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AquaCensus

Public water system · MT0000646

Active

Mobile City Trailer Court

At a glance

Mobile City Trailer Court (PWSID MT0000646) is an active community water system in Missoula County, Montana. It reports serving 175 people through 70 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, none is health-based, and the most recent began in January 2008.

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

Population served

175

Service connections

70

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0000646
System typeCommunity water system
Activity statusActive
Population served175
Service connections70
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedMissoula
StateMontana
ZIP—
CountyMissoula County

How does Mobile City Trailer Court compare with other water systems in Missoula County?

By EPA's size categories, Mobile City Trailer Court is a very small system (500 people or fewer). Missoula County has 244 active public water systems. Its population served is well below the county average of 576 people per system, and accounts for 0.1% of the 140,505 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Mobile City Trailer Court is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Montana has 853 active community water systems, 36% 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 Mobile City Trailer Court?

EPA lists Mobile City Trailer Court 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. 201 of the 244 active systems in Missoula County (82%) are also privately owned.

Does Mobile City Trailer Court 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 2008. The violations listed here began between January 2008 and January 2008. By type: 12 monitoring and reporting. The contaminants or rules involved are Benzene, Vinyl chloride, cis-1,2-Dichloroethylene and 1,2,4-Trichlorobenzene. 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
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved

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.

Mobile City Trailer Court: frequently asked questions

Who runs Mobile City Trailer Court?

Mobile City Trailer Court (PWSID MT0000646) is a community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Mobile City Trailer Court serve?

Mobile City Trailer Court reports serving 175 people through 70 service connections in Missoula County, Montana.

Where does Mobile City Trailer Court 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 Mobile City Trailer Court 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 2008. 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 Mobile City Trailer Court'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, none is health-based, and the most recent began in January 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Mobile City Trailer Court's water quality report?

As a community water system, Mobile City Trailer Court must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Missoula County

Water systemCountyPopulation servedTypeSource
Missoula WaterMissoula68,200CommunityGroundwater
University of MontanaMissoula15,000Non-transient non-communityPurchased groundwater
Lolo Water and Sewer DistMissoula3,315CommunityGroundwater
Town Pump Bonner 1Missoula2,460Non-transient non-communityGroundwater
Clearwater Junction Rest AreaMissoula2,002Transient non-communityGroundwater
Seeley Lake Water DistrictMissoula1,575CommunitySurface water

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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, “Mobile City Trailer Court, PWSID MT0000646, Montana”, https://aquacensus.com/water-systems/montana/mobile-city-trailer-court-mt0000646 (data as of October 1, 2026).