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Public water system · MT0003221

Active

Timberlane Resort

At a glance

Timberlane Resort (PWSID MT0003221) is an active transient non-community water system in Lake County, Montana. It reports serving 26 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 2024.

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

Population served

26

Service connections

15

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0003221
System typeTransient non-community water system
Activity statusActive
Population served26
Service connections15
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedPolson
StateMontana
ZIP—
CountyLake County

How does Timberlane Resort compare with other water systems in Lake County?

By EPA's size categories, Timberlane Resort is a very small system (500 people or fewer). Lake County has 90 active public water systems. Its population served is well below the county average of 220 people per system, and accounts for 0.1% 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 Timberlane Resort is well 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 Timberlane Resort?

EPA lists Timberlane Resort 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 Timberlane Resort have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between July 1992 and October 2024. By type: 7 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 9 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
2024-10-01ReportingReport Startup Procedures Cert Form (RTCR) · code 4CRevised Total Coliform Rulecode 8000NoResolved
2003-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2000-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1996-09-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1994-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-07-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1992-07-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved

All 9 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.

Timberlane Resort: frequently asked questions

Who runs Timberlane Resort?

Timberlane Resort (PWSID MT0003221) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Timberlane Resort serve?

Timberlane Resort reports serving 26 people through 15 service connections in Lake County, Montana.

Where does Timberlane Resort 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 Timberlane Resort have any drinking water violations?

EPA's records list 9 violations for this system; 1 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 Timberlane Resort'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. EPA's records list 9 violations for this system; 1 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 Timberlane Resort's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Timberlane Resort 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, “Timberlane Resort, PWSID MT0003221, Montana”, https://aquacensus.com/water-systems/montana/timberlane-resort-mt0003221 (data as of October 1, 2026).