| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1896116
| WA | Douglas | Putters Lake, Rock Island ponds | 2024 |
17020010
| Upper Columbia-Entiat | |
|
616824
| WA | Franklin | Sacajawea Park | 1958 |
17020016
| Upper Columbia-Priest Rapids | unknown |
|
163835
| WA | Grant | Columbia National Wildlife Refuge | 2005 |
17020015
| Lower Crab | established |
|
163842
| WA | Grant | Hanford Reach National Monument/Saddle Mountain National Wildlife Refuge | 2005 |
17020016
| Upper Columbia-Priest Rapids | established |