STATE / TERRITORY LEDGER
Oregon drinking water system records
EPA compliance fields for active community water systems reporting at least 2,500 people served.
Systems146active CWS · pop. 2,500+
Population served3,504,644reported total; may overlap
Current violation flag8.2%12 systems
Serious-violator flag1.4%2 systems
01 / LARGEST SYSTEMS
Community water systems in Oregon
Population served is a system-reported service figure. It is not a count of unique state residents.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Portland Water BureauOR4100657 | 666,200 | Surface water | Current health-based flag |
| Tualatin Valley Water DistrictOR4100665 | 224,600 | Surface water purchased | No current violation flagged |
| Salem Public WorksOR4100731 | 199,820 | Surface water | No current violation flagged |
| Eugene Water & Electric BoardOR4100287 | 176,000 | Surface water | No current violation flagged |
| Medford Water CommissionOR4100513 | 106,068 | Surface water | No current violation flagged |
| Hillsboro, City OfOR4101513 | 92,632 | Surface water purchased | No current violation flagged |
| Beaverton, City OfOR4100081 | 88,045 | Surface water purchased | No current violation flagged |
| Bend, City OfOR4100100 | 77,704 | Surface water | No current violation flagged |
| Gresham, City OfOR4100357 | 73,932 | Surface water purchased | No current violation flagged |
| Rockwood PudOR4100668 | 65,443 | Surface water purchased | No current violation flagged |
| Tigard, City OfOR4100878 | 62,500 | Surface water purchased | No current violation flagged |
| Springfield Utility BoardOR4100837 | 62,100 | Surface water | No current violation flagged |
| Corvallis, City OfOR4100225 | 61,468 | Surface water | No current violation flagged |
| Albany, City OfOR4100012 | 57,997 | Surface water | No current violation flagged |
| Sunrise Water AuthorityOR4100635 | 50,003 | Surface water purchased | No current violation flagged |
| Klamath Falls Water DeptOR4100443 | 40,475 | Ground water | No current violation flagged |
| Lake Oswego Municipal WaterOR4100457 | 40,000 | Surface water purchased | No current violation flagged |
| Keizer, City OfOR4100744 | 38,585 | Ground water | No current violation flagged |
| Redmond Water DepartmentOR4100693 | 37,566 | Ground water | No current violation flagged |
| Grants Pass, City OfOR4100342 | 37,138 | Surface water | No current violation flagged |
| Avion Wc - Greater AvionOR4100091 | 35,332 | Ground water | No current violation flagged |
| Mcminnville Water & LightOR4100497 | 34,515 | Surface water | No current violation flagged |
| Coos Bay North Bend Wtr BrdOR4100205 | 34,500 | Surface water | No current violation flagged |
| Oregon CityOR4101511 | 33,940 | Surface water purchased | No current violation flagged |
| Oak Lodge Water ServicesOR4101512 | 30,000 | Surface water purchased | No current violation flagged |
| Clackamas River WaterOR4100187 | 29,918 | Surface water | No current violation flagged |
| Woodburn, City OfOR4100959 | 29,455 | Ground water | Current monitoring/reporting flag |
| Roseburg, City OfOR4100720 | 28,800 | Surface water | No current violation flagged |
| Tualatin, City OfOR4100906 | 28,106 | Surface water purchased | No current violation flagged |
| West Linn, City OfOR4100944 | 28,000 | Surface water purchased | No current violation flagged |
| Forest Grove, City OfOR4100305 | 26,838 | Surface water | No current violation flagged |
| Wilsonville, City OfOR4100954 | 25,915 | Surface water | No current violation flagged |
| Newberg, City OfOR4100557 | 25,138 | Ground water | No current violation flagged |
| Ashland Water DepartmentOR4100047 | 20,946 | Surface water | No current violation flagged |
| Milwaukie, City OfOR4100528 | 20,946 | Ground water | No current violation flagged |
| Lincoln City, City OfOR4100483 | 20,830 | Surface water | No current violation flagged |
| Hermiston, City OfOR4100372 | 20,000 | Surface water | No current violation flagged |
| Clackamas River Water - ClairmontOR4100594 | 19,928 | Surface water purchased | No current violation flagged |
| Sherwood, City OfOR4100816 | 19,885 | Surface water purchased | No current violation flagged |
| Central Point, City OfOR4100178 | 19,785 | Surface water purchased | No current violation flagged |
| Lebanon, City OfOR4100473 | 18,945 | Surface water | No current violation flagged |
| Canby UtilityOR4100157 | 18,754 | Surface water | No current violation flagged |
| Dallas, City OfOR4100248 | 17,911 | Surface water | No current violation flagged |
| Pendleton, City OfOR4100613 | 16,996 | Surface water | No current violation flagged |
| Troutdale, City OfOR4100901 | 16,185 | Ground water | No current violation flagged |
| Cornelius, City OfOR4100218 | 14,490 | Surface water purchased | No current violation flagged |
| Ontario, City OfOR4100587 | 14,465 | Surface water | No current violation flagged |
| Suburban East Salem WdOR4100768 | 13,900 | Surface water purchased | No current violation flagged |
| La Grande, City OfOR4100453 | 13,460 | Ground water | No current violation flagged |
| St Helens, City OfOR4100724 | 13,410 | Groundwater under influence of surface water | No current violation flagged |
| The Dalles, City OfOR4100869 | 13,010 | Surface water | Current monitoring/reporting flag |
| Sandy, City OfOR4100789 | 12,991 | Surface water | Current health-based flag |
| Gladstone, City OfOR4100321 | 12,121 | Surface water purchased | No current violation flagged |
| Deschutes Valley Water DistOR4100501 | 11,700 | Ground water | No current violation flagged |
| Monmouth, City OfOR4100537 | 11,651 | Groundwater under influence of surface water | No current violation flagged |
| Prineville, City OfOR4100682 | 11,000 | Ground water | No current violation flagged |
| West Slope Water DistrictOR4100660 | 11,000 | Surface water purchased | No current violation flagged |
| Cottage Grove, City OfOR4100236 | 10,879 | Surface water | No current violation flagged |
| Silverton, City OfOR4100823 | 10,484 | Surface water | No current violation flagged |
| Newport, City OfOR4100566 | 10,439 | Surface water | No current violation flagged |
| Baker CityOR4100073 | 10,349 | Surface water | No current violation flagged |
| Sweet Home, City OfOR4100851 | 10,322 | Surface water | No current violation flagged |
| Independence Water SystemOR4100399 | 10,300 | Ground water | No current violation flagged |
| Molalla, City OfOR4100534 | 10,298 | Surface water | No current violation flagged |
| Astoria, City OfOR4100055 | 10,181 | Surface water | No current violation flagged |
| Fairview, City OfOR4100296 | 9,963 | Ground water | No current violation flagged |
| Florence, City OfOR4100299 | 9,561 | Ground water | No current violation flagged |
| Eagle Point, City OfOR4100267 | 9,554 | Surface water purchased | Current monitoring/reporting flag |
| Umpqua Basin Water AssocOR4100719 | 9,499 | Surface water | No current violation flagged |
| Warrenton, City OfOR4100932 | 9,100 | Surface water | No current violation flagged |
| Scappoose, City OfOR4100792 | 8,710 | Surface water | No current violation flagged |
| Hood River, City OfOR4100385 | 8,577 | Ground water | No current violation flagged |
| City Of StaytonOR4100843 | 8,400 | Surface water | No current violation flagged |
| Winston-Dillard Water DistrictOR4100957 | 8,300 | Surface water | No current violation flagged |
| Umatilla, City OfOR4100914 | 8,256 | Ground water | No current violation flagged |
| Sutherlin, City OfOR4100847 | 8,060 | Surface water | No current violation flagged |
| Seaside Water DepartmentOR4100799 | 7,482 | Surface water | Current monitoring/reporting flag |
| Milton-Freewater, City OfOR4100522 | 7,145 | Ground water | No current violation flagged |
| Brookings, City OfOR4100149 | 7,120 | Ground water | No current violation flagged |
| Green Area Water & Sanitary AuthorityOR4100717 | 7,000 | Surface water | No current violation flagged |
| Junction City Water UtilitiesOR4100418 | 7,000 | Ground water | No current violation flagged |
| Sheridan, City OfOR4100811 | 6,494 | Surface water | No current violation flagged |
| Roats Water SystemOR4100113 | 6,469 | Ground water | No current violation flagged |
| Rainbow Water DistrictOR4100839 | 6,300 | Groundwater under influence of surface water | No current violation flagged |
| Talent, City OfOR4100857 | 6,293 | Surface water purchased | No current violation flagged |
| Ice Fountain Water DistrictOR4100387 | 6,000 | Ground water | No current violation flagged |
| Seal Rock Water DistrictOR4100798 | 6,000 | Surface water | No current violation flagged |
| Crystal Springs Water DistrictOR4100386 | 5,973 | Ground water | No current violation flagged |
| Phoenix, City OfOR4100625 | 5,900 | Surface water purchased | No current violation flagged |
| Estacada, City OfOR4100279 | 5,750 | Surface water | No current violation flagged |
| Boardman, City OfOR4100130 | 5,749 | Ground water | No current violation flagged |
| Kernville-Gleneden-Linc Bch WdOR4100324 | 5,609 | Surface water | No current violation flagged |
| Creswell, City OfOR4100246 | 5,585 | Surface water | No current violation flagged |
| Tillamook Water Dept, City OfOR4100893 | 5,265 | Surface water | No current violation flagged |
| Veneta, City OfOR4100920 | 5,200 | Surface water purchased | No current violation flagged |
| Heceta Water Peoples Utility DistrictOR4100301 | 4,921 | Surface water | No current violation flagged |
| Reedsport, City OfOR4100699 | 4,836 | Surface water | Current monitoring/reporting flag |
| Philomath Public WorksOR4100624 | 4,670 | Surface water | No current violation flagged |
| Chenowith PudOR4100867 | 4,500 | Ground water | No current violation flagged |
| Raleigh Water DistrictOR4100667 | 4,500 | Surface water purchased | No current violation flagged |
Showing the 100 largest systems by reported population served.
02 / CITY REPORTS
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03 / COUNTY REPORTS
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Clackamas17 systemsMarion13 systemsWashington12 systemsLane10 systemsDeschutes9 systemsDouglas8 systemsJackson7 systemsMultnomah7 systemsLincoln6 systemsPolk6 systemsYamhill6 systemsLinn5 systemsClatsop4 systemsCoos4 systemsUmatilla4 systemsColumbia3 systemsCurry3 systemsHood River3 systemsJefferson3 systemsBenton2 systemsMalheur2 systemsTillamook2 systemsWasco2 systemsBaker1 systemsCrook1 systemsJosephine1 systemsKlamath1 systemsUnion1 systems