Oregon water providers
Find published drinking-water records, providers, and official agency resources for Oregon. Review sources, sample dates, and coverage.
Official drinking-water resources
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
2,555 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- Portland Water BureauOR4100657 · CWS · Population served: 666,200
- Tualatin Valley Water DistrictOR4100665 · CWS · Population served: 224,600
- Salem Public WorksOR4100731 · CWS · Population served: 199,820
- Eugene Water & Electric BoardOR4100287 · CWS · Population served: 176,000
- Medford Water CommissionOR4100513 · CWS · Population served: 106,068
- City of HillsboroOR4101513 · CWS · Population served: 92,632
- City of BeavertonOR4100081 · CWS · Population served: 88,045
- City of BendOR4100100 · CWS · Population served: 77,704
- City of GreshamOR4100357 · CWS · Population served: 73,932
- Rockwood PudOR4100668 · CWS · Population served: 65,443
- City of TigardOR4100878 · CWS · Population served: 62,500
- Springfield Utility BoardOR4100837 · CWS · Population served: 62,100
- City of CorvallisOR4100225 · CWS · Population served: 61,468
- City of AlbanyOR4100012 · CWS · Population served: 57,997
- Sunrise Water AuthorityOR4100635 · CWS · Population served: 50,003
- Klamath Falls Water DeptOR4100443 · CWS · Population served: 40,475
- Lake Oswego Municipal WaterOR4100457 · CWS · Population served: 40,000
- City of KeizerOR4100744 · CWS · Population served: 38,585
- Redmond Water DepartmentOR4100693 · CWS · Population served: 37,566
- City of Grants PassOR4100342 · CWS · Population served: 37,138
- Avion Wc - Greater AvionOR4100091 · CWS · Population served: 35,332
- Mcminnville Water & LightOR4100497 · CWS · Population served: 34,515
- Coos Bay North Bend Wtr BrdOR4100205 · CWS · Population served: 34,500
- Oregon CityOR4101511 · CWS · Population served: 33,940
- Oak Lodge Water ServicesOR4101512 · CWS · Population served: 30,000
- Clackamas River WaterOR4100187 · CWS · Population served: 29,918
- City of WoodburnOR4100959 · CWS · Population served: 29,455
- City of RoseburgOR4100720 · CWS · Population served: 28,800
- City of TualatinOR4100906 · CWS · Population served: 28,106
- City of West LinnOR4100944 · CWS · Population served: 28,000
- City of Forest GroveOR4100305 · CWS · Population served: 26,838
- City of WilsonvilleOR4100954 · CWS · Population served: 25,915
- City of NewbergOR4100557 · CWS · Population served: 25,138
- Ashland Water DepartmentOR4100047 · CWS · Population served: 20,946
- City of MilwaukieOR4100528 · CWS · Population served: 20,946
- City of Lincoln CityOR4100483 · CWS · Population served: 20,830
- City of HermistonOR4100372 · CWS · Population served: 20,000
- Clackamas River Water - ClairmontOR4100594 · CWS · Population served: 19,928
- City of SherwoodOR4100816 · CWS · Population served: 19,885
- City of Central PointOR4100178 · CWS · Population served: 19,785
- City of LebanonOR4100473 · CWS · Population served: 18,945
- Canby UtilityOR4100157 · CWS · Population served: 18,754
- City of DallasOR4100248 · CWS · Population served: 17,911
- City of PendletonOR4100613 · CWS · Population served: 16,996
- City of TroutdaleOR4100901 · CWS · Population served: 16,185
- City of CorneliusOR4100218 · CWS · Population served: 14,490
- City of OntarioOR4100587 · CWS · Population served: 14,465
- Suburban East Salem WdOR4100768 · CWS · Population served: 13,900
- City of La GrandeOR4100453 · CWS · Population served: 13,460
- City of St HelensOR4100724 · CWS · Population served: 13,410
- City of The DallesOR4100869 · CWS · Population served: 13,010
- City of SandyOR4100789 · CWS · Population served: 12,991
- City of GladstoneOR4100321 · CWS · Population served: 12,121
- Deschutes Valley Water DistOR4100501 · CWS · Population served: 11,700
- City of MonmouthOR4100537 · CWS · Population served: 11,651
- City of PrinevilleOR4100682 · CWS · Population served: 11,000
- West Slope Water DistrictOR4100660 · CWS · Population served: 11,000
- City of Cottage GroveOR4100236 · CWS · Population served: 10,879
- City of SilvertonOR4100823 · CWS · Population served: 10,484
- City of NewportOR4100566 · CWS · Population served: 10,439
- Baker CityOR4100073 · CWS · Population served: 10,349
- City of Sweet HomeOR4100851 · CWS · Population served: 10,322
- Independence Water SystemOR4100399 · CWS · Population served: 10,300
- City of MolallaOR4100534 · CWS · Population served: 10,298
- City of AstoriaOR4100055 · CWS · Population served: 10,181
- City of FairviewOR4100296 · CWS · Population served: 9,963
- City of FlorenceOR4100299 · CWS · Population served: 9,561
- City of Eagle PointOR4100267 · CWS · Population served: 9,554
- Umpqua Basin Water AssocOR4100719 · CWS · Population served: 9,499
- City of WarrentonOR4100932 · CWS · Population served: 9,100
- City of ScappooseOR4100792 · CWS · Population served: 8,710
- City of Hood RiverOR4100385 · CWS · Population served: 8,577
- City of StaytonOR4100843 · CWS · Population served: 8,400
- Winston-Dillard Water DistrictOR4100957 · CWS · Population served: 8,300
- City of UmatillaOR4100914 · CWS · Population served: 8,256
- City of SutherlinOR4100847 · CWS · Population served: 8,060
- Seaside Water DepartmentOR4100799 · CWS · Population served: 7,482
- City of Milton-FreewaterOR4100522 · CWS · Population served: 7,145
- City of BrookingsOR4100149 · CWS · Population served: 7,120
- Green Area Water & Sanitary AuthorityOR4100717 · CWS · Population served: 7,000
- Junction City Water UtilitiesOR4100418 · CWS · Population served: 7,000
- City of SheridanOR4100811 · CWS · Population served: 6,494
- Roats Water SystemOR4100113 · CWS · Population served: 6,469
- Rainbow Water DistrictOR4100839 · CWS · Population served: 6,300
- City of TalentOR4100857 · CWS · Population served: 6,293
- Ice Fountain Water DistrictOR4100387 · CWS · Population served: 6,000
- Seal Rock Water DistrictOR4100798 · CWS · Population served: 6,000
- Crystal Springs Water DistrictOR4100386 · CWS · Population served: 5,973
- City of PhoenixOR4100625 · CWS · Population served: 5,900
- City of EstacadaOR4100279 · CWS · Population served: 5,750
- City of BoardmanOR4100130 · CWS · Population served: 5,749
- Kernville-Gleneden-Linc Bch WdOR4100324 · CWS · Population served: 5,609
- City of CreswellOR4100246 · CWS · Population served: 5,585
- City of Tillamook Water DeptOR4100893 · CWS · Population served: 5,265
- City of VenetaOR4100920 · CWS · Population served: 5,200
- Heceta Water Peoples Utility DistrictOR4100301 · CWS · Population served: 4,921
- City of ReedsportOR4100699 · CWS · Population served: 4,836
- Philomath Public WorksOR4100624 · CWS · Population served: 4,670
- Chenowith PudOR4100867 · CWS · Population served: 4,500
- Raleigh Water DistrictOR4100667 · CWS · Population served: 4,500