Largest water suppliers
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that supplier.
| Supplier | City | Population | Lead (p90) |
|---|---|---|---|
| Portland Water Bureau | — | 666,200 | 0.0049 mg/L |
| Tualatin Valley Water District | Beaverton | 224,600 | 0.0045 mg/L |
| Salem Public Works | Salem | 199,820 | 0.0020 mg/L |
| Eugene Water & Electric Board | Eugene | 176,000 | 0.0045 mg/L |
| Medford Water Commission | Medford | 106,068 | 0.0000 mg/L |
| Hillsboro, City of | Hillsboro | 92,632 | 0.0000 mg/L |
| Beaverton, City of | Beaverton | 88,045 | 0.0026 mg/L |
| Bend, City of | — | 77,704 | 0.0000 mg/L |
| Gresham, City of | Gresham | 73,932 | 0.0034 mg/L |
| Rockwood Pud | — | 65,443 | 0.0046 mg/L |
| Tigard, City of | Tigard | 62,500 | 0.0008 mg/L |
| Springfield Utility Board | Springfield | 62,100 | 0.0028 mg/L |
| Corvallis, City of | — | 61,468 | 0.0014 mg/L |
| Albany, City of | Albany | 57,997 | 0.0000 mg/L |
| Sunrise Water Authority | Happy Valley | 50,003 | 0.0030 mg/L |
| Klamath Falls Water Dept | Klamath Falls | 40,475 | 0.0000 mg/L |
| Lake Oswego Municipal Water | Lake Oswego | 40,000 | 0.0000 mg/L |
| Keizer, City of | Keizer | 38,585 | 0.0000 mg/L |
| Redmond Water Department | Redmond | 37,566 | 0.0000 mg/L |
| Grants Pass, City of | — | 37,138 | 0.0000 mg/L |
| Avion Wc - Greater Avion | — | 35,332 | 0.0000 mg/L |
| Mcminnville Water & Light | Mcminnville | 34,515 | 0.0013 mg/L |
| Coos Bay North Bend Wtr Brd | Coos Bay | 34,500 | 0.0050 mg/L |
| Oregon City | — | 33,940 | 0.0018 mg/L |
| Oak Lodge Water Services | — | 30,000 | 0.0027 mg/L |
| Clackamas River Water | Clackamas | 29,918 | 0.0017 mg/L |
| Woodburn, City of | Woodburn | 29,455 | 0.0075 mg/L |
| Roseburg, City of | Roseburg | 28,800 | 0.0000 mg/L |
| Tualatin, City of | Tualatin | 28,106 | 0.0049 mg/L |
| West Linn, City of | West Linn | 28,000 | 0.0018 mg/L |
| Forest Grove, City of | Forest Grove | 26,838 | 0.0029 mg/L |
| Wilsonville, City of | Wilsonville | 25,915 | 0.0076 mg/L |
| Newberg, City of | Newberg | 25,138 | 0.0023 mg/L |
| Ashland Water Department | Ashland | 20,946 | 0.0034 mg/L |
| Milwaukie, City of | — | 20,946 | 0.0000 mg/L |
| Lincoln City, City of | Lincoln City | 20,830 | 0.0014 mg/L |
| Hermiston, City of | Hermiston | 20,000 | 0.0030 mg/L |
| Clackamas River Water - Clairmont | Clackamas | 19,928 | 0.0020 mg/L |
| Sherwood, City of | Sherwood | 19,885 | 0.0013 mg/L |
| Central Point, City of | — | 19,785 | 0.0007 mg/L |
| Lebanon, City of | Lebanon | 18,945 | 0.0037 mg/L |
| Canby Utility | Canby | 18,754 | 0.0021 mg/L |
| Dallas, City of | Dallas | 17,911 | 0.0043 mg/L |
| Pendleton, City of | Pendleton | 16,996 | 0.0025 mg/L |
| Troutdale, City of | Troutdale | 16,185 | 0.0025 mg/L |
| Cornelius, City of | Cornelius | 14,490 | 0.0000 mg/L |
| Ontario, City of | Ontario | 14,465 | 0.0021 mg/L |
| Suburban East Salem Wd | Salem | 13,900 | 0.0045 mg/L |
| La Grande, City of | La Grande | 13,460 | 0.0000 mg/L |
| St Helens, City of | St Helens | 13,410 | 0.0010 mg/L |
| The Dalles, City of | The Dalles | 13,010 | 0.0002 mg/L |
| Sandy, City of | Sandy | 12,991 | 0.0130 mg/L |
| Gladstone, City of | Gladstone | 12,121 | 0.0033 mg/L |
| Deschutes Valley Water Dist | — | 11,700 | 0.0011 mg/L |
| Monmouth, City of | Monmouth | 11,651 | 0.0000 mg/L |
| Prineville, City of | — | 11,000 | 0.0019 mg/L |
| West Slope Water District | — | 11,000 | 0.0049 mg/L |
| Cottage Grove, City of | Cottage Grove | 10,879 | 0.0080 mg/L |
| Silverton, City of | Silverton | 10,484 | 0.0000 mg/L |
| Newport, City of | Newport | 10,439 | 0.0021 mg/L |
| Baker City | Baker City | 10,349 | 0.0000 mg/L |
| Sweet Home, City of | Sweet Home | 10,322 | 0.0000 mg/L |
| Independence Water System | Independence | 10,300 | 0.0030 mg/L |
| Molalla, City of | Molalla | 10,298 | 0.0013 mg/L |
| Astoria, City of | Astoria | 10,181 | 0.0016 mg/L |
| Fairview, City of | Fairview | 9,963 | 0.0069 mg/L |
| Florence, City of | Florence | 9,561 | 0.0048 mg/L |
| Eagle Point, City of | Eagle Point | 9,554 | 0.0016 mg/L |
| Umpqua Basin Water Assoc | Roseburg | 9,499 | 0.0350 mg/L |
| Warrenton, City of | Warrenton | 9,100 | 0.0011 mg/L |
| Scappoose, City of | Scappoose | 8,710 | 0.0000 mg/L |
| Hood River, City of | Hood River | 8,577 | 0.0017 mg/L |
| City of Stayton | Stayton | 8,400 | 0.0060 mg/L |
| Winston-Dillard Water District | Winston | 8,300 | 0.0070 mg/L |
| Umatilla, City of | Umatilla | 8,256 | 0.0000 mg/L |
| Sutherlin, City of | Sutherlin | 8,060 | 0.0030 mg/L |
| Seaside Water Department | Seaside | 7,482 | 0.0007 mg/L |
| Milton-Freewater, City of | Milton-Freewater | 7,145 | 0.0020 mg/L |
| Brookings, City of | — | 7,120 | 0.0000 mg/L |
| Green Area Water & Sanitary Authority | Roseburg | 7,000 | 0.0000 mg/L |
| Junction City Water Utilities | Junction City | 7,000 | 0.0013 mg/L |
| Sheridan, City of | Sheridan | 6,494 | 0.0000 mg/L |
| Roats Water System | — | 6,469 | 0.0009 mg/L |
| Rainbow Water District | Springfield | 6,300 | 0.0021 mg/L |
| Talent, City of | Talent | 6,293 | 0.0006 mg/L |
| Seal Rock Water District | Seal Rock | 6,000 | 0.0045 mg/L |
| Ice Fountain Water District | Hood River | 6,000 | 0.0011 mg/L |
| Crystal Springs Water District | Odell | 5,973 | 0.0033 mg/L |
| Phoenix, City of | Phoenix | 5,900 | 0.0002 mg/L |
| Estacada, City of | Estacada | 5,750 | 0.0021 mg/L |
| Boardman, City of | Boardman | 5,749 | 0.0000 mg/L |
| Kernville-Gleneden-Linc Bch Wd | Gleneden Beach | 5,609 | 0.0031 mg/L |
| Creswell, City of | Creswell | 5,585 | 0.0034 mg/L |
| Tillamook Water Dept, City of | Tillamook | 5,265 | 0.0000 mg/L |
| Veneta, City of | Veneta | 5,200 | 0.0019 mg/L |
| Heceta Water Peoples Utility District | Florence | 4,921 | 0.0000 mg/L |
| Reedsport, City of | Reedsport | 4,836 | 0.0040 mg/L |
| Philomath Public Works | — | 4,670 | 0.0033 mg/L |
| Raleigh Water District | — | 4,500 | 0.0049 mg/L |
| Chenowith Pud | The Dalles | 4,500 | 0.0029 mg/L |