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Public water system · MT0001855

Active

Evaro Bar and Casino

At a glance

Evaro Bar and Casino (PWSID MT0001855) is an active transient non-community water system in Missoula County, Montana. It reports serving 71 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

71

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0001855
System typeTransient non-community water system
Activity statusActive
Population served71
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedMissoula
StateMontana
ZIP—
CountyMissoula County

How does Evaro Bar and Casino compare with other water systems in Missoula County?

By EPA's size categories, Evaro Bar and Casino is a very small system (500 people or fewer). Missoula County has 244 active public water systems. Its population served is well below the county average of 576 people per system, and accounts for less than 0.1% of the 140,505 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 Evaro Bar and Casino is about half of 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 Evaro Bar and Casino?

EPA lists Evaro Bar and Casino 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. 201 of the 244 active systems in Missoula County (82%) are also privately owned.

Does Evaro Bar and Casino have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020. The violations listed here began between January 2014 and April 2020. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2020-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Evaro Bar and Casino: frequently asked questions

Who runs Evaro Bar and Casino?

Evaro Bar and Casino (PWSID MT0001855) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Evaro Bar and Casino serve?

Evaro Bar and Casino reports serving 71 people through 2 service connections in Missoula County, Montana.

Where does Evaro Bar and Casino 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 Evaro Bar and Casino have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Evaro Bar and Casino'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Evaro Bar and Casino's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Evaro Bar and Casino 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 Missoula County

Water systemCountyPopulation servedTypeSource
Missoula WaterMissoula68,200CommunityGroundwater
University of MontanaMissoula15,000Non-transient non-communityPurchased groundwater
Lolo Water and Sewer DistMissoula3,315CommunityGroundwater
Town Pump Bonner 1Missoula2,460Non-transient non-communityGroundwater
Clearwater Junction Rest AreaMissoula2,002Transient non-communityGroundwater
Seeley Lake Water DistrictMissoula1,575CommunitySurface 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, “Evaro Bar and Casino, PWSID MT0001855, Montana”, https://aquacensus.com/water-systems/montana/evaro-bar-and-casino-mt0001855 (data as of October 1, 2026).