Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1395956
| OR | Multnomah | Columbia River | 2000 |
17080001
| Lower Columbia-Sandy | established |
1395910
| OR | Multnomah | Columbia River | 2000 |
17080001
| Lower Columbia-Sandy | established |
1395896
| OR | Multnomah | Columbia River | 2000 |
17080001
| Lower Columbia-Sandy | established |
1395881
| OR | Multnomah | Columbia River | 2000 |
17080001
| Lower Columbia-Sandy | established |
1395924
| OR | Multnomah | Columbia River | 2000 |
17080001
| Lower Columbia-Sandy | established |
51665
| OR | Multnomah | Columbia River, Bonneville Dam | 1950 |
17080001
| Lower Columbia-Sandy | established |
51670
| OR | Multnomah | Columbia River, Bonneville Dam | 1950 |
17080001
| Lower Columbia-Sandy | established |
51669
| OR | Multnomah | Columbia River, Bonneville region | 1991 |
17080001
| Lower Columbia-Sandy | established |
51666
| OR | Multnomah | Columbia River, fish ladder near Bonneville | 1972 |
17080001
| Lower Columbia-Sandy | established |
243112
| OR | Multnomah | Columbia River, Sand Island #2 channel, Rooster Rock State Park. | 2003 |
17080001
| Lower Columbia-Sandy | established |