Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41333
| 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 |
297244
| 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 |
297254
| 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 |
41337
| OR | Morrow | McCormack Slough, 5 miles northeast of Boardman. Highway 730 to milepost 171.9, turn north on Patterson Ferry Road, go 1.9 miles. Turn west on gravel road (0.1 mi past Umatilla Natl Wildlife Refuge Info Center and parking area). | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297260
| OR | Morrow | McCormack Slough, 5 miles northeast of Boardman. Highway 730 to milepost 171.9, turn north on Patterson Ferry Road, go 1.9 miles. Turn west on gravel road (0.1 mi past Umatilla Natl Wildlife Refuge Info Center and parking area). | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297264
| OR | Morrow | McCormack Slough, 5 miles northeast of Boardman. Highway 730 to milepost 171.9, turn north on Patterson Ferry Road, go 1.9 miles. Turn west on gravel road (0.1 mi past Umatilla Natl Wildlife Refuge Info Center and parking area). | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
41755
| OR | Morrow | Tatone Pond, 2 miles west of Boardman between I-84 and Columbia River; I-84N exit 159 (Tower Rd. Exit), turn N to railroad tracks, drive east along tracks to parking lot, walk 0.2 miles N to Tatone Pond. | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297272
| OR | Morrow | Tatone Pond, 2 miles west of Boardman between I-84 and Columbia River; I-84N exit 159 (Tower Rd. Exit), turn N to railroad tracks, drive east along tracks to parking lot, walk 0.2 miles N to Tatone Pond. | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297271
| OR | Morrow | Tatone Pond, 2 miles west of Boardman between I-84 and Columbia River; I-84N exit 159 (Tower Rd. Exit), turn N to railroad tracks, drive east along tracks to parking lot, walk 0.2 miles N to Tatone Pond. | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
41399
| 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 |
297431
| 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 |
297439
| 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 |
41444
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297553
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297562
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
268421
| OR | Umatilla | Umatilla River | 1936 |
17070101
| Middle Columbia-Lake Wallula | established |