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Public water system · MT0004420

Active

Crown Passage Northwest LLC Girls

At a glance

Crown Passage Northwest LLC Girls (PWSID MT0004420) is an active transient non-community water system in Sanders County, Montana. It reports serving 43 people through 4 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 September 2022.

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

Population served

43

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0004420
System typeTransient non-community water system
Activity statusActive
Population served43
Service connections4
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedHeron
StateMontana
ZIP—
CountySanders County

How does Crown Passage Northwest LLC Girls compare with other water systems in Sanders County?

By EPA's size categories, Crown Passage Northwest LLC Girls is a very small system (500 people or fewer). Sanders County has 44 active public water systems. Its population served is well below the county average of 209 people per system, and accounts for 0.5% of the 9,212 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 Crown Passage Northwest LLC Girls 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 Crown Passage Northwest LLC Girls?

EPA lists Crown Passage Northwest LLC Girls 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. 35 of the 44 active systems in Sanders County (80%) are also privately owned.

Does Crown Passage Northwest LLC Girls have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2022. The violations listed here began between January 2021 and September 2022. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (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
2022-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-04-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Methoxychlorcode 2015NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Lindane (gamma-BHC)code 2010NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlor epoxidecode 2067NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Chlordanecode 2959NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoResolved

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.

Crown Passage Northwest LLC Girls: frequently asked questions

Who runs Crown Passage Northwest LLC Girls?

Crown Passage Northwest LLC Girls (PWSID MT0004420) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Crown Passage Northwest LLC Girls serve?

Crown Passage Northwest LLC Girls reports serving 43 people through 4 service connections in Sanders County, Montana.

Where does Crown Passage Northwest LLC Girls 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 Crown Passage Northwest LLC Girls 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 September 2022. 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 Crown Passage Northwest LLC Girls' 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 September 2022. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Crown Passage Northwest LLC Girls' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Crown Passage Northwest LLC Girls 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 Sanders County

Water systemCountyPopulation servedTypeSource
Thompson Falls City ofSanders1,950CommunityGroundwater
Plains Town ofSanders1,700CommunityGroundwater
Hot Springs Municipal WaterSanders600CommunityGroundwater
One StopSanders500Transient non-communityGroundwater
Sanders County Harvest FoodsSanders445Non-transient non-communityGroundwater
Water Service Inc. Trout CreekSanders350CommunityGroundwater

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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, “Crown Passage Northwest LLC Girls, PWSID MT0004420, Montana”, https://aquacensus.com/water-systems/montana/crown-passage-northwest-llc-girls-mt0004420 (data as of October 1, 2026).