BIG SANDY, MT · Chouteau County

BIG SANDY TOWN OF Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)

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)
—
Total Haloacetic Acids (HAA5)
September 1, 2017 – August 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
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
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – February 21, 2007
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)
June 1, 1998 – June 30, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 1998 – February 28, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1996 – December 31, 1996
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)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2017 – August 31, 2018	Monitoring and Reporting (DBP)	TTHM	—	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
July 1, 2006 – February 21, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	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
June 1, 1998 – June 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 1998 – February 28, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 1996 – December 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	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
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 requested1 linked violation
October 17, 2014State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 19, 2011State Violation/Reminder Notice2 linked violations
October 5, 2011State Compliance achieved2 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 Public Notification requested1 linked violation
January 27, 2009State Violation/Reminder Notice2 linked violations
February 21, 2007State Compliance achieved1 linked violation
February 5, 2007State Violation/Reminder Notice1 linked violation
January 19, 2005State Compliance achieved2 linked violations
December 30, 2004State Public Notification requested2 linked violations
June 3, 2002State Compliance achieved2 linked violations

Contact

KLEINSASSER, WENDY

406-378-2350

BIG SANDY, MT 59520