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AquaCensus

Public water system · MT0005249

Active

Lakeside Market & Gas Unapproved

At a glance

Lakeside Market & Gas Unapproved (PWSID MT0005249) is an active transient non-community water system in Lewis and Clark County, Montana. It reports serving 30 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

30

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0005249
System typeTransient non-community water system
Activity statusActive
Population served30
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedLakeside
StateMontana
ZIP—
CountyLewis and Clark County

How does Lakeside Market & Gas Unapproved compare with other water systems in Lewis and Clark County?

By EPA's size categories, Lakeside Market & Gas Unapproved is a very small system (500 people or fewer). Lewis and Clark County has 165 active public water systems. Its population served is well below the county average of 413 people per system, and accounts for less than 0.1% of the 68,071 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 Lakeside Market & Gas Unapproved 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 Lakeside Market & Gas Unapproved?

EPA lists Lakeside Market & Gas Unapproved 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. 134 of the 165 active systems in Lewis and Clark County (81%) are also privately owned.

Does Lakeside Market & Gas Unapproved have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Lakeside Market & Gas Unapproved. For the latest compliance status, check EPA ECHO for current compliance history.

Lakeside Market & Gas Unapproved: frequently asked questions

Who runs Lakeside Market & Gas Unapproved?

Lakeside Market & Gas Unapproved (PWSID MT0005249) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Lakeside Market & Gas Unapproved serve?

Lakeside Market & Gas Unapproved reports serving 30 people through 2 service connections in Lewis and Clark County, Montana.

Where does Lakeside Market & Gas Unapproved 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 Lakeside Market & Gas Unapproved have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Lakeside Market & Gas Unapproved'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Lakeside Market & Gas Unapproved's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Lakeside Market & Gas Unapproved 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 Lewis and Clark County

Water systemCountyPopulation servedTypeSource
Helena Water SystemLewis and Clark32,091CommunitySurface water
East Helena City ofLewis and Clark2,114CommunityGroundwater
Eastgate Village Sewer and WaterLewis and Clark2,000CommunityGroundwater
Va Medical Center HelenaLewis and Clark1,275CommunityPurchased surface water
Helena Leisure LLCLewis and Clark1,200CommunityGroundwater
Bobs Valley Service Inc.Lewis and Clark1,032Non-transient 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, “Lakeside Market & Gas Unapproved, PWSID MT0005249, Montana”, https://aquacensus.com/water-systems/montana/lakeside-market-gas-unapproved-mt0005249 (data as of October 1, 2026).