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Public water system · MT0000978

Active

Wilson Foods

At a glance

Wilson Foods (PWSID MT0000978) is an active transient non-community water system in Lake County, Montana. It reports serving 600 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 January 2024.

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

Population served

600

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0000978
System typeTransient non-community water system
Activity statusActive
Population served600
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedArlee
StateMontana
ZIP—
CountyLake County

How does Wilson Foods compare with other water systems in Lake County?

By EPA's size categories, Wilson Foods is a small system (501 to 3,300 people). Lake County has 90 active public water systems, and Wilson Foods is the 6th-largest of them by population served. Its population served is about 172% above the county average of 220 people per system, and accounts for 3% 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 Wilson Foods is about 4.2 times 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 Wilson Foods?

EPA lists Wilson Foods 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 Wilson Foods have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. The violations listed here began between November 2015 and January 2024. By type: 6 monitoring and reporting and 6 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2020-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2018-11-08Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2017-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Wilson Foods: frequently asked questions

Who runs Wilson Foods?

Wilson Foods (PWSID MT0000978) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Wilson Foods serve?

Wilson Foods reports serving 600 people through 1 service connection in Lake County, Montana.

Where does Wilson Foods 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 Wilson Foods 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 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 Wilson Foods' 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 January 2024. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Wilson Foods' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wilson Foods 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
Consolidated Charlo Lake Co W and S DistLake450CommunityGroundwater

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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, “Wilson Foods, PWSID MT0000978, Montana”, https://aquacensus.com/water-systems/montana/wilson-foods-mt0000978 (data as of October 1, 2026).