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Public water system · MT0004838

Active

Murdochs Ranch Supply Bozeman

At a glance

Murdochs Ranch Supply Bozeman (PWSID MT0004838) is an active non-transient non-community water system in Gallatin County, Montana. It reports serving 280 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, none is health-based, and the most recent began in October 2024.

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

Population served

280

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMT0004838
System typeNon-transient non-community water system
Activity statusActive
Population served280
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedBozeman
StateMontana
ZIP—
CountyGallatin County

How does Murdochs Ranch Supply Bozeman compare with other water systems in Gallatin County?

By EPA's size categories, Murdochs Ranch Supply Bozeman is a very small system (500 people or fewer). Gallatin County has 207 active public water systems. Its population served is about 61% below the county average of 713 people per system, and accounts for 0.2% of the 147,534 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 Murdochs Ranch Supply Bozeman is about 35% below 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. 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 Murdochs Ranch Supply Bozeman?

EPA lists Murdochs Ranch Supply Bozeman 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. 180 of the 207 active systems in Gallatin County (87%) are also privately owned.

Does Murdochs Ranch Supply Bozeman have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2020 and October 2024. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Lead and Copper Rule, Revised Total Coliform Rule, Thallium and cis-1,2-Dichloroethylene. EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2023-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved

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.

Murdochs Ranch Supply Bozeman: frequently asked questions

Who runs Murdochs Ranch Supply Bozeman?

Murdochs Ranch Supply Bozeman (PWSID MT0004838) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Murdochs Ranch Supply Bozeman serve?

Murdochs Ranch Supply Bozeman reports serving 280 people through 1 service connection in Gallatin County, Montana.

Where does Murdochs Ranch Supply Bozeman 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 Murdochs Ranch Supply Bozeman 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 October 2024. 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 Murdochs Ranch Supply Bozeman'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 October 2024. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Murdochs Ranch Supply Bozeman's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Murdochs Ranch Supply Bozeman 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 Gallatin County

Water systemCountyPopulation servedTypeSource
Bozeman City ofGallatin56,000CommunitySurface water
Montana State University BozemanGallatin19,200Non-transient non-communityPurchased surface water
Belgrade City ofGallatin10,460CommunityGroundwater
West Yellowstone Town ofGallatin9,899CommunityGroundwater
North Star Zoot WaterGallatin4,323CommunityGroundwater
River Rock County Water and Sewer DistGallatin4,200CommunityGroundwater

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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, “Murdochs Ranch Supply Bozeman, PWSID MT0004838, Montana”, https://aquacensus.com/water-systems/montana/murdochs-ranch-supply-bozeman-mt0004838 (data as of October 1, 2026).