Public water system · 083090318
ActiveBison Range
At a glance
Bison Range (PWSID 083090318) is an active transient non-community water system in Montana. It reports serving 915 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
915
Service connections
6
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Bison Range compare with other water systems in Montana?
By EPA's size categories, Bison Range is a small system (501 to 3,300 people). 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 Bison Range is about 6.4 times 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 Bison Range?
EPA lists Bison Range as Native American-owned. The EPA Region 08 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Bison Range 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 Bison Range. For the latest compliance status, check EPA ECHO for current compliance history.
Bison Range: frequently asked questions
Who runs Bison Range?
Bison Range (PWSID 083090318) is a transient non-community water system Native American-owned. It is regulated by the EPA Region 08.
How many people does Bison Range serve?
Bison Range reports serving 915 people through 6 service connections in Montana.
Where does Bison Range 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 Bison Range have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Bison Range'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 EPA Region 08.
Where can I find Bison Range's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Bison Range 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 Montana
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Billings City of | Yellowstone | 114,000 | Community | Surface water |
| Missoula Water | Missoula | 68,200 | Community | Groundwater |
| Great Falls City of | Cascade | 60,000 | Community | Surface water |
| Bozeman City of | Gallatin | 56,000 | Community | Surface water |
| Butte Silverbow Water Dept | Silver Bow | 33,000 | Community | Surface water |
| Helena Water System | Lewis and Clark | 32,091 | Community | Surface water |
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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, “Bison Range, PWSID 083090318, Montana”, https://aquacensus.com/water-systems/montana/bison-range-083090318 (data as of October 1, 2026).