Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41584
| OR | Multnomah | Bonneville Pool, on Columbia River behind Bonneville Dam. | 2001 |
17070105
| Middle Columbia-Hood | established |
296333
| OR | Multnomah | Bonneville Pool, on Columbia River behind Bonneville Dam. | 2009 |
17070105
| Middle Columbia-Hood | established |
296344
| OR | Multnomah | Bonneville Pool, on Columbia River behind Bonneville Dam. | 2013 |
17070105
| Middle Columbia-Hood | established |
41789
| OR | Wasco | The Dalles Pool, on Columbia River behind the Dalles Dam (also in Wasco County). | 2001 |
17070105
| Middle Columbia-Hood | established |
297464
| OR | Wasco | The Dalles Pool, on Columbia River behind the Dalles Dam (also in Wasco County). | 2009 |
17070105
| Middle Columbia-Hood | established |
297473
| OR | Wasco | The Dalles Pool, on Columbia River behind the Dalles Dam (also in Wasco County). | 2013 |
17070105
| Middle Columbia-Hood | established |
240388
| WA | Klickitat | Chamberlain Lake | 2005 |
17070105
| Middle Columbia-Hood | established |
240393
| WA | Klickitat | Columbia River, in Klickitat County | 2005 |
17070105
| Middle Columbia-Hood | established |
239479
| WA | Klickitat | Horsethief Lake | 2005 |
17070105
| Middle Columbia-Hood | established |
239485
| WA | Klickitat | Rowland Lake | 2005 |
17070105
| Middle Columbia-Hood | established |
240399
| WA | Klickitat | Spearfish Lake | 2005 |
17070105
| Middle Columbia-Hood | established |
240462
| WA | Skamania | Ashes Lake | 2005 |
17070105
| Middle Columbia-Hood | established |
240466
| WA | Skamania | Columbia River in Skamania County | 2005 |
17070105
| Middle Columbia-Hood | established |