Public water system · MT0062222

Active

West Fork Ranger Station

At a glance

West Fork Ranger Station (PWSID MT0062222) is an active non-transient non-community water system in Ravalli County, Montana. It reports serving 54 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in June 2018.

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

Population served

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMT0062222

System typeNon-transient non-community water system

Activity statusActive

Population served54

Service connections8

Primary water sourceGroundwater

Owner typeFederal government

Primacy agencyMT state drinking water program

City servedDarby

StateMontana

ZIP—

CountyRavalli County

How does West Fork Ranger Station compare with other water systems in Ravalli County?

By EPA's size categories, West Fork Ranger Station is a very small system (500 people or fewer). Ravalli County has 130 active public water systems. Its population served is well below the county average of 237 people per system, and accounts for 0.2% of the 30,805 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 West Fork Ranger Station is well 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 West Fork Ranger Station?

EPA lists West Fork Ranger Station as owned by the federal government. 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. 6 of the 130 active systems in Ravalli County (4.6%) are also owned by the federal government.

Does West Fork Ranger Station have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in June 2018. The violations listed here began between December 2007 and June 2018. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 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.

Began	Violation	Contaminant or rule	Health-based	Status
2018-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2018-01-18	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2016-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2015-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2014-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2013-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-08-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-01-01	Monitoring and reportingMonitoring, Regular · code 03	Fluoridecode 1025	No	Resolved
2009-12-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2009-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2007-12-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	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.

West Fork Ranger Station: frequently asked questions

Who runs West Fork Ranger Station?

West Fork Ranger Station (PWSID MT0062222) is a non-transient non-community water system owned by the federal government. It is regulated by the MT state drinking water program.

How many people does West Fork Ranger Station serve?

West Fork Ranger Station reports serving 54 people through 8 service connections in Ravalli County, Montana.

Where does West Fork Ranger Station 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 West Fork Ranger Station 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 June 2018. 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 West Fork Ranger Station'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 June 2018. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find West Fork Ranger Station's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. West Fork Ranger Station 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 Ravalli County

Water system	County	Population served	Type	Source
Hamilton City of	Ravalli	5,660	Community	Groundwater
Stevensville Town of	Ravalli	2,090	Community	Groundwater
Super One Food Store	Ravalli	1,769	Non-transient non-community	Groundwater
Town Pump Woodside 1	Ravalli	1,198	Transient non-community	Groundwater
Town Pump Florence 1	Ravalli	1,092	Transient non-community	Groundwater
Florence Carlton School	Ravalli	1,025	Non-transient non-community	Groundwater

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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, “West Fork Ranger Station, PWSID MT0062222, Montana”, https://aquacensus.com/water-systems/montana/west-fork-ranger-station-mt0062222 (data as of October 1, 2026).