# List of dams in the Missouri River watershed

This is a list of dams in the watershed of the Missouri River, a tributary of the Mississippi River, in the United States. There are an estimated 17,200 dams and reservoirs in the basin, most of which are small, local irrigation structures. Reservoirs in the watershed total a capacity of approximately 141,000,000 acre-feet (174 km$^3$).

## Mainstem dams

| Name | State | Reservoir | Height | Height | Storage capacity | Storage capacity | Capacity (MW) |
| | | | ft | m | acre.ft | km$^3$ | |
| Toston Dam | MT | | 56 | 17 | 3,000 | 0.004 | 10 |
| Canyon Ferry Dam | MT | Canyon Ferry Lake | 225 | 69 | 1,973,000 | 2.434 | 50 |
| Hauser Dam | MT | Hauser Lake | 80 | 24 | 98,000 | 0.121 | 19 |
| Holter Dam | MT | Holter Lake | 124 | 38 | 243,000 | 0.300 | 48 |
| Black Eagle Dam | MT | Long Pool | 13 | 4 | 2,000 | 0.002 | 21 |
| Rainbow Dam | MT | | 29 | 9 | 1,000 | 0.001 | 36 |
| Cochrane Dam | MT | | 59 | 18 | 3,000 | 0.004 | 64 |
| Ryan Dam | MT | | 61 | 19 | 5,000 | 0.006 | 60 |
| Morony Dam | MT | | 59 | 18 | 3,000 | 0.004 | 48 |
| Fort Peck Dam | MT | Fort Peck Lake | 250 | 76 | 18,690,000 | 23.053 | 185 |
| Garrison Dam | ND | Lake Sakakawea | 210 | 64 | 23,800,000 | 29.356 | 515 |
| Oahe Dam | SD | Lake Oahe | 245 | 75 | 23,500,000 | 28.986 | 786 |
| Big Bend Dam | SD | Lake Sharpe | 95 | 29 | 1,910,000 | 2.356 | 493 |
| Fort Randall Dam | SD | Lake Francis Case | 165 | 50 | 5,700,000 | 7.031 | 320 |
| Gavins Point Dam | NE SD | Lewis and Clark Lake | 74 | 23 | 492,000 | 0.607 | 132 |

## Tributary dams

All tributary dams with a storage capacity greater than 250,000 acre-feet (0.31 km$^3$) are listed in the table below.
| Name | State | River | Reservoir | Height | Height | Storage capacity | Storage capacity | Capacity (MW) |
| | | | | ft | m | acre.ft | km$^3$ | |
| Bagnell Dam | MO | Osage | Lake of the Ozarks | 148 | 45 | 1,927,000 | 2.377 | 215 |
| Boysen Dam | WY | Wind | Boysen Reservoir | 220 | 67 | 952,400 | 1.175 | 15 |
| Buffalo Bill Dam | WY | Shoshone | Buffalo Bill Reservoir | 350 | 110 | 623,557 | 0.769 | 30.5 |
| Chatfield Dam | CO | South Platte | Chatfield Reservoir | 147 | 45 | 350,000 | 0.432 | 0 |
| Clark Canyon Dam | MT | Jefferson | Clark Canyon Reservoir | 148 | 45 | 325,324 | 0.401 | 0 |
| Glendo Dam | WY | North Platte | Glendo Reservoir | 190 | 58 | 1,170,505 | 1.444 | 38 |
| Harry S. Truman Dam | MO | Osage | Truman Reservoir | 126 | 38 | 5,408,600 | 6.671 | 160 |
| Hebgen Dam | MT | Madison | Hebgen Lake | 85 | 26 | 325,000 | 0.401 | 0 |
| Keyhole Dam | WY | Belle Fourche | Keyhole Reservoir | 168 | 51 | 334,200 | 0.412 | 0 |
| Kingsley Dam | NE | North Platte | Lake McConaughy | 162 | 49 | 1,740,000 | 2.146 | 51.9 |
| Melvern Dam | KS | Marais des Cygnes | Melvern Reservoir | 125 | 38 | 355,300 | 0.438 | 0 |
| Milford Dam | KS | Republican | Milford Lake | 90 | 27 | 1,125,200 | 1.387 | 0 |
| Pathfinder Dam | WY | North Platte | Pathfinder Reservoir | 214 | 65 | 1,016,500 | 1.254 | 66.8 |
| Perry Dam | KS | Delaware | Perry Lake | 151 | 46 | 1,417,700 | 1.749 | 0 |
| Pomme de Terre Dam | MO | Pomme de Terre | Pomme de Terre Lake | 155 | 47 | 650,000 | 0.802 | 0 |
| Seminoe Dam | WY | North Platte | Seminoe Reservoir | 295 | 90 | 1,017,279 | 1.255 | 45 |
| Stockton Dam | MO | Sac | Stockton Lake | 131 | 40 | 1,674,000 | 2.065 | 52 |
| Tiber Dam | MT | Marias | Lake Elwell | 211 | 64 | 1,515,000 | 1.869 | 10 |
| Tuttle Creek Dam | KS | Big Blue | Tuttle Creek Lake | 137 | 42 | 3,185,700 | 3.929 | 0 |
| Wilson Dam | KS | Saline | Wilson Lake | 130 | 40 | 736,000 | 0.908 | 0 |
| Yellowtail Dam | MT | Bighorn | Bighorn Lake | 525 | 160 | 1,381,189 | 1.704 | 250 |