Public water system · MT0005153
ActiveThompson Falls Dollar General
At a glance
Thompson Falls Dollar General (PWSID MT0005153) is an active transient non-community water system in Sanders County, Montana. It reports serving 303 people through 1 service connection. 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
303
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Thompson Falls Dollar General compare with other water systems in Sanders County?
By EPA's size categories, Thompson Falls Dollar General is a very small system (500 people or fewer). Sanders County has 44 active public water systems. Its population served is about 45% above the county average of 209 people per system, and accounts for 3.3% of the 9,212 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 Thompson Falls Dollar General is about twice 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 Thompson Falls Dollar General?
EPA lists Thompson Falls Dollar General 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. 35 of the 44 active systems in Sanders County (80%) are also privately owned.
Does Thompson Falls Dollar General 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 Thompson Falls Dollar General. For the latest compliance status, check EPA ECHO for current compliance history.
Thompson Falls Dollar General: frequently asked questions
Who runs Thompson Falls Dollar General?
Thompson Falls Dollar General (PWSID MT0005153) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Thompson Falls Dollar General serve?
Thompson Falls Dollar General reports serving 303 people through 1 service connection in Sanders County, Montana.
Where does Thompson Falls Dollar General 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 Thompson Falls Dollar General have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Thompson Falls Dollar General's 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 Thompson Falls Dollar General's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Thompson Falls Dollar General 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 Sanders County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Thompson Falls City of | Sanders | 1,950 | Community | Groundwater |
| Plains Town of | Sanders | 1,700 | Community | Groundwater |
| Hot Springs Municipal Water | Sanders | 600 | Community | Groundwater |
| One Stop | Sanders | 500 | Transient non-community | Groundwater |
| Sanders County Harvest Foods | Sanders | 445 | Non-transient non-community | Groundwater |
| Water Service Inc. Trout Creek | Sanders | 350 | 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, “Thompson Falls Dollar General, PWSID MT0005153, Montana”, https://aquacensus.com/water-systems/montana/thompson-falls-dollar-general-mt0005153 (data as of October 1, 2026).