Public water system · MT0004788
ActiveMontana State University Billings
At a glance
Montana State University Billings (PWSID MT0004788) is an active non-transient non-community water system in Yellowstone County, Montana. It reports serving 2,999 people through 15 service connections. Its primary water source is purchased surface water, 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
2,999
Service connections
15
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Montana State University Billings compare with other water systems in Yellowstone County?
By EPA's size categories, Montana State University Billings is a small system (501 to 3,300 people). Yellowstone County has 119 active public water systems, and Montana State University Billings is the 6th-largest of them by population served. Its population served is about twice the county average of 1,422 people per system, and accounts for 1.8% of the 169,240 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Montana State University Billings is about 7 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Montana has 319 active non-transient non-community water systems, 13% of the state's 2,378 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 212 Montana systems (8.9%) list purchased surface water as their primary source.
Who owns and regulates Montana State University Billings?
EPA lists Montana State University Billings 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. 97 of the 119 active systems in Yellowstone County (82%) are also privately owned.
Does Montana State University Billings 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 Montana State University Billings. For the latest compliance status, check EPA ECHO for current compliance history.
Montana State University Billings: frequently asked questions
Who runs Montana State University Billings?
Montana State University Billings (PWSID MT0004788) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Montana State University Billings serve?
Montana State University Billings reports serving 2,999 people through 15 service connections in Yellowstone County, Montana.
Where does Montana State University Billings get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Montana State University Billings have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Montana State University Billings' 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 Montana State University Billings' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Montana State University Billings is a non-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 Yellowstone County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Billings City of | Yellowstone | 114,000 | Community | Surface water |
| Billings Heights Co Water Dist of | Yellowstone | 12,000 | Community | Purchased surface water |
| Laurel Municipal Water System | Yellowstone | 6,339 | Community | Surface water |
| Lockwood Water and Sewer District | Yellowstone | 5,900 | Community | Surface water |
| Rocky Mountain College | Yellowstone | 5,700 | Non-transient non-community | Purchased surface water |
| Pioneer Water Service | Yellowstone | 900 | Community | Purchased 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, “Montana State University Billings, PWSID MT0004788, Montana”, https://aquacensus.com/water-systems/montana/montana-state-university-billings-mt0004788 (data as of October 1, 2026).