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Public water system · WA5349150

Active

Lynden Water Department

Community water system in Whatcom County, Washington, drawing primarily on surface water.

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

Population served

20,062

Service connections

6,847

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDWA5349150
System typeCommunity water system
Activity statusActive
Population served20,062
Service connections6,847
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyWhatcom County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2023-12-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2009-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2009-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2009-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2008-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2008-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2007-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived

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.

Lynden Water Department: frequently asked questions

Is Lynden Water Department's water safe to drink?

Lynden Water Department is an active 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 Lynden Water Department?

Lynden Water Department (PWSID WA5349150) is a local government-owned community water system, regulated by the WA state drinking water program.

How many people does Lynden Water Department serve?

Lynden Water Department reports serving 20,062 people through 6,847 service connections in Whatcom County, Washington.

Where does Lynden Water Department get its water?

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

Other water systems in Whatcom County

Water systemCountyPopulation servedTypeSource
Bellingham-Water Division City ofWhatcom141,127CommunitySurface water
FerndaleWhatcom19,305CommunityGroundwater
Lwwsd - South Shore Water SystemWhatcom10,028CommunitySurface water
Birch Bay Water & Sewer DistrictWhatcom9,046CommunityPurchased groundwater
Blaine City ofWhatcom6,319CommunityGroundwater
Everson City ofWhatcom3,893CommunityGroundwater

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