Washington water providers — page 3

Find published drinking-water records, providers, and official agency resources for Washington. Review sources, sample dates, and coverage.

Official drinking-water resources

• Washington State Department of Health - Office of Drinking Water
• Washington Division of Environmental Health Office of Drinking Water Sentry Internet Database

The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.

Community systems appear first. Sort: Population served · A–Z

Public water systems

4,691 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.

• South BainbridgeWA5381451 · CWS · Population served: 4,414
• Castle Rock Municipal WaterWA5311800 · CWS · Population served: 4,367
• Orchard Avenue Irrigation Dist 6WA5364000 · CWS · Population served: 4,330
• City of GoldendaleWA5328450 · CWS · Population served: 4,314
• East Spokane Water Dist 1WA5321650 · CWS · Population served: 4,285
• Trentwood Irrigation District 3WA5389250 · CWS · Population served: 4,228
• SuquamishWA5386400 · CWS · Population served: 4,203
• Crystal Mountain IncWA5316400 · CWS · Population served: 4,154
• Irvin Water District #6WA5336050 · CWS · Population served: 4,150
• Town of CoupevilleWA5315550 · CWS · Population served: 4,142
• City of White SalmonWA5396350 · CWS · Population served: 4,077
• Granger Water DepartmentWA5329000 · CWS · Population served: 3,993
• Eatonville Water DeptWA5322300 · CWS · Population served: 3,945
• City of EversonWA5324200 · CWS · Population served: 3,893
• City of BrewsterWA5308300 · CWS · Population served: 3,843
• City of Okanogan Water DepartmentWA5363200 · CWS · Population served: 3,817
• King County Water District 119WA5341985 · CWS · Population served: 3,800
• Spo Co Water Dist 3 Sys 3WA5393353 · CWS · Population served: 3,768
• Grand MoundWA5307158 · CWS · Population served: 3,764
• Parkview TerraceWA5366215 · CWS · Population served: 3,730
• Eastsound Water Users AssociationWA5322170 · CWS · Population served: 3,711
• Lummi Tribal Water District105300002 · CWS · Population served: 3,699
• Lake Cushman System 5WA5303529 · CWS · Population served: 3,675
• Town of Friday HarborWA5326595 · CWS · Population served: 3,543
• Roosevelt Water AssociationWA5374150 · CWS · Population served: 3,530
• City of ZillahWA5399800 · CWS · Population served: 3,518
• Town of NachesWA5358100 · CWS · Population served: 3,512
• City of Colfax Water DepartmentWA5314000 · CWS · Population served: 3,507
• City of WinlockWA5397500 · CWS · Population served: 3,502
• Forks Municipal Water DeptWA5326000 · CWS · Population served: 3,468
• Horizons WestWA5334375 · CWS · Population served: 3,454
• Royal City WaterWA5374700 · CWS · Population served: 3,389
• Dayton Water DepartmentWA5318250 · CWS · Population served: 3,374
• City of TeninoWA5387400 · CWS · Population served: 3,336
• City of NewportWA5359350 · CWS · Population served: 3,331
• Algona Water DeptWA5301450 · CWS · Population served: 3,300
• City of OrovilleWA5364400 · CWS · Population served: 3,256
• Fox Island Mutual Water AssocWA5326300 · CWS · Population served: 3,255
• Muckleshoot105300013 · CWS · Population served: 3,250
• City of Rock Island Water DeptWA5373401 · CWS · Population served: 3,226
• Ames Lake Water Assoc IncWA5302055 · CWS · Population served: 3,224
• Toutle Community Regional WaterWA5388905 · CWS · Population served: 3,215
• Nisqually-Leschi & West Nisqually105300014 · CWS · Population served: 3,200
• StrohsWA5384670 · CWS · Population served: 3,192
• Lake Forest Park Water DistrictWA5340950 · CWS · Population served: 3,171
• Highland Water DistrictWA5332850 · CWS · Population served: 3,121
• Meadows 690WA5387784 · CWS · Population served: 3,100
• City of NapavineWA5358200 · CWS · Population served: 3,095
• Olympic Water & Sewer IncWA5368700 · CWS · Population served: 3,086
• Snake River Housing Water SystemWA5300710 · CWS · Population served: 3,036
• YacoltWA5399000 · CWS · Population served: 3,034
• Dry Creek Water AssociationWA5320050 · CWS · Population served: 3,030
• CarsonWA5311340 · CWS · Population served: 3,015
• Fall City Water Dist. #127WA5324550 · CWS · Population served: 2,987
• Sno Pud 1 - Warm BeachWA5393000 · CWS · Population served: 2,977
• ClearwoodWA5313615 · CWS · Population served: 2,956
• Cedar CrestWA5311887 · CWS · Population served: 2,954
• South Bend Water DepartmentWA5381500 · CWS · Population served: 2,930
• Erland Point Water CoWA5323850 · CWS · Population served: 2,909
• Stevens Co Pud - Deer LakeWA5393380 · CWS · Population served: 2,884
• Western State HospitalWA5395150 · CWS · Population served: 2,857
• Desert Aire Owner AssnWA5319056 · CWS · Population served: 2,856
• Mccormick WoodsWA5340529 · CWS · Population served: 2,760
• West Sequim Bay IncWA5354192 · CWS · Population served: 2,759
• Rainier Water DepartmentWA5370980 · CWS · Population served: 2,758
• City of Ilwaco Water DepartmentWA5335500 · CWS · Population served: 2,757
• City of McclearyWA5352250 · CWS · Population served: 2,753
• City of Gold BarWA5328300 · CWS · Population served: 2,745
• Kettle Falls Water DeptWA5338400 · CWS · Population served: 2,698
• Surfside HomeownersWA5386470 · CWS · Population served: 2,687
• Olympic MallWA5363479 · CWS · Population served: 2,681
• Columbia Valley Water DistrictWA5366110 · CWS · Population served: 2,648
• Suncadia ResortWA53AA317 · CWS · Population served: 2,640
• Chewelah Water Dept SouthWA5312750 · CWS · Population served: 2,615
• Camano Water AssociationWA5310750 · CWS · Population served: 2,592
• Asotin Water DeptWA5303250 · CWS · Population served: 2,531
• Stevens Co Pud - Loon LakeWA5348250 · CWS · Population served: 2,487
• Malaga Water DistrictWA5350500 · CWS · Population served: 2,478
• Chelan Co Pud - Chelan RidgeWA5300631 · CWS · Population served: 2,429
• Nooksack Water DeptWA5359800 · CWS · Population served: 2,427
• Willapa Valley Water DistrictWA5397100 · CWS · Population served: 2,425
• City of Carnation Water SystemWA5311200 · CWS · Population served: 2,400
• Cherokee Bay Community Club IncWA5311626 · CWS · Population served: 2,400
• Soap Lake Water DeptWA5381300 · CWS · Population served: 2,399
• Tonasket Water SystemWA5388700 · CWS · Population served: 2,398
• Ione Water DeptWA5335900 · CWS · Population served: 2,395
• Boistfort ValleyWA5307610 · CWS · Population served: 2,389
• Glacier Water DistrictWA5395915 · CWS · Population served: 2,383
• Pacific Beach/MoclipsWA5300333 · CWS · Population served: 2,372
• Crescent Water AssnWA5316020 · CWS · Population served: 2,360
• Timberlake Community Club IncWA5388370 · CWS · Population served: 2,337
• Badger Mountain Irrigation DistrictWA5322617 · CWS · Population served: 2,331
• Jackson Park Naval HospitalWA5305345 · CWS · Population served: 2,277
• Valley Water SystemWA5301250 · CWS · Population served: 2,259
• Alpine Water DistrictWA5325315 · CWS · Population served: 2,255
• West KitsapWA5308367 · CWS · Population served: 2,248
• City of KittitasWA5342650 · CWS · Population served: 2,247
• Town of DarringtonWA5317950 · CWS · Population served: 2,246
• Sunland Water DistrictWA5385260 · CWS · Population served: 2,235
• Washington Corrections CenterWA5393063 · CWS · Population served: 2,223