Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41330
| OR | Morrow | John Day Pool (Lake Umatilla), includes John Day Arm and Willow Creek Arm, on Columbia River behind John Day dam. | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297248
| OR | Morrow | John Day Pool (Lake Umatilla), includes John Day Arm and Willow Creek Arm, on Columbia River behind John Day dam. | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297258
| OR | Morrow | John Day Pool (Lake Umatilla), includes John Day Arm and Willow Creek Arm, on Columbia River behind John Day dam. | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
41440
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297554
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297563
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
268429
| OR | Umatilla | Umatilla River | 1936 |
17070101
| Middle Columbia-Lake Wallula | established |
239848
| WA | Benton | Columbia River | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
240973
| WA | Benton | Mitchell Pond, on the NW side of McNary Reservoir, 15 miles SE of Kennewick | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239857
| WA | Benton | Mound Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239866
| WA | Benton | Palmer pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239875
| WA | Benton | Switch Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239882
| WA | Benton | Yellepit Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
240581
| WA | Walla Walla | Casey Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |