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AquaCensus

Public water system · WA5352000

Active

Mattawa City of

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

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

Population served

5,370

Service connections

1,026

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5352000
System typeCommunity water system
Activity statusActive
Population served5,370
Service connections1,026
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served
StateWashington
ZIP

Violations & enforcement

BeganViolationContaminantHealth-basedStatus
2024-06-011A8000YesResolved
2014-01-01031020NoResolved
2014-01-01031045NoResolved
2014-01-01031036NoResolved
2014-01-01031005NoResolved
2014-01-01031010NoResolved
2014-01-01031085NoResolved
2014-01-01031075NoResolved
2014-01-01031041NoResolved
2014-01-01031035NoResolved
2014-01-01031040NoResolved
2011-07-01717000NoResolved

Mattawa City of: frequently asked questions

Is Mattawa City of's water safe to drink?

Mattawa City of 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 Mattawa City of?

Mattawa City of (PWSID WA5352000) is a local government-owned community water system, regulated by the WA state drinking water program.

How many people does Mattawa City of serve?

Mattawa City of reports serving 5,370 people through 1,026 service connections in Grant County, Washington.

Where does Mattawa City of get its water?

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

Other water systems in Grant County

Water systemCountyPopulation servedTypeSource
Moses Lake City ofGrant32,428CommunityGroundwater
Marion City Water WorksGrant28,363CommunityGroundwater
Gorge AmphitheatreGrant25,119Transient non-communityGroundwater
Bullock Pen Water DistrictGrant20,048CommunitySurface water
Sardis Water AssociationGrant15,660CommunityPurchased surface water
Silver City Water SystemGrant14,400CommunityGroundwater