MUSSELSHELL, MT · Musselshell County
MUSSELSHELL COMMUNITY COUNTY WSD Water System
Consumer Confidence Report status
MUSSELSHELL COMMUNITY COUNTY WSD 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 MUSSELSHELL COMMUNITY COUNTY WSD.
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)
- MT0000296
- System type
- Community Water System
- Population served
- 75
- Service connections
- 38
- Ownership
- local government
- Water source
- groundwater (wells)
MUSSELSHELL COMMUNITY COUNTY WSD is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 75 people from groundwater.
As of August 1, 2026, its federal record holds 8 entries between 1997 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
Of the 8, 2 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 Consumer Confidence Rule, the Total Coliform Rules, and inorganic chemicals.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – July 22, 2020
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2010 – October 21, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – August 13, 2008
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – March 5, 2007
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2006 – December 31, 2006
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2004 – June 30, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – July 30, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1997 – February 28, 1997
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2020 – July 22, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2010 – October 21, 2010 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2008 – August 13, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2006 – March 5, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| June 1, 2004 – June 30, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2002 – July 30, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| February 1, 1997 – February 28, 1997 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 22, 2020State Compliance achieved1 linked violation
- July 20, 2020State Violation/Reminder Notice1 linked violation
- January 14, 2013State Violation/Reminder Notice1 linked violation
- October 23, 2010State Public Notification requested1 linked violation
- June 19, 2009State Compliance achieved2 linked violations
- January 8, 2009State Compliance achieved4 linked violations
- December 26, 2008State Compliance achieved5 linked violations
- February 27, 2008State Public Notification received59 linked violations
- February 2, 2007State Compliance achieved3 linked violations
- January 14, 2007State Public Notification requested8 linked violations
- December 31, 2004State Compliance achieved1 linked violation
- June 30, 2004State Public Notification received2 linked violations
- June 25, 2004State Public Notification requested1 linked violation
Common questions
Is MUSSELSHELL COMMUNITY COUNTY WSD required to publish a Consumer Confidence Report?
- Yes. MUSSELSHELL COMMUNITY COUNTY WSD 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 MUSSELSHELL COMMUNITY COUNTY WSD’s next Consumer Confidence Report due?
- MUSSELSHELL COMMUNITY COUNTY WSD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MUSSELSHELL COMMUNITY COUNTY WSD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MUSSELSHELL COMMUNITY COUNTY WSD.
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
MUSSELSHELL COMMUNITY COUNTY WSD
406-947-5141
MUSSELSHELL, MT 59059