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AquaCensus

Public water system · WA5348100

Active

Longview Water Department

Community water system in Cowlitz County, Washington, drawing primarily on groundwater.

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

Population served

49,111

Service connections

14,578

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5348100
System typeCommunity water system
Activity statusActive
Population served49,111
Service connections14,578
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served
StateWashington
ZIP

Violations & enforcement

BeganViolationContaminantHealth-basedStatus
2025-07-01717000NoResolved
2022-07-01717000NoResolved
2022-01-01272950NoResolved
2021-07-01717000NoResolved
2016-07-01717000NoResolved
1979-10-01031010NoArchived
1979-10-01031020NoArchived
1979-10-01031035NoArchived
1979-10-01031025NoArchived
1979-10-01031045NoArchived
1979-10-01031005NoArchived
1979-10-01031040NoArchived

Longview Water Department: frequently asked questions

Is Longview Water Department's water safe to drink?

Longview Water Department is an active community water system regulated under the Safe Drinking Water Act, overseen by the WA state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Longview Water Department?

Longview Water Department (PWSID WA5348100) is a local government-owned community water system, regulated by the WA state drinking water program.

How many people does Longview Water Department serve?

Longview Water Department reports serving 49,111 people through 14,578 service connections in Cowlitz County, Washington.

Where does Longview Water Department get its water?

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

Other water systems in Cowlitz County

Water systemCountyPopulation servedTypeSource
Kelso City ofCowlitz15,775CommunityGroundwater under influence of surface water
Beacon Hill Water & Sewer DistrictCowlitz11,969CommunityPurchased groundwater
Woodland City ofCowlitz10,640CommunityGroundwater under influence of surface water
Kalama City ofCowlitz8,020CommunityGroundwater under influence of surface water
Castle Rock Municipal WaterCowlitz4,367CommunitySurface water
Toutle River Rest Area Nb/SbCowlitz3,590Transient non-communityGroundwater