MISSOULA, MT · Missoula County

LEWIS AND CLARK TRAILER COURT 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): MT0000370
System type: Community Water System
Population served: 110
Service connections: 42
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 16, 2015 – October 27, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1994 – April 30, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1992 – March 31, 1992
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2015 – October 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 16, 2015 – October 27, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1994 – August 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1994 – April 30, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 1992 – March 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 19, 2016State Public Notification received1 linked violation
November 2, 2015State Compliance achieved1 linked violation
November 2, 2015State Compliance achieved1 linked violation
October 27, 2015State Compliance achieved1 linked violation
October 20, 2015State Violation/Reminder Notice1 linked violation
October 20, 2015State Public Notification requested1 linked violation
October 19, 2015State Violation/Reminder Notice1 linked violation
October 19, 2015State Public Notification requested1 linked violation
October 19, 2015State Violation/Reminder Notice1 linked violation
October 16, 2015State Public Notification received1 linked violation
September 14, 2015State Violation/Reminder Notice1 linked violation
September 14, 2015State Violation/Reminder Notice1 linked violation
September 14, 2015State Public Notification requested1 linked violation
September 8, 2009State Violation/Reminder Notice1 linked violation
September 8, 2009State Public Notification requested1 linked violation
November 27, 1996State Formal Notice of Violation issued1 linked violation
September 22, 1994State Violation/Reminder Notice1 linked violation
April 17, 1992State Violation/Reminder Notice3 linked violations
October 10, 1983State no additional Formal Action needed1 linked violation

Contact

OCONNOR, BRENT

406-258-4832

MISSOULA, MT 59808