1 | Hoover | Lake Mead | Nevada | 34850000 | 1936 |
2 | Glen Canyon | lake Powell | Arizona | 33300000 | 1966 |
3 | Garrison | Lake Sakakawea | North Dakota | 27920000 | 1953 |
4 | Oahe | Lake Oahe | South Dakota | 27430000 | 1958 |
5 | Fort Peck | Fort Peck Lake | Montana | 22120000 | 1937 |
6 | Grand Coulee | F.D.Roosevelt Lake | Washington | 11790000 | 1942 |
7 | Libby | Lake Koocanusa | Montana | 7170000 | 1973 |
8 | Fort Randall | Lake Francis Case | South Dakota | 5700000 | 1952 |
9 | Shasta | lake Shasta | California | 5610000 | 1945 |
10 | Toledo Bend | Toledo Bend Lake | Lousiana | 5520000 | 1968 |
Source: USCOLD Register of Dams