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Public water system · WA5304491

Active

Last Resort

Transient non-community water system in Columbia County, Washington, drawing primarily on groundwater.

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

Population served

22

Service connections

40

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5304491
System typeTransient non-community water system
Activity statusActive
Population served22
Service connections40
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyColumbia County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1999-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1998-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1995-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 5 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.

Last Resort: frequently asked questions

Is Last Resort's water safe to drink?

Last Resort is an active transient non-community water system regulated under the Safe Drinking Water Act, overseen by the WA state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Last Resort?

Last Resort (PWSID WA5304491) is a private-owned transient non-community water system, regulated by the WA state drinking water program.

How many people does Last Resort serve?

Last Resort reports serving 22 people through 40 service connections in Columbia County, Washington.

Where does Last Resort get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Columbia County

Water systemCountyPopulation servedTypeSource
Dayton Water DepartmentColumbia3,374CommunityGroundwater
Bluewood Ski AreaColumbia532Transient non-communityGroundwater
Lewis & Clark Trail State ParkColumbia239Transient non-communityGroundwater
Starbuck City ofColumbia147CommunityGroundwater
Camp Wooten State ParkColumbia131Transient non-communityGroundwater
Alston Country StoreColumbia90Transient non-communityGroundwater

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