THOMSON MOBILE HOME PARK Water System

Consumer Confidence Report status

THOMSON MOBILE HOME PARK 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 THOMSON MOBILE HOME PARK.

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): MT0000037
System type: Community Water System
Population served: 65
Service connections: 25
Ownership: privately owned
Water source: groundwater (wells)

THOMSON MOBILE HOME PARK is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 65 people from groundwater.

As of August 1, 2026, its federal record holds 10 entries between 1993 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 10, 7 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, inorganic chemicals, and the Groundwater Rule.

Violation history

Monitoring, Regular
—
Arsenic
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 13, 2015 – November 23, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
July 1, 2011 – November 23, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2011 – July 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1995 – December 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1995 – July 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1993 – November 30, 1993
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2023 – December 31, 2025	Monitoring, Regular	Arsenic	—	Resolved
October 13, 2015 – November 23, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2015 – October 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2011 – November 23, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2011 – July 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2009 – April 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1995 – December 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1995 – July 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1993 – November 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 21, 2026State Compliance achieved1 linked violation
January 23, 2026State Public Notification requested1 linked violation
January 23, 2026State Violation/Reminder Notice1 linked violation
November 23, 2015State Compliance achieved2 linked violations
November 22, 2015State Compliance achieved1 linked violation
November 17, 2015State Public Notification requested1 linked violation
November 17, 2015State Violation/Reminder Notice1 linked violation
November 5, 2015State Public Notification received1 linked violation
October 9, 2015State Violation/Reminder Notice1 linked violation
October 9, 2015State Public Notification requested1 linked violation
October 9, 2015State Violation/Reminder Notice1 linked violation
September 2, 2011State Public Notification requested1 linked violation
September 2, 2011State Violation/Reminder Notice1 linked violation
August 1, 2011State Compliance achieved1 linked violation
July 23, 2011State Public Notification received1 linked violation
July 11, 2011State Violation/Reminder Notice1 linked violation
July 11, 2011State Violation/Reminder Notice1 linked violation
July 11, 2011State Public Notification requested1 linked violation
May 7, 2010State Compliance achieved1 linked violation
April 28, 2009State Public Notification received1 linked violation
April 13, 2009State Violation/Reminder Notice1 linked violation
April 13, 2009State Public Notification requested1 linked violation
April 13, 2009State Violation/Reminder Notice1 linked violation
September 20, 2001State Violation/Reminder Notice1 linked violation
September 20, 2001State Violation/Reminder Notice1 linked violation
September 20, 2001State Public Notification requested1 linked violation
April 30, 2001State Compliance achieved3 linked violations
December 31, 2000State Formal Notice of Violation issued2 linked violations
December 31, 2000State no additional Formal Action needed11 linked violations
December 31, 2000State Formal Notice of Violation issued3 linked violations
December 31, 2000State Compliance achieved15 linked violations
January 30, 1996State Violation/Reminder Notice1 linked violation
October 25, 1995State Violation/Reminder Notice2 linked violations
August 31, 1995State Violation/Reminder Notice2 linked violations

Common questions

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

LODGE, SHARON

406-587-1710

BOZEMAN, MT 59718