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AquaCensus

Public water system · MT0000443

Active

Bitterroot Gateway Mb Pk Lolo

At a glance

Bitterroot Gateway Mb Pk Lolo (PWSID MT0000443) is an active community water system in Missoula County, Montana. It reports serving 130 people through 53 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 October 2024.

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

Population served

130

Service connections

53

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0000443
System typeCommunity water system
Activity statusActive
Population served130
Service connections53
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedLolo
StateMontana
ZIP—
CountyMissoula County

How does Bitterroot Gateway Mb Pk Lolo compare with other water systems in Missoula County?

By EPA's size categories, Bitterroot Gateway Mb Pk Lolo 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 less than 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 Bitterroot Gateway Mb Pk Lolo 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 Bitterroot Gateway Mb Pk Lolo?

EPA lists Bitterroot Gateway Mb Pk Lolo 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 Bitterroot Gateway Mb Pk Lolo have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2023 and October 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Nickel (2 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
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved

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.

Bitterroot Gateway Mb Pk Lolo: frequently asked questions

Who runs Bitterroot Gateway Mb Pk Lolo?

Bitterroot Gateway Mb Pk Lolo (PWSID MT0000443) is a community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Bitterroot Gateway Mb Pk Lolo serve?

Bitterroot Gateway Mb Pk Lolo reports serving 130 people through 53 service connections in Missoula County, Montana.

Where does Bitterroot Gateway Mb Pk Lolo 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 Bitterroot Gateway Mb Pk Lolo 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 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 Bitterroot Gateway Mb Pk Lolo'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 October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Bitterroot Gateway Mb Pk Lolo's water quality report?

As a community water system, Bitterroot Gateway Mb Pk Lolo 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, “Bitterroot Gateway Mb Pk Lolo, PWSID MT0000443, Montana”, https://aquacensus.com/water-systems/montana/bitterroot-gateway-mb-pk-lolo-mt0000443 (data as of October 1, 2026).