List of dams in the Missouri River watershed
Map showing the Missouri River basin
Garrison Dam , which forms Lake Sakakawea , the largest reservoir on the Missouri River
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 km3 ).[ 1]
Mainstem dams
Name
State
Reservoir
Height
Storage capacity
Capacity (MW )
ft
m
acre.ft
km3
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 km3 ) are listed in the table below.
Name
State
River
Reservoir
Height
Storage capacity
Capacity (MW )
ft
m
acre.ft
km3
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
See also
References
Lists Geography Native American tribes History Engineering Parks and preserves
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