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Public water system · MT0001408

Active

Tall Boys Tavern

At a glance

Tall Boys Tavern (PWSID MT0001408) is an active transient non-community water system in Judith Basin County, Montana. It reports serving 60 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in April 2021.

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

Population served

60

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0001408
System typeTransient non-community water system
Activity statusActive
Population served60
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedHobson
StateMontana
ZIP—
CountyJudith Basin County

How does Tall Boys Tavern compare with other water systems in Judith Basin County?

By EPA's size categories, Tall Boys Tavern is a very small system (500 people or fewer). Judith Basin County has 8 active public water systems, and Tall Boys Tavern is the 6th-largest of them by population served. Its population served is about 55% below the county average of 134 people per system, and accounts for 5.6% of the 1,069 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 Tall Boys Tavern is about 58% below 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 Tall Boys Tavern?

EPA lists Tall Boys Tavern 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. 4 of the 8 active systems in Judith Basin County (50%) are also privately owned.

Does Tall Boys Tavern have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in April 2021. The violations listed here began between April 2007 and April 2021. By type: 9 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate-Nitrite (7 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
2021-04-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2016-04-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2012-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2011-04-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2011-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-07-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitrate-Nitritecode 1038YesResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitrate-Nitritecode 1038YesResolved
2007-04-01Monitoring 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.

Tall Boys Tavern: frequently asked questions

Who runs Tall Boys Tavern?

Tall Boys Tavern (PWSID MT0001408) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Tall Boys Tavern serve?

Tall Boys Tavern reports serving 60 people through 1 service connection in Judith Basin County, Montana.

Where does Tall Boys Tavern 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 Tall Boys Tavern have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in April 2021. 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 Tall Boys Tavern'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, 3 are health-based, and the most recent began in April 2021. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Tall Boys Tavern's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Tall Boys Tavern 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 Judith Basin County

Water systemCountyPopulation servedTypeSource
Stanford Town ofJudith Basin425CommunityGroundwater
Hobson SchoolJudith Basin150Non-transient non-communityGroundwater
Hobson Town ofJudith Basin125CommunityGroundwater
Geyser Judith Basin Cty Water Sewer DistJudith Basin125CommunityGroundwater
Surprise Creek ColonyJudith Basin80CommunityGroundwater
Full Curl SmokersJudith Basin54Transient non-communityGroundwater

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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, “Tall Boys Tavern, PWSID MT0001408, Montana”, https://aquacensus.com/water-systems/montana/tall-boys-tavern-mt0001408 (data as of October 1, 2026).