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Public water system · MT0004347

Active

Flathead Lake United Methodist Camp

At a glance

Flathead Lake United Methodist Camp (PWSID MT0004347) is an active transient non-community water system in Lake County, Montana. It reports serving 86 people through 24 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, 4 are health-based, and the most recent began in January 2024.

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

Population served

86

Service connections

24

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0004347
System typeTransient non-community water system
Activity statusActive
Population served86
Service connections24
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedRollins
StateMontana
ZIP—
CountyLake County

How does Flathead Lake United Methodist Camp compare with other water systems in Lake County?

By EPA's size categories, Flathead Lake United Methodist Camp is a very small system (500 people or fewer). Lake County has 90 active public water systems. Its population served is about 61% below the county average of 220 people per system, and accounts for 0.4% of the 19,829 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 Flathead Lake United Methodist Camp is about 40% 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 Flathead Lake United Methodist Camp?

EPA lists Flathead Lake United Methodist Camp 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. 71 of the 90 active systems in Lake County (79%) are also privately owned.

Does Flathead Lake United Methodist Camp have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2024. The violations listed here began between July 2013 and January 2024. By type: 6 monitoring and reporting, 2 required treatment not met, 2 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Groundwater Rule (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
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2022-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2022-06-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2021-05-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2018-06-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2018-06-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2018-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-06-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2017-05-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2013-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2013-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Flathead Lake United Methodist Camp: frequently asked questions

Who runs Flathead Lake United Methodist Camp?

Flathead Lake United Methodist Camp (PWSID MT0004347) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Flathead Lake United Methodist Camp serve?

Flathead Lake United Methodist Camp reports serving 86 people through 24 service connections in Lake County, Montana.

Where does Flathead Lake United Methodist Camp 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 Flathead Lake United Methodist Camp have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 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 Flathead Lake United Methodist Camp'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, 4 are health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Flathead Lake United Methodist Camp's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Flathead Lake United Methodist Camp 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 Lake County

Water systemCountyPopulation servedTypeSource
Polson City ofLake5,300CommunityGroundwater
Ronan City ofLake2,483CommunitySurface water
Pablo Lake County Water and Sewer DistLake2,175CommunityGroundwater
St Ignatius Town ofLake700CommunityGroundwater
Woods Bay Water and Sewer DistrictLake685CommunityGroundwater
Wilson FoodsLake600Transient 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, “Flathead Lake United Methodist Camp, PWSID MT0004347, Montana”, https://aquacensus.com/water-systems/montana/flathead-lake-united-methodist-camp-mt0004347 (data as of October 1, 2026).