Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41327
| 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 |
297243
| 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 |
297253
| 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 |
164063
| OR | Morrow | Umatilla National Wildlife Refuge | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
41397
| OR | Sherman | John Day Pool, on Columbia River behind John Day Dam (Sherman, Gilliam, Morrow, and Umatilla Counties). | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297428
| OR | Sherman | John Day Pool, on Columbia River behind John Day Dam (Sherman, Gilliam, Morrow, and Umatilla Counties). | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297436
| OR | Sherman | John Day Pool, on Columbia River behind John Day Dam (Sherman, Gilliam, Morrow, and Umatilla Counties). | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
40573
| OR | Umatilla | Columbia River at McNary Dam | 1959 |
17070101
| Middle Columbia-Lake Wallula | established |
41438
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297551
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297560
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
45934
| WA | Benton | McNary Pool (Lake Wallula), on Columbia River above McNary | 1979 |
17070101
| Middle Columbia-Lake Wallula | established |
239850
| WA | Benton | Mound Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239859
| WA | Benton | Palmer pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239868
| WA | Benton | Switch Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
239877
| WA | Benton | Yellepit Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
240578
| WA | Walla Walla | Casey Pond | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
164061
| WA | Walla Walla | McNary National Wildlife Refuge | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
45935
| WA | Walla Walla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 1979 |
17070101
| Middle Columbia-Lake Wallula | established |