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Public water system · MT0000929

Active

Glacier Park International Airport

At a glance

Glacier Park International Airport (PWSID MT0000929) is an active non-transient non-community water system in Flathead County, Montana. It reports serving 2,680 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; none is health-based, and the most recent began in February 2012.

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

Population served

2,680

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMT0000929
System typeNon-transient non-community water system
Activity statusActive
Population served2,680
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedKalispell
StateMontana
ZIP—
CountyFlathead County

How does Glacier Park International Airport compare with other water systems in Flathead County?

By EPA's size categories, Glacier Park International Airport is a small system (501 to 3,300 people). Flathead County has 327 active public water systems. Its population served is about 8.3 times the county average of 324 people per system, and accounts for 2.5% of the 105,781 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 Glacier Park International Airport is about 6.2 times 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 Glacier Park International Airport?

EPA lists Glacier Park International Airport 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. 263 of the 327 active systems in Flathead County (80%) are also privately owned.

Does Glacier Park International Airport have drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in February 2012. The violations listed here began between November 1993 and February 2012. By type: 10 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 10 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
2012-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2002-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2002-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2000-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1993-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1993-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 10 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.

Glacier Park International Airport: frequently asked questions

Who runs Glacier Park International Airport?

Glacier Park International Airport (PWSID MT0000929) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Glacier Park International Airport serve?

Glacier Park International Airport reports serving 2,680 people through 1 service connection in Flathead County, Montana.

Where does Glacier Park International Airport 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 Glacier Park International Airport have any drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in February 2012. 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 Glacier Park International Airport'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 10 violations for this system; none is health-based, and the most recent began in February 2012. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Glacier Park International Airport's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Glacier Park International Airport 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 Flathead County

Water systemCountyPopulation servedTypeSource
Kalispell Public WorksFlathead25,000CommunityGroundwater
Whitefish City ofFlathead10,418CommunitySurface water
Flathead County Water and SewerFlathead7,775CommunityGroundwater
Bigfork County Water and SewerFlathead6,100CommunityGroundwater
Columbia Falls City ofFlathead4,450CommunityGroundwater
Ridge RunFlathead3,500Transient 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, “Glacier Park International Airport, PWSID MT0000929, Montana”, https://aquacensus.com/water-systems/montana/glacier-park-international-airport-mt0000929 (data as of October 1, 2026).