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FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 17020010 | Upper Columbia-Entiat | Current | NatureServe |
| 17020016 | Upper Columbia-Priest Rapids | Current | NatureServe |
| 17030003 | Lower Yakima | Current | NatureServe |
| 17060107 | Lower Snake-Tucannon | Historic | NatureServe |
| 17060110 | Lower Snake | Historic | NatureServe |
| 17060306 | Clearwater | Historic | NatureServe |
| 17070101 | Middle Columbia-Lake Wallula | Current | NatureServe |
| 17070102 | Walla Walla | Historic | NatureServe |
| 17070105 | Middle Columbia-Hood | Current | NatureServe |
| 17070106 | Klickitat | Current | NatureServe |
| 17080001 | Lower Columbia-Sandy | Current | NatureServe |
| 17080002 | Lewis | Current | NatureServe |
| 17080003 | Lower Columbia-Clatskanie | Current | NatureServe |
| 17080005 | Lower Cowlitz | Current | NatureServe |
| 17090001 | Middle Fork Willamette | Current | NatureServe |
| 17090002 | Coast Fork Willamette | Current | NatureServe |
| 17090003 | Upper Willamette | Current | NatureServe |
| 17090005 | North Santiam | Current | NatureServe |
| 17090006 | South Santiam | Current | NatureServe |
| 17090007 | Middle Willamette | Current | NatureServe |
| 17090008 | Yamhill | Current | NatureServe |
| 17090009 | Molalla-Pudding | Current | NatureServe |
| 17090011 | Clackamas | Current | NatureServe |
| 17090012 | Lower Willamette | Current | NatureServe |
| 17100204 | Siletz-Yaquina | Current | NatureServe |