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Public water system · MT0003111

Active

Grubstake Lounge and Restaurant

At a glance

Grubstake Lounge and Restaurant (PWSID MT0003111) is an active transient non-community water system in Lewis and Clark County, Montana. It reports serving 470 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 August 2023.

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

Population served

470

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0003111
System typeTransient non-community water system
Activity statusActive
Population served470
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedHelena
StateMontana
ZIP—
CountyLewis and Clark County

How does Grubstake Lounge and Restaurant compare with other water systems in Lewis and Clark County?

By EPA's size categories, Grubstake Lounge and Restaurant is a very small system (500 people or fewer). Lewis and Clark County has 165 active public water systems. Its population served is about 14% above the county average of 413 people per system, and accounts for 0.7% of the 68,071 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 Grubstake Lounge and Restaurant is about 3.3 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 Grubstake Lounge and Restaurant?

EPA lists Grubstake Lounge and Restaurant 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. 134 of the 165 active systems in Lewis and Clark County (81%) are also privately owned.

Does Grubstake Lounge and Restaurant have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2023. The violations listed here began between October 1994 and August 2023. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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
2023-08-29Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2019-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2010-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2009-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Grubstake Lounge and Restaurant: frequently asked questions

Who runs Grubstake Lounge and Restaurant?

Grubstake Lounge and Restaurant (PWSID MT0003111) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Grubstake Lounge and Restaurant serve?

Grubstake Lounge and Restaurant reports serving 470 people through 2 service connections in Lewis and Clark County, Montana.

Where does Grubstake Lounge and Restaurant 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 Grubstake Lounge and Restaurant 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 August 2023. 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 Grubstake Lounge and Restaurant'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 August 2023. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Grubstake Lounge and Restaurant's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Grubstake Lounge and Restaurant 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 Lewis and Clark County

Water systemCountyPopulation servedTypeSource
Helena Water SystemLewis and Clark32,091CommunitySurface water
East Helena City ofLewis and Clark2,114CommunityGroundwater
Eastgate Village Sewer and WaterLewis and Clark2,000CommunityGroundwater
Va Medical Center HelenaLewis and Clark1,275CommunityPurchased surface water
Helena Leisure LLCLewis and Clark1,200CommunityGroundwater
Bobs Valley Service Inc.Lewis and Clark1,032Non-transient 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, “Grubstake Lounge and Restaurant, PWSID MT0003111, Montana”, https://aquacensus.com/water-systems/montana/grubstake-lounge-and-restaurant-mt0003111 (data as of October 1, 2026).