Public water system · MT0001388

Active

Cozy Corner Bar

At a glance

Cozy Corner Bar (PWSID MT0001388) is an active transient non-community water system in Golden Valley County, Montana. It reports serving 50 people through 1 service connection. Its primary water source is purchased surface water, 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 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

SWP

Purchased surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0001388

System typeTransient non-community water system

Activity statusActive

Population served50

Service connections1

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencyMT state drinking water program

City servedLavina

StateMontana

ZIP—

CountyGolden Valley County

How does Cozy Corner Bar compare with other water systems in Golden Valley County?

By EPA's size categories, Cozy Corner Bar is a very small system (500 people or fewer). Golden Valley County has 4 active public water systems, and Cozy Corner Bar is the 4th-largest of them by population served. Its population served is about 61% below the county average of 129 people per system, and accounts for 9.7% of the 514 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 Cozy Corner Bar is about 65% 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. 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 Cozy Corner Bar?

EPA lists Cozy Corner Bar 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. 2 of the 4 active systems in Golden Valley County (50%) are also privately owned.

Does Cozy Corner Bar 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 2026. The violations listed here began between May 2023 and April 2026. By type: 12 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (12 of them). EPA lists 6 as archived and 6 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2026-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2026-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2026-02-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2026-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2023-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved

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.

Cozy Corner Bar: frequently asked questions

Who runs Cozy Corner Bar?

Cozy Corner Bar (PWSID MT0001388) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Cozy Corner Bar serve?

Cozy Corner Bar reports serving 50 people through 1 service connection in Golden Valley County, Montana.

Where does Cozy Corner Bar 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 Cozy Corner Bar 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 2026. 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 Cozy Corner Bar'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 2026. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Cozy Corner Bar's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cozy Corner Bar 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 Golden Valley County

Water system	County	Population served	Type	Source
Ryegate Town of	Golden Valley	270	Community	Groundwater
Golden Valley Colony	Golden Valley	100	Community	Groundwater
Lavina School District	Golden Valley	94	Non-transient non-community	Groundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Cozy Corner Bar, PWSID MT0001388, Montana”, https://aquacensus.com/water-systems/montana/cozy-corner-bar-mt0001388 (data as of October 1, 2026).