ROUNDUP, MT · Musselshell County

ROUNDUP WATER DEPARTMENT 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): MT0000321
System type: Community Water System
Population served: 1,900
Service connections: 858
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2020 – July 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2019 – June 30, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – July 25, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2014 – August 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2014 – August 31, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2013 – December 26, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – August 30, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – August 18, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1995 – September 30, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2020 – July 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2019 – June 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2018 – July 25, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2014 – August 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2014 – August 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2013 – December 26, 2013	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2010 – August 30, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2008 – August 18, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 1995 – September 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

May 15, 2024State Public Notification received1 linked violation
February 20, 2024State Compliance achieved1 linked violation
January 24, 2024State Violation/Reminder Notice1 linked violation
January 24, 2024State Public Notification requested1 linked violation
August 21, 2020State Public Notification requested1 linked violation
August 21, 2020State Violation/Reminder Notice1 linked violation
August 19, 2020State Compliance achieved1 linked violation
August 8, 2019State Public Notification received1 linked violation
July 25, 2019State Violation/Reminder Notice1 linked violation
July 25, 2019State Public Notification requested1 linked violation
July 9, 2019State Compliance achieved1 linked violation
September 12, 2018State Compliance achieved1 linked violation
August 15, 2018State Public Notification requested1 linked violation
August 15, 2018State Violation/Reminder Notice1 linked violation
July 25, 2018State Compliance achieved1 linked violation
July 17, 2018State Violation/Reminder Notice1 linked violation
August 10, 2016State Compliance achieved2 linked violations
October 19, 2015State Public Notification requested2 linked violations
October 19, 2015State Violation/Reminder Notice2 linked violations
December 26, 2013State Compliance achieved1 linked violation
December 20, 2013State Violation/Reminder Notice1 linked violation
August 30, 2011State Compliance achieved1 linked violation
November 16, 2010State Public Notification received1 linked violation
October 30, 2010State Public Notification requested1 linked violation
August 18, 2008State Compliance achieved1 linked violation
August 17, 2008State Violation/Reminder Notice1 linked violation

Contact

LANTER, TANYA

406-323-2804

ROUNDUP, MT 59072