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USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 17010101 | Upper Kootenai | Current | NatureServe |
| 17010102 | Fisher | Current | NatureServe |
| 17010103 | Yaak | Current | NatureServe |
| 17010104 | Lower Kootenai | Current | NatureServe |
| 17010213 | Lower Clark Fork | Current | NatureServe |
| 17010214 | Pend Oreille Lake | Current | NatureServe |
| 17010216 | Pend Oreille | Current | NatureServe |
| 17010301 | Upper Coeur D Alene | Current | NatureServe |
| 17010304 | St. Joe | Current | NatureServe |
| 17010305 | Upper Spokane | Current | NatureServe |
| 17010306 | Hangman | Current | NatureServe |
| 17010307 | Lower Spokane | Current | NatureServe |
| 17010308 | Little Spokane | Current | NatureServe |
| 17020001 | Franklin D. Roosevelt Lake | Current | NatureServe |
| 17020002 | Kettle | Current | NatureServe |
| 17020003 | Colville | Current | NatureServe |
| 17020004 | Sanpoil | Current | NatureServe |
| 17020005 | Chief Joseph | Current | NatureServe |
| 17020006 | Okanogan | Current | NatureServe |
| 17020007 | Similkameen | Current | NatureServe |
| 17020008 | Methow | Current | NatureServe |
| 17020010 | Upper Columbia-Entiat | Current | NatureServe |
| 17020011 | Wenatchee | Current | NatureServe |
| 17020012 | Moses Coulee | Current | NatureServe |
| 17030001 | Upper Yakima | Current | NatureServe |
| 17030002 | Naches | Current | NatureServe |
| 17030003 | Lower Yakima | Current | NatureServe |
| 17050107 | Middle Owyhee | Current | NatureServe |
| 17050201 | Brownlee Reservoir | Current | NatureServe |
| 17060104 | Upper Grande Ronde | Current | NatureServe |
| 17060105 | Wallowa | Current | NatureServe |
| 17060108 | Palouse | Current | NatureServe |
| 17060201 | Upper Salmon | Current | NatureServe |
| 17060208 | South Fork Salmon | Current | NatureServe |
| 17060209 | Lower Salmon | Current | NatureServe |
| 17060210 | Little Salmon | Current | NatureServe |
| 17060301 | Upper Selway | Current | NatureServe |
| 17060302 | Lower Selway | Current | NatureServe |
| 17060303 | Lochsa | Current | NatureServe |
| 17060304 | Middle Fork Clearwater | Current | NatureServe |
| 17060305 | South Fork Clearwater | Current | NatureServe |
| 17060306 | Clearwater | Current | NatureServe |
| 17060307 | Upper North Fork Clearwater | Current | NatureServe |
| 17060308 | Lower North Fork Clearwater | Current | NatureServe |
| 17070101 | Middle Columbia-Lake Wallula | Current | NatureServe |
| 17070102 | Walla Walla | Current | NatureServe |
| 17070105 | Middle Columbia-Hood | Current | NatureServe |
| 17070106 | Klickitat | Current | NatureServe |
| 17070201 | Upper John Day | Current | NatureServe |
| 17070202 | North Fork John Day | Current | NatureServe |
| 17070203 | Middle Fork John Day | Current | NatureServe |
| 17070304 | Upper Crooked | Current | NatureServe |
| 17070305 | Lower Crooked | Current | NatureServe |
| 17070306 | Lower Deschutes | Current | NatureServe |
| 17080001 | Lower Columbia-Sandy | Current | NatureServe |
| 17080002 | Lewis | Current | NatureServe |
| 17080003 | Lower Columbia-Clatskanie | Current | NatureServe |
| 17080004 | Upper Cowlitz | Current | NatureServe |
| 17080005 | Lower Cowlitz | Current | NatureServe |
| 17080006 | Lower Columbia | Current | NatureServe |
| 17090001 | Middle Fork Willamette | Current | NatureServe |
| 17090002 | Coast Fork Willamette | Current | NatureServe |
| 17090003 | Upper Willamette | Current | NatureServe |
| 17090004 | Mckenzie | 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 |
| 17090010 | Tualatin | Current | NatureServe |
| 17090011 | Clackamas | Current | NatureServe |
| 17090012 | Lower Willamette | Current | NatureServe |
| 17100101 | Hoh-Quillayute | Current | NatureServe |
| 17100102 | Queets-Quinault | Current | NatureServe |
| 17100103 | Upper Chehalis | Current | NatureServe |
| 17100104 | Lower Chehalis | Current | NatureServe |
| 17100105 | Grays Harbor | Current | NatureServe |
| 17100106 | Willpa Bay | Current | NatureServe |
| 17100201 | Necanicum | Current | NatureServe |
| 17100202 | Nehalem | Current | NatureServe |
| 17100203 | Wilson-Trask-Nestucca | Current | NatureServe |
| 17100204 | Siletz-Yaquina | Current | NatureServe |
| 17100205 | Alsea | Current | NatureServe |
| 17100206 | Siuslaw | Current | NatureServe |
| 17100301 | North Umpqua | Current | NatureServe |
| 17100302 | South Umpqua | Current | NatureServe |
| 17100303 | Umpqua | Current | NatureServe |
| 17100305 | Coquille | Current | NatureServe |
| 17100310 | Lower Rouge | Current | NatureServe |
| 17110008 | Stillaguamish | Current | NatureServe |
| 17110009 | Skykomish | Current | NatureServe |
| 17110010 | Snoqualmie | Current | NatureServe |
| 17110011 | Snohomish | Current | NatureServe |
| 17110012 | Lake Washington | Current | NatureServe |
| 17110013 | Duwamish | Current | NatureServe |
| 17110014 | Puyallup | Current | NatureServe |
| 17110015 | Nisqually | Current | NatureServe |
| 17110016 | Deschutes | Current | NatureServe |
| 17110017 | Skokomish | Current | NatureServe |
| 17110021 | Crescent-Hoko | Current | NatureServe |