| Blair Reservoir Dam | Benton, WA | 5.1 miles | SW |
| Columbia Park Dam | Benton, WA | 6.4 miles | NW |
| Ice Harbor Lock and Dam | Walla Walla, WA | 7.1 miles | NE |
| Pat Owens Dam | Benton, WA | 11 miles | SW |
| Meadow Springs Dam | Benton, WA | 12.2 miles | NW |
| Burlingame Dam | Benton, WA | 13 miles | SW |
| Coffin Sheep Dam | Benton, WA | 13.6 miles | SW |
| Coffin Sheep Dam Number Three | Benton, WA | 17.8 miles | SW |
| McNary Dam | Umatilla, OR | 22.8 miles | SW |
| McNary Dam | Benton, WA | 22.8 miles | SW |
| Horn Rapids Dam | Benton, WA | 23.1 miles | NW |
| McNary Lock and Dam | Umatilla, OR | 23.1 miles | SW |
| Ringold Springs Fish Pond Dam | Franklin, WA | 24.4 miles | NW |
| Ringold Pond Dam | Franklin, WA | 24.7 miles | NW |
| Cold Springs Dam | Umatilla, OR | 24.7 miles | SW |
| Walchli Dam | Umatilla, OR | 24.8 miles | SW |
| Bernsens 810 Reservoir Dam Number Two | Franklin, WA | 25.5 miles | NW |
| Bernsens 810 Reservoir Dam Number Three | Franklin, WA | 25.5 miles | NW |
| Bernsens 810 Reservoir Dam Number One | Franklin, WA | 25.6 miles | NW |
| Bernsens Duck Pond Dam | Franklin, WA | 25.8 miles | NW |
| Threemile Falls Diversion Works | Umatilla, OR | 26.6 miles | SW |
| Stiller Dam | Walla Walla, WA | 27.8 miles | SE |
| Blalock Lake Dam | Walla Walla, WA | 30.3 miles | SE |
| Bernsen Dam | Franklin, WA | 30.6 miles | NW |
| Snakebite Reservoir Dam | Franklin, WA | 31.1 miles | NW |
| Lamb-Weston Dam | Franklin, WA | 32 miles | NE |
| Robison Dam | Walla Walla, WA | 32.1 miles | SE |
| Westland Dam | Umatilla, OR | 33.7 miles | SW |
| Lower Monumental Dam | Franklin, WA | 33.8 miles | NE |
| Cold Springs Diversion Dam | Umatilla, OR | 34 miles | SW |
| North Scooteney Dike Dam | Franklin, WA | 35.8 miles | NW |
| Prosser Dam | Benton, WA | 36.5 miles | NW |
| Twin Reservoirs Dam | Walla Walla, WA | 36.9 miles | SE |
| Mill Creek Dam | Walla Walla, WA | 37 miles | SE |
| Mill Creek Diversion Dam | Walla Walla, WA | 37.1 miles | SE |
| Poplar Springs Dam | Umatilla, OR | 41.5 miles | SE |
| Sandpiper Farms Leveling Pond Dam | Benton, WA | 41.7 miles | SW |
| Byron Ponds Dam | Yakima, WA | 42 miles | SW |
| McKay Dam | Umatilla, OR | 42.3 miles | SE |
| Marvin Eberle Dam | Yakima, WA | 43.1 miles | NW |
| Dayton Lumber Company Mill Dam | Columbia, WA | 43.7 miles | NE |
| Taggares Dam Number Two | Adams, WA | 44.5 miles | NW |
| Taggares Dam Number Three | Adams, WA | 44.7 miles | NW |
| Taggares Dam Number Four | Adams, WA | 44.7 miles | NW |
| Taggares Dam Number One | Adams, WA | 44.8 miles | NW |
| Lake West Dam | Franklin, WA | 45.6 miles | NE |
| Lyons Dam | Franklin, WA | 46.2 miles | NE |
| Rock Check IV-6 Dam | Adams, WA | 48.4 miles | NW |
| Rock Check IV-15 Dam | Adams, WA | 48.5 miles | NW |
| Rock Check IV-13 Dam | Adams, WA | 48.6 miles | NW |
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