Is BIG SANDY TOWN OF required to publish a Consumer Confidence Report?

Yes. BIG SANDY TOWN OF 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 BIG SANDY TOWN OF’s next Consumer Confidence Report due?

BIG SANDY TOWN OF’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.

BIG SANDY, MT · Chouteau County

BIG SANDY TOWN OF Water System

Consumer Confidence Report status

BIG SANDY TOWN OF 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 BIG SANDY TOWN OF.

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): MT0000150
System type: Community Water System
Population served: 608
Service connections: 372
Ownership: local government
Water source: groundwater (wells)

BIG SANDY TOWN OF is one of 123 community water systems in Montana in the 501 to 3,300 people size category, serving 608 people from groundwater.

As of August 1, 2026, its federal record holds 13 entries between 1997 and 2024, all of which EPA lists as closed.

Of the 13, 12 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 Stage 2 Disinfectants and Disinfection Byproducts Rule, and inorganic chemicals.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 31, 2024
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2017 – August 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2017 – August 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2014 – August 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2010 – April 30, 2010
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1998 – November 30, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1998 – July 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 1998 – February 28, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1997 – December 31, 1997
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2024 – July 31, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
September 1, 2017 – August 31, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2017 – August 31, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2014 – August 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2010 – April 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
November 1, 1998 – November 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 1998 – October 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1998 – August 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1998 – July 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 1998 – February 28, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 1997 – December 31, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

January 16, 2025State Public Notification requested1 linked violation
January 16, 2025State Compliance achieved2 linked violations
July 31, 2024State Compliance achieved2 linked violations
July 23, 2024State Violation/Reminder Notice1 linked violation
August 12, 2019State Compliance achieved3 linked violations
October 18, 2018State Public Notification requested2 linked violations
January 29, 2018State Compliance achieved2 linked violations
January 23, 2018State Public Notification requested1 linked violation
January 23, 2018State Violation/Reminder Notice2 linked violations
August 9, 2016State Compliance achieved3 linked violations
October 19, 2015State Public Notification requested2 linked violations
December 9, 2014State Compliance achieved2 linked violations
October 17, 2014State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 17, 2014State Public Notification requested1 linked violation
October 19, 2011State Public Notification requested2 linked violations
October 8, 2010State Compliance achieved1 linked violation
May 13, 2010State Violation/Reminder Notice2 linked violations
February 9, 2009State Compliance achieved1 linked violation
January 27, 2009State Violation/Reminder Notice2 linked violations
January 27, 2009State Public Notification requested1 linked violation
February 21, 2007State Compliance achieved1 linked violation
February 5, 2007State Violation/Reminder Notice1 linked violation
June 3, 2002State Compliance achieved2 linked violations
February 16, 2001State Public Notification requested7 linked violations

Common questions

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

KLEINSASSER, WENDY

406-378-2350

BIG SANDY, MT 59520