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Public water system · WA5351847

Active

Marshall Lake Resort

At a glance

Marshall Lake Resort (PWSID WA5351847) is an active transient non-community water system in Pend Oreille County, Washington. It reports serving 31 people through 54 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in November 2005.

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

Population served

31

Service connections

54

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5351847
System typeTransient non-community water system
Activity statusActive
Population served31
Service connections54
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyPend Oreille County

How does Marshall Lake Resort compare with other water systems in Pend Oreille County?

By EPA's size categories, Marshall Lake Resort is a very small system (500 people or fewer). Pend Oreille County has 44 active public water systems. Its population served is well below the county average of 259 people per system, and accounts for 0.3% of the 11,407 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Marshall Lake Resort 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. Washington has 1,913 active transient non-community water systems, 41% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Marshall Lake Resort?

EPA lists Marshall Lake Resort as privately owned. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 20 of the 44 active systems in Pend Oreille County (45%) are also privately owned.

Does Marshall Lake Resort have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in November 2005. The violations listed here began between August 1992 and November 2005. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2005-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1999-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1999-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1992-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 4 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.

Marshall Lake Resort: frequently asked questions

Who runs Marshall Lake Resort?

Marshall Lake Resort (PWSID WA5351847) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Marshall Lake Resort serve?

Marshall Lake Resort reports serving 31 people through 54 service connections in Pend Oreille County, Washington.

Where does Marshall Lake Resort 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 Marshall Lake Resort have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in November 2005. 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 Marshall Lake Resort'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 4 violations for this system; none is health-based, and the most recent began in November 2005. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Marshall Lake Resort's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Marshall Lake Resort 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 Pend Oreille County

Water systemCountyPopulation servedTypeSource
Newport City ofPend Oreille3,331CommunityGroundwater
Ione Water DeptPend Oreille2,395CommunityGroundwater
Diamond Lake Water & Sewer DistrictPend Oreille1,299CommunityGroundwater
Cusick Town ofPend Oreille672CommunitySurface water
Metaline Falls Town ofPend Oreille593CommunitySurface water
Sullivan Lake ComplexPend Oreille251Transient 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, “Marshall Lake Resort, PWSID WA5351847, Washington”, https://aquacensus.com/water-systems/washington/marshall-lake-resort-wa5351847 (data as of October 1, 2026).