Results from entry points (water leaving treatment, not household taps) of public water systems sampled under EPA's Fifth Unregulated Contaminant Monitoring Rule. Click a county to see every water system serving it, or turn on service areas and click a location to see the systems that serve that spot.
129 of the 1,300 public water systems listed for Oregon were sampled. Sorted by the highest single result relative to EPA's 2024 limits. Each name links to a page with all of that system's results. All 1,300 Oregon systems, including those not tested · Download all Oregon results (CSV, gzip)
| System | PWSID | City | Population | PFOA (ppt) | PFOS (ppt) | HI | Highest single result |
|---|---|---|---|---|---|---|---|
| Ruch Elementary Sd 549 | OR4191508 | Medford | 200 | 9.3 | 10.6 | 3.347 | Hazard Index ≥ 3 × its limit |
| Hermiston, City Of | OR4100372 | Hermiston | 20,000 | <MRL | 12 | 1.202 | PFOS ≥ 3 × its limit |
| Klamath Falls Water Dept | OR4100443 | Klamath Falls | 40,475 | <MRL | 9.5 | 0.582 | PFOS 1–3 × its limit |
| Rainbow Water District | OR4100839 | Springfield | 6,300 | 4.2 | 9.4 | 0.002 | PFOS 1–3 × its limit |
| Bend, City Of | OR4100100 | Bend | 77,704 | 7.9 | <MRL | 0 | PFOA 1–3 × its limit |
| Milton-Freewater, City Of | OR4100522 | Milton-Freewater | 7,145 | <MRL | 7.2 | 0.32 | PFOS 1–3 × its limit |
| Milwaukie, City Of | OR4100528 | Milwaukie | 20,946 | <MRL | 7 | 0 | PFOS 1–3 × its limit |
| Marcola Water District | OR4100508 | Springfield | 600 | <MRL | 6.8 | 0.74 | PFOS 1–3 × its limit |
| Dundee, City Of | OR4100262 | Dundee | 2,960 | <MRL | 5.4 | 0 | PFOS 1–3 × its limit |
| Sunrise Water Authority | OR4100635 | Happy Valley | 50,003 | <MRL | 4.3 | 0 | PFOS 1–3 × its limit |
| Springfield Utility Board | OR4100837 | Springfield | 62,100 | 4.1 | <MRL | 0 | PFOA 1–3 × its limit |
| Pendleton, City Of | OR4100613 | Pendleton | 16,996 | <MRL | <MRL | 0.48 | Hazard Index below its limit |
| Keizer, City Of | OR4100744 | Keizer | 38,585 | <MRL | <MRL | 0.39 | Hazard Index below its limit |
| St Helens, City Of | OR4100724 | St Helens | 13,410 | <MRL | <MRL | 0.008 | Hazard Index below its limit |
| Independence Water System | OR4100399 | Independence | 10,300 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Estacada, City Of | OR4100279 | Estacada | 5,750 | <MRL | <MRL | 0 | Other PFAS detected |
| Molalla, City Of | OR4100534 | Molalla | 10,298 | <MRL | <MRL | 0 | Other PFAS detected |
| Sherwood, City Of | OR4100816 | Sherwood | 20,781 | <MRL | <MRL | 0 | Other PFAS detected |
| Adair Village Water System | OR4100003 | Adair Village | 875 | <MRL | <MRL | 0 | No PFAS detected |
| Albany, City Of | OR4100012 | Albany | 57,997 | <MRL | <MRL | 0 | No PFAS detected |
| Ashland Water Department | OR4100047 | Ashland | 20,946 | <MRL | <MRL | 0 | No PFAS detected |
| Astoria, City Of | OR4100055 | Astoria | 10,181 | <MRL | <MRL | 0 | No PFAS detected |
| Aumsville, City Of | OR4100065 | Aumsville | 4,125 | <MRL | <MRL | 0 | No PFAS detected |
| Avion Wc - Greater Avion | OR4100091 | Bend | 35,332 | <MRL | <MRL | 0 | No PFAS detected |
| Baker City | OR4100073 | Baker City | 10,349 | <MRL | <MRL | 0 | No PFAS detected |
| Bandon, City Of | OR4100074 | Bandon | 3,000 | <MRL | <MRL | 0 | No PFAS detected |
| Beaverton, City Of | OR4100081 | Beaverton | 88,045 | <MRL | <MRL | 0 | No PFAS detected |
| Bethany Elementary School | OR4190586 | Silverton | 90 | <MRL | <MRL | 0 | No PFAS detected |
| Boardman, City Of | OR4100130 | Boardman | 5,749 | <MRL | <MRL | 0 | No PFAS detected |
| Brookings, City Of | OR4100149 | Brookings | 7,120 | <MRL | <MRL | 0 | No PFAS detected |
| Canby Utility | OR4100157 | Canby | 18,754 | <MRL | <MRL | 0 | No PFAS detected |
| Central Point, City Of | OR4100178 | Central Point | 19,785 | <MRL | <MRL | 0 | No PFAS detected |
| Chemical Waste Mgt Of Nw Inc | OR4194718 | Arlington | 40 | <MRL | <MRL | 0 | No PFAS detected |
| Chenowith Pud | OR4100867 | The Dalles | 4,500 | <MRL | <MRL | 0 | No PFAS detected |
| City Of Stayton | OR4100843 | Stayton | 8,400 | <MRL | <MRL | 0 | No PFAS detected |
| Clackamas River Water | OR4100187 | Clackamas | 29,918 | <MRL | <MRL | 0 | No PFAS detected |
| Clackamas River Water - Clairmont | OR4100594 | Clackamas | 19,928 | <MRL | <MRL | 0 | No PFAS detected |
| Coos Bay North Bend Wtr Brd | OR4100205 | Coos Bay | 34,500 | <MRL | <MRL | 0 | No PFAS detected |
| Coquille, City Of | OR4100213 | Coquille | 3,953 | <MRL | <MRL | 0 | No PFAS detected |
| Corbett Water District | OR4100359 | Corbett | 2,954 | <MRL | <MRL | 0 | No PFAS detected |
| Cornelius, City Of | OR4100218 | Cornelius | 14,490 | <MRL | <MRL | 0 | No PFAS detected |
| Corvallis, City Of | OR4100225 | Corvallis | 61,468 | <MRL | <MRL | 0 | No PFAS detected |
| Cottage Grove, City Of | OR4100236 | Cottage Grove | 10,879 | <MRL | <MRL | 0 | No PFAS detected |
| Creswell, City Of | OR4100246 | Creswell | 5,585 | <MRL | <MRL | 0 | No PFAS detected |
| Crooked River Ranch Wtr Co | OR4100862 | Terrebonne | 4,220 | <MRL | <MRL | 0 | No PFAS detected |
| Crystal Springs Water District | OR4100386 | Odell | 5,973 | <MRL | <MRL | 0 | No PFAS detected |
| Dallas, City Of | OR4100248 | Dallas | 17,911 | <MRL | <MRL | 0 | No PFAS detected |
| Deschutes Valley Water Dist | OR4100501 | Madras | 11,700 | <MRL | <MRL | 0 | No PFAS detected |
| Donald, City Of | OR4100259 | Donald | 1,107 | <MRL | <MRL | 0 | No PFAS detected |
| Eagle Point, City Of | OR4100267 | Eagle Point | 9,554 | <MRL | <MRL | 0 | No PFAS detected |
| Eugene Water & Electric Board | OR4100287 | Eugene | 176,000 | <MRL | <MRL | 0 | No PFAS detected |
| Fairview, City Of | OR4100296 | Fairview | 9,963 | <MRL | <MRL | 0 | No PFAS detected |
| Falls City, City Of | OR4100297 | Falls City | 1,051 | <MRL | <MRL | 0 | No PFAS detected |
| Florence, City Of | OR4100299 | Florence | 9,561 | <MRL | <MRL | 0 | No PFAS detected |
| Forest Grove, City Of | OR4100305 | Forest Grove | 26,838 | <MRL | <MRL | 0 | No PFAS detected |
| Gladstone, City Of | OR4100321 | Gladstone | 12,121 | <MRL | <MRL | 0 | No PFAS detected |
| Grants Pass, City Of | OR4100342 | Grants Pass | 37,138 | <MRL | <MRL | 0 | No PFAS detected |
| Green Area Water & Sanitary Authority | OR4100717 | Roseburg | 7,000 | <MRL | <MRL | 0 | No PFAS detected |
| Gresham, City Of | OR4100357 | Gresham | 73,932 | <MRL | <MRL | 0 | No PFAS detected |
| Harrisburg, City Of | OR4100366 | Harrisburg | 3,684 | <MRL | <MRL | 0 | No PFAS detected |
| Heceta Water Peoples Utility District | OR4100301 | Florence | 4,921 | <MRL | <MRL | 0 | No PFAS detected |
| Hillsboro, City Of | OR4101513 | Hillsboro | 92,632 | <MRL | <MRL | 0 | No PFAS detected |
| Hood River, City Of | OR4100385 | Hood River | 8,577 | <MRL | <MRL | 0 | No PFAS detected |
| Hubbard, City Of | OR4100389 | Hubbard | 3,478 | <MRL | <MRL | 0 | No PFAS detected |
| Ice Fountain Water District | OR4100387 | Hood River | 6,000 | <MRL | <MRL | 0 | No PFAS detected |
| Kernville-Gleneden-Linc Bch Wd | OR4100324 | Gleneden Beach | 5,609 | <MRL | <MRL | 0 | No PFAS detected |
| La Grande, City Of | OR4100453 | La Grande | 13,460 | <MRL | <MRL | 0 | No PFAS detected |
| Lafayette, City Of | OR4100452 | Lafayette | 4,423 | <MRL | <MRL | 0 | No PFAS detected |
| Lake Oswego Municipal Water | OR4100457 | Lake Oswego | 40,000 | <MRL | <MRL | 0 | No PFAS detected |
| Lakeview, Town Of | OR4100464 | Lakeview | 2,476 | <MRL | <MRL | 0 | No PFAS detected |
| Lebanon, City Of | OR4100473 | Lebanon | 18,945 | <MRL | <MRL | 0 | No PFAS detected |
| Lincoln City, City Of | OR4100483 | Lincoln City | 20,830 | <MRL | <MRL | 0 | No PFAS detected |
| Madras, City Of | OR4100500 | Madras | 3,940 | <MRL | <MRL | 0 | No PFAS detected |
| Mcminnville Water & Light | OR4100497 | Mcminnville | 34,515 | <MRL | <MRL | 0 | No PFAS detected |
| Medford Water Commission | OR4100513 | Medford | 106,068 | <MRL | <MRL | 0 | No PFAS detected |
| Monmouth, City Of | OR4100537 | Monmouth | 11,651 | <MRL | <MRL | 0 | No PFAS detected |
| Mount Angel, City Of | OR4100544 | Mt. Angel | 3,650 | <MRL | <MRL | 0 | No PFAS detected |
| Myrtle Creek, City Of | OR4100550 | Myrtle Creek | 3,501 | <MRL | <MRL | 0 | No PFAS detected |
| Newberg, City Of | OR4100557 | Newberg | 25,138 | <MRL | <MRL | 0 | No PFAS detected |
| Newport, City Of | OR4100566 | Newport | 10,439 | <MRL | <MRL | 0 | No PFAS detected |
| Oak Lodge Water Services | OR4101512 | Milwaukie | 30,000 | <MRL | <MRL | 0 | No PFAS detected |
| Ontario, City Of | OR4100587 | Ontario | 14,465 | <MRL | <MRL | 0 | No PFAS detected |
| Oregon City | OR4101511 | Oregon City | 33,940 | <MRL | <MRL | 0 | No PFAS detected |
| Oregon Institute Of Technology | OR4193997 | Klamath Falls | 3,250 | <MRL | <MRL | 0 | No PFAS detected |
| Philomath Public Works | OR4100624 | Philomath | 4,670 | <MRL | <MRL | 0 | No PFAS detected |
| Phoenix, City Of | OR4100625 | Phoenix | 5,900 | <MRL | <MRL | 0 | No PFAS detected |
| Pleasant View Water Co | OR4101322 | Yamhill | 120 | <MRL | <MRL | 0 | No PFAS detected |
| Portland Water Bureau | OR4100657 | Portland | 666,200 | <MRL | <MRL | 0 | No PFAS detected |
| Prineville, City Of | OR4100682 | Prineville | 11,000 | <MRL | <MRL | 0 | No PFAS detected |
| Raleigh Water District | OR4100667 | Portland | 4,500 | <MRL | <MRL | 0 | No PFAS detected |
| Redmond Water Department | OR4100693 | Redmond | 38,208 | <MRL | <MRL | 0 | No PFAS detected |
| Reedsport, City Of | OR4100699 | Reedsport | 4,836 | <MRL | <MRL | 0 | No PFAS detected |
| Rivergrove Water District | OR4100461 | Lake Oswego | 4,000 | <MRL | <MRL | 0 | No PFAS detected |
| Roats Water System | OR4100113 | Bend | 6,469 | <MRL | <MRL | 0 | No PFAS detected |
| Roats Woodside Ranch Ws | OR4100115 | Bend | 685 | <MRL | <MRL | 0 | No PFAS detected |
| Rockwood Pud | OR4100668 | Portland | 65,443 | <MRL | <MRL | 0 | No PFAS detected |
| Roseburg, City Of | OR4100720 | Roseburg | 28,800 | <MRL | <MRL | 0 | No PFAS detected |
| Salem Public Works | OR4100731 | Salem | 199,820 | <MRL | <MRL | 0 | No PFAS detected |
| Sandy, City Of | OR4100789 | Sandy | 12,991 | <MRL | <MRL | 0 | No PFAS detected |
| Scappoose, City Of | OR4100792 | Scappoose | 8,710 | <MRL | <MRL | 0 | No PFAS detected |
| Seal Rock Water District | OR4100798 | Seal Rock | 6,000 | <MRL | <MRL | 0 | No PFAS detected |
| Seaside Water Department | OR4100799 | Seaside | 7,482 | <MRL | <MRL | 0 | No PFAS detected |
| Sheridan, City Of | OR4100811 | Sheridan | 6,494 | <MRL | <MRL | 0 | No PFAS detected |
| Silverton, City Of | OR4100823 | Silverton | 10,484 | <MRL | <MRL | 0 | No PFAS detected |
| Spirit Mountain Casino | 104121115 | Grand Ronde | 7,420 | <MRL | <MRL | 0 | No PFAS detected |
| Suburban East Salem Wd | OR4100768 | Salem | 13,900 | <MRL | <MRL | 0 | No PFAS detected |
| Sunriver Water Llc/Sunriver Utilities | OR4100846 | Sunriver | 4,300 | <MRL | <MRL | 0 | No PFAS detected |
| Sutherlin, City Of | OR4100847 | Sutherlin | 8,060 | <MRL | <MRL | 0 | No PFAS detected |
| Sweet Home, City Of | OR4100851 | Sweet Home | 10,322 | <MRL | <MRL | 0 | No PFAS detected |
| Talent, City Of | OR4100857 | Talent | 6,293 | <MRL | <MRL | 0 | No PFAS detected |
| The Dalles, City Of | OR4100869 | The Dalles | 13,010 | <MRL | <MRL | 0 | No PFAS detected |
| Tigard, City Of | OR4100878 | Tigard | 62,500 | <MRL | <MRL | 0 | No PFAS detected |
| Tillamook Water Dept, City Of | OR4100893 | Tillamook | 5,265 | <MRL | <MRL | 0 | No PFAS detected |
| Toledo Water Utilities | OR4100899 | Toledo | 3,645 | <MRL | <MRL | 0 | No PFAS detected |
| Tri-City Jw&Sa | OR4100549 | Myrtle Creek | 3,500 | <MRL | <MRL | 0 | No PFAS detected |
| Troutdale, City Of | OR4100901 | Troutdale | 16,185 | <MRL | <MRL | 0 | No PFAS detected |
| Tualatin Valley Water District | OR4100665 | Beaverton | 224,600 | <MRL | <MRL | 0 | No PFAS detected |
| Tualatin, City Of | OR4100906 | Tualatin | 28,106 | <MRL | <MRL | 0 | No PFAS detected |
| Umatilla, City Of | OR4100914 | Umatilla | 8,256 | <MRL | <MRL | 0 | No PFAS detected |
| Umpqua Basin Water Assoc | OR4100719 | Roseburg | 9,499 | <MRL | <MRL | 0 | No PFAS detected |
| Veneta, City Of | OR4100920 | Veneta | 5,200 | <MRL | <MRL | 0 | No PFAS detected |
| Warm Springs Water Treatment Plant | 104101247 | Warm Springs | 3,800 | <MRL | <MRL | 0 | No PFAS detected |
| Warrenton, City Of | OR4100932 | Warrenton | 9,100 | <MRL | <MRL | 0 | No PFAS detected |
| West Linn, City Of | OR4100944 | West Linn | 28,000 | <MRL | <MRL | 0 | No PFAS detected |
| West Slope Water District | OR4100660 | Portland | 11,000 | <MRL | <MRL | 0 | No PFAS detected |
| Wilsonville, City Of | OR4100954 | Wilsonville | 25,915 | <MRL | <MRL | 0 | No PFAS detected |
| Winston-Dillard Water District | OR4100957 | Winston | 8,300 | <MRL | <MRL | 0 | No PFAS detected |
| Wood Village, City Of | OR4100904 | Wood Village | 4,388 | <MRL | <MRL | 0 | No PFAS detected |
| Woodburn, City Of | OR4100959 | Woodburn | 29,455 | <MRL | <MRL | 0 | No PFAS detected |
Highest single result for each system; PFOA and PFOS in ppt (ng/L). Entry-point samples, not tap water; screening comparisons, not compliance determinations.