| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1533120
| OR | Hood River | Columbia River, in Bonneville Reservoir at Hood River | 2016 |
17070105
| Middle Columbia-Hood | established |
|
243765
| OR | Hood River | Columbia River, mid channel north of Hood River. | 2006 |
17070105
| Middle Columbia-Hood | established |
|
243768
| OR | Hood River | Columbia River, NE of Cascade Locks Marine Park. | 2006 |
17070105
| Middle Columbia-Hood | established |
|
890368
| OR | Hood River | Columbia River, unspecified | 1968 |
17070105
| Middle Columbia-Hood | established |
|
1243794
| OR | Sherman | Columbia River below [downstream] Maryhill dam (John Day Dam), [point estimated 2.02 air miles NE center] Rufus, [Rufus Quad]. | 1993 |
17070105
| Middle Columbia-Hood | established |
|
1243791
| OR | Sherman | Columbia River, 2.4 [air] km below John Day Dam, [point estimated 1.08 air miles NE center] Rufus, [Rufus Quad]. | 1994 |
17070105
| Middle Columbia-Hood | established |
|
243666
| OR | Sherman | Columbia River, Lake Celilo | 2006 |
17070105
| Middle Columbia-Hood | established |
|
243667
| OR | Sherman | Columbia River, Lake Celilo | 2006 |
17070105
| Middle Columbia-Hood | established |
|
1340793
| OR | Wasco | Columbia River, 42 km upstream from Bonneville Dam (233 km from mouth of river) | 2013 |
17070105
| Middle Columbia-Hood | established |
|
1340794
| OR | Wasco | Columbia River, 42 km upstream from Bonneville Dam (233 km from mouth of river) | 2014 |
17070105
| Middle Columbia-Hood | established |
|
243767
| OR | Wasco | Columbia River, mid channel north of Mosier | 2006 |
17070105
| Middle Columbia-Hood | established |
|
243770
| OR | Wasco | Columbia River, north of Mayer State Park, Rowena. | 2006 |
17070105
| Middle Columbia-Hood | established |