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AquaCensus

Public water system · 105300048

Active

Upper Skagit

Community water system in Washington, drawing primarily on groundwater.

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

Population served

365

Service connections

98

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID105300048
System typeCommunity water system
Activity statusActive
Population served365
Service connections98
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 10
City servedSedro Wooley
StateWashington
ZIP—
County—

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2025-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2024-07-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2023-10-31Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2018-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2018-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2017-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2016-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-11-14ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2016-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved

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.

Upper Skagit: frequently asked questions

Is Upper Skagit's water safe to drink?

Upper Skagit is an active community water system regulated under the Safe Drinking Water Act, overseen by the EPA Region 10. EPA's SDWA data records violations for this system — the most recent are listed on this page; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Upper Skagit?

Upper Skagit (PWSID 105300048) is a native american-owned community water system, regulated by the EPA Region 10.

How many people does Upper Skagit serve?

Upper Skagit reports serving 365 people through 98 service connections in Washington.

Where does Upper Skagit get its water?

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

Other water systems in Washington

Water systemCountyPopulation servedTypeSource
Seattle Public UtilitiesKing1,161,961CommunitySurface water
Tacoma Water Division City ofPierce446,170CommunitySurface water
Vancouver City ofClark373,047CommunityGroundwater
Spokane City ofSpokane346,138CommunityGroundwater
Bellevue City ofKing321,349CommunityPurchased surface water
Alderwood Water DistrictSnohomish245,715CommunityPurchased surface water

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