Washington water providers — page 4

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.

• City of BridgeportWA5308350 · CWS · Population served: 2,214
• North Spokane Irrigation District 8WA5361300 · CWS · Population served: 2,214
• Cle Elum Water DepartmentWA5313500 · CWS · Population served: 2,213
• Shelter Bay Community IncWA5378155 · CWS · Population served: 2,212
• Hutchinson Irrigation Dist #16WA5335100 · CWS · Population served: 2,209
• Three Lakes Water AssociationWA5388150 · CWS · Population served: 2,198
• Sumas Water DeptWA5384870 · CWS · Population served: 2,157
• Alderbrook Water CoWA5301050 · CWS · Population served: 2,154
• City of MabtonWA5349650 · CWS · Population served: 2,150
• Lake Limerick WaterWA5344150 · CWS · Population served: 2,148
• City of MortonWA5356250 · CWS · Population served: 2,147
• Lakeland Village WaterWA5345090 · CWS · Population served: 2,120
• SunnyslopeWA5385550 · CWS · Population served: 2,112
• City of RoslynWA5374400 · CWS · Population served: 2,099
• Sandy Point Improvement CoWA5376105 · CWS · Population served: 2,098
• Roche Harbor Water System IncWA5373230 · CWS · Population served: 2,091
• MirrormontWA5355250 · CWS · Population served: 2,083
• NaselleWA5358350 · CWS · Population served: 2,073
• View Royal Water SystemWA5328494 · CWS · Population served: 2,069
• Heights WaterWA5332300 · CWS · Population served: 2,051
• Nisqually Pines Community ClubWA5359591 · CWS · Population served: 2,037
• Deer Creek Water Assoc.WA5318418 · CWS · Population served: 2,000
• Lewis Co Water Dist #2WA5347001 · CWS · Population served: 1,983
• Clinton Water DistrictWA5313900 · CWS · Population served: 1,980
• Skagit Co Water District #1WA5300392 · CWS · Population served: 1,974
• Pole Road Water AssociationWA5368350 · CWS · Population served: 1,960
• Toledo MunicipalWA5388660 · CWS · Population served: 1,944
• City of MillwoodWA5354850 · CWS · Population served: 1,925
• Palmer LakeWA5365745 · CWS · Population served: 1,924
• Summit View Water SystemWA5303303 · CWS · Population served: 1,869
• Wilderness Rim AssociationWA5396878 · CWS · Population served: 1,867
• HoodsportWA5334100 · CWS · Population served: 1,853
• Rocky Point Water District 12WA5302052 · CWS · Population served: 1,831
• La Conner Water DeptWA5343350 · CWS · Population served: 1,821
• City of WaitsburgWA5392250 · CWS · Population served: 1,817
• Cosmopolis Water DepartmentWA5315050 · CWS · Population served: 1,812
• City of Electric CityWA5322850 · CWS · Population served: 1,812
• Canterwood Water SystemWA5305859 · CWS · Population served: 1,805
• Moab Irrigation Dist #20WA5355440 · CWS · Population served: 1,790
• Glenhaven Lakes ClubWA5328050 · CWS · Population served: 1,780
• RochesterWA5373300 · CWS · Population served: 1,762
• Bingen Water DeptWA5306900 · CWS · Population served: 1,758
• Davenport Water DivisionWA5318100 · CWS · Population served: 1,750
• Basin City Water Sewer DistrictWA5304461 · CWS · Population served: 1,740
• City of EntiatWA5323500 · CWS · Population served: 1,730
• Ritzville Water DepartmentWA5372700 · CWS · Population served: 1,725
• Clallam Bay SekiuWA5313200 · CWS · Population served: 1,719
• Indianola WaterWA5335650 · CWS · Population served: 1,705
• Evergreen Clallam County Pud 1WA5324181 · CWS · Population served: 1,694
• City of RepublicWA5371900 · CWS · Population served: 1,673
• Cathlamet Water DeptWA5311850 · CWS · Population served: 1,636
• Scott LakeWA5376787 · CWS · Population served: 1,604
• River Bend HOAWA5372750 · CWS · Population served: 1,603
• Carnhope Irrigation District 7WA5311250 · CWS · Population served: 1,602
• Taholah105300018 · CWS · Population served: 1,600
• Consolidated Irrigation Dist 14WA5314650 · CWS · Population served: 1,555
• City of Mossyrock Public UtilityWA5356350 · CWS · Population served: 1,553
• Naval Base Kitsap At KeyportWA5390520 · CWS · Population served: 1,540
• Lake MinterwoodWA5355210 · CWS · Population served: 1,539
• Port Gamble Sklallam105300015 · CWS · Population served: 1,509
• Tapps Island Water SystemWA5387181 · CWS · Population served: 1,501
• Port Susan Camp Club #1105300090 · CWS · Population served: 1,500
• Squaxin Consolidated105300146 · CWS · Population served: 1,500
• Blanchard Edison Water Assn. Inc.WA5307450 · CWS · Population served: 1,480
• Sunland Estates Homeowners AssnWA5385240 · CWS · Population served: 1,480
• City of Tieton Water DeptWA5388300 · CWS · Population served: 1,475
• Hogans CornerWA53AA554 · CWS · Population served: 1,458
• Coulee Dam Water DeptWA5315400 · CWS · Population served: 1,454
• Graham Hill Mutual Water Co IncWA5328650 · CWS · Population served: 1,440
• Point Roberts Water District No 4WA5395750 · CWS · Population served: 1,440
• City of Grand Coulee Water DeptWA5328700 · CWS · Population served: 1,428
• RosarioWA5374270 · CWS · Population served: 1,426
• High Valley Country ClubWA5332700 · CWS · Population served: 1,425
• Town of ReardanWA5371550 · CWS · Population served: 1,418
• City of LangleyWA5345950 · CWS · Population served: 1,416
• Whatcom County Water Dist #7WA5395900 · CWS · Population served: 1,410
• CHELAN CO PUD1 - PeshastinWA5367050 · CWS · Population served: 1,397
• City of PomeroyWA5368400 · CWS · Population served: 1,395
• Lake Josephine RivieraWA5343980 · CWS · Population served: 1,380
• Sno Pud 1 - May CreekWA5352105 · CWS · Population served: 1,374
• Harbor Hills Community Water SystemWA5333860 · CWS · Population served: 1,373
• Pelican Point By Cascadia LLCWA5366800 · CWS · Population served: 1,357
• Whatcom County Water Dist #2WA5395700 · CWS · Population served: 1,353
• Town of WinthropWA5397750 · CWS · Population served: 1,350
• Carlsborg Lud 10 12 13 14WA5300307 · CWS · Population served: 1,349
• Nooksack Valley Water AssociationWA5359850 · CWS · Population served: 1,343
• Evergreen ShoresWA5324163 · CWS · Population served: 1,329
• City of OakvilleWA5362750 · CWS · Population served: 1,325
• Shorecrest Estates Water CoWA5378620 · CWS · Population served: 1,321
• Harrah Water SystemWA5331400 · CWS · Population served: 1,304
• Grays Harbor Co Water Dist 1WA5329200 · CWS · Population served: 1,302
• Makah Neah Bay105300012 · CWS · Population served: 1,300
• Diamond Lake Water & Sewer DistrictWA5319207 · CWS · Population served: 1,299
• City of Palouse Water DeptWA5365800 · CWS · Population served: 1,298
• Carlyon Beach HomeownersWA5311159 · CWS · Population served: 1,273
• Walla Walla UniversityWA5392470 · CWS · Population served: 1,273
• Freeland Water And Sewer DistrictWA5326450 · CWS · Population served: 1,264
• Bc Water CoWA53AA373 · CWS · Population served: 1,262
• Lakeview Park Water AssnWA5345350 · CWS · Population served: 1,259
• Concrete UtilitiesWA5303950 · CWS · Population served: 1,234