Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41325
| 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 |
297239
| 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 |
297249
| 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 |
41335
| 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 |
297261
| 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 |
297265
| 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 |
40625
| OR | Morrow | Middle Columbia drainage | 1980 |
17070101
| Middle Columbia-Lake Wallula | established |
163975
| OR | Morrow | Umatilla National Wildlife Refuge | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
41395
| 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 |
297424
| 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 |
297433
| 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 |
40540
| OR | Umatilla | Cold Springs Landing, 10 mi above Umatilla River | 1942 |
17070101
| Middle Columbia-Lake Wallula | established |
746707
| OR | Umatilla | COLUMBIA R.;S.SHORE ABOVE MOUTH OF UMATILLA | 1967 |
17070101
| Middle Columbia-Lake Wallula | established |
41422
| OR | Umatilla | Hat Rock State Park Pond, 9 miles east of Umatilla; hwy 730 to mile post 192.1, turn north in to park, follow the signs | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297525
| OR | Umatilla | Hat Rock State Park Pond, 9 miles east of Umatilla; hwy 730 to mile post 192.1, turn north in to park, follow the signs | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297523
| OR | Umatilla | Hat Rock State Park Pond, 9 miles east of Umatilla; hwy 730 to mile post 192.1, turn north in to park, follow the signs | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
41434
| OR | Umatilla | McNary Channel Ponds, 1 mile west of McNary Dam on Columbia River. Highway 730 to milepost 184.1, turn N on Brownell Blvd(100 yds W of I-82), go E 0.1 mi to McNary Wild Nature Area, turn N to ponds and rivers. | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297539
| OR | Umatilla | McNary Channel Ponds, 1 mile west of McNary Dam on Columbia River. Highway 730 to milepost 184.1, turn N on Brownell Blvd(100 yds W of I-82), go E 0.1 mi to McNary Wild Nature Area, turn N to ponds and rivers. | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297544
| OR | Umatilla | McNary Channel Ponds, 1 mile west of McNary Dam on Columbia River. Highway 730 to milepost 184.1, turn N on Brownell Blvd(100 yds W of I-82), go E 0.1 mi to McNary Wild Nature Area, turn N to ponds and rivers. | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
41435
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |
297548
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
297557
| OR | Umatilla | McNary Pool (Lake Wallula), on Columbia River above McNary Dam | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |