MISSOULA, MT · Missoula County
LEWIS AND CLARK TRAILER COURT Water System
Consumer Confidence Report status
LEWIS AND CLARK TRAILER COURT 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 LEWIS AND CLARK TRAILER COURT.
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)
- MT0000370
- System type
- Community Water System
- Population served
- 110
- Service connections
- 42
- Ownership
- local government
- Water source
- groundwater (wells)
LEWIS AND CLARK TRAILER COURT is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 110 people from groundwater.
As of August 1, 2026, its federal record holds 6 entries between 1992 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.
Of the 6, 3 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 and the Groundwater Rule.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2015 – October 31, 2015
ResolvedMonitoring, Source Water (GWR)
—E. COLI
September 16, 2015 – October 27, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2015 – September 30, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2009 – September 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1994 – August 31, 1994
ResolvedMonitoring, 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 |
| 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 Public Notification requested1 linked violation
- October 20, 2015State Violation/Reminder Notice1 linked violation
- October 19, 2015State Public Notification requested1 linked violation
- October 19, 2015State Violation/Reminder Notice1 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 Public Notification requested1 linked violation
- September 14, 2015State Violation/Reminder Notice1 linked violation
- May 7, 2010State Compliance achieved2 linked violations
- September 14, 2009State Public Notification received4 linked violations
- September 8, 2009State Public Notification requested1 linked violation
- September 8, 2009State Violation/Reminder Notice1 linked violation
- January 7, 2009State Compliance achieved12 linked violations
- November 27, 1996State Formal Notice of Violation issued1 linked violation
- September 22, 1994State Violation/Reminder Notice1 linked violation
- July 21, 1994State Violation/Reminder Notice5 linked violations
- October 10, 1983State no additional Formal Action needed1 linked violation
Common questions
Is LEWIS AND CLARK TRAILER COURT required to publish a Consumer Confidence Report?
- Yes. LEWIS AND CLARK TRAILER COURT 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 LEWIS AND CLARK TRAILER COURT’s next Consumer Confidence Report due?
- LEWIS AND CLARK TRAILER COURT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LEWIS AND CLARK TRAILER COURT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LEWIS AND CLARK TRAILER COURT.
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
OCONNOR, BRENT
406-258-4832
MISSOULA, MT 59808