Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
163992
| WA | Clark | Ridgefield National Wildlife Refuge | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
163997
| WA | Clark | Steigerwald Lake National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |
163909
| WA | Grant | Columbia National Wildlife Refuge | 2005 |
17020015
| Lower Crab | established |
163916
| WA | Grant | Hanford Reach National Monument/Saddle Mountain National Wildlife Refuge | 2005 |
17020016
| Upper Columbia-Priest Rapids | established |
163914
| WA | Skamania | Franz Lake National Wildlife Refuge [Along the Columbia River, 2.2 km (1.4 mi) WSW of Skamania] | 2005 |
17080001
| Lower Columbia-Sandy | established |
163990
| WA | Skamania | Pierce National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |
163985
| WA | Walla Walla | McNary National Wildlife Refuge | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
164016
| WA | Yakima | Toppenish National Wildlife Refuge | 2005 |
17030003
| Lower Yakima | established |