Public water system · MT0004914
ActiveMurdochs Columbia Falls
At a glance
Murdochs Columbia Falls (PWSID MT0004914) is an active transient non-community water system in Flathead County, Montana. It reports serving 215 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
215
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Murdochs Columbia Falls compare with other water systems in Flathead County?
By EPA's size categories, Murdochs Columbia Falls is a very small system (500 people or fewer). Flathead County has 327 active public water systems. Its population served is about 34% below the county average of 324 people per system, and accounts for 0.2% of the 105,781 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Murdochs Columbia Falls is about 49% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Montana has 1,206 active transient non-community water systems, 51% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.
Who owns and regulates Murdochs Columbia Falls?
EPA lists Murdochs Columbia Falls as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 263 of the 327 active systems in Flathead County (80%) are also privately owned.
Does Murdochs Columbia Falls have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Murdochs Columbia Falls. For the latest compliance status, check EPA ECHO for current compliance history.
Murdochs Columbia Falls: frequently asked questions
Who runs Murdochs Columbia Falls?
Murdochs Columbia Falls (PWSID MT0004914) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Murdochs Columbia Falls serve?
Murdochs Columbia Falls reports serving 215 people through 2 service connections in Flathead County, Montana.
Where does Murdochs Columbia Falls get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Murdochs Columbia Falls have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Murdochs Columbia Falls' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Murdochs Columbia Falls' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Murdochs Columbia Falls is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Flathead County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kalispell Public Works | Flathead | 25,000 | Community | Groundwater |
| Whitefish City of | Flathead | 10,418 | Community | Surface water |
| Flathead County Water and Sewer | Flathead | 7,775 | Community | Groundwater |
| Bigfork County Water and Sewer | Flathead | 6,100 | Community | Groundwater |
| Columbia Falls City of | Flathead | 4,450 | Community | Groundwater |
| Ridge Run | Flathead | 3,500 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Murdochs Columbia Falls, PWSID MT0004914, Montana”, https://aquacensus.com/water-systems/montana/murdochs-columbia-falls-mt0004914 (data as of October 1, 2026).