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Reservoir
Location
% Full
SWE % of Avg
Full Capacity (kaf)
Total Capacity (kaf)
Outflow (cfs)
Angostura Reservoir
SD
n/a
n/a
123
123
n/a
Alcova Reservoir
WY
n/a
n/a
184
184
n/a
Lake Altus
OK
n/a
n/a
129
149
n/a
Lake Alice Reservoir
NE
n/a
n/a
11
11
n/a
Arbuckle Reservoir
OK
n/a
n/a
72
108
n/a
Buffalo Bill Reservoir
WY
n/a
85
647
647
n/a
Bighorn Lake (Yellowtail)
MT
n/a
0
1011
1279
n/a
Box Butte Reservoir
NE
n/a
n/a
29
29
n/a
Belle Fourche Reservoir
SD
n/a
n/a
173
173
n/a
Bull Lake Reservoir
WY
n/a
89
152
152
n/a
Bonny Lake
CO
n/a
n/a
41
170
n/a
Boysen Reservoir
WY
n/a
94
742
893
n/a
Calamus Reservior
NE
n/a
n/a
127
127
n/a
Carter Lake Reservoir
CO
n/a
n/a
112
112
n/a
Cedar Bluff Reservoir
KS
n/a
n/a
172
364
n/a
Choke Canyon Reservoir
TX
n/a
n/a
695
695
n/a
Clark Canyon Reservoir
MT
n/a
83
174
253
n/a
Canyon Ferry Lake
MT
n/a
72
1892
1993
n/a
Cheney Reservoir
KS
n/a
n/a
167
248
n/a
Fort Cobb Reservoir
OK
n/a
n/a
74
136
n/a
Davis Creek Reservoir
NE
n/a
n/a
31
31
n/a
Deerfield Reservoir
SD
n/a
n/a
16
16
n/a
E. A. Patterson Lake
ND
n/a
n/a
9
9
n/a
Enders Reservoir
NE
n/a
n/a
43
73
n/a
Flatiron Reservoir
CO
n/a
n/a
1
1
n/a
Foss Reservoir
OK
n/a
n/a
169
350
n/a
Fresno Reservoir
MT
n/a
100
93
93
n/a
Gibson Reservoir
MT
n/a
58
99
99
n/a
Glendo Reservoir
WY
n/a
82
517
789
n/a
Lake Granby
CO
n/a
n/a
540
540
n/a
Green Mountain Reservoir
CO
n/a
n/a
154
154
n/a
Gray Reef Reservoir
WY
n/a
n/a
2
2
n/a
Guernsey Reservoir
WY
n/a
n/a
46
46
n/a
Hugh Butler Lake (Red Willow Dam)
NE
n/a
n/a
36
85
n/a
Harlan County Lake
NE
n/a
n/a
314
814
n/a
Hebgen Lake
MT
n/a
69
386
400
n/a
Horsetooth Reservoir
CO
n/a
n/a
157
157
n/a
Harry Strunk Lake (Medicine Creek)
NE
n/a
n/a
36
88
n/a
Helena Valley Reservoir
MT
n/a
n/a
10
10
n/a
Jamestown Reservoir
ND
n/a
n/a
32
221
n/a
Keyhole Reservoir
WY
n/a
n/a
189
329
n/a
Kortes Reservoir
WY
n/a
n/a
5
5
n/a
Keith Sebelius Lake (Norton Dam)
KS
n/a
n/a
35
134
n/a
Kirwin Reservoir
KS
n/a
n/a
98
313
n/a
Little Lake Alice Reservoir
NE
n/a
n/a
1
1
n/a
Lake Elwell (Tiber Reservoir)
MT
n/a
40
926
1329
n/a
Lima Reservoir
MT
n/a
73
84
100
n/a
Lake Minatare Reservoir
NE
n/a
n/a
59
59
n/a
Lake Tschida
ND
n/a
n/a
67
214
n/a
Lovewell Reservoir
KS
n/a
n/a
36
86
n/a
Marys Lake
CO
n/a
n/a
1
1
n/a
McGee Creek
OK
n/a
n/a
114
199
n/a
Merritt Reservoir
NE
n/a
n/a
67
67
n/a
Lake Nasworthy
TX
n/a
n/a
11
12
n/a
Nelson Reservoir
MT
n/a
n/a
79
79
0
Lake Thunderbird (Norman Dam)
OK
n/a
n/a
106
177
n/a
Lake Estes (Olympus Dam)
CO
n/a
n/a
3
3
n/a
Pathfinder Reservoir
WY
n/a
n/a
1070
1070
n/a
Pilot Butte Reservoir
WY
n/a
n/a
34
34
n/a
Pinewood Reservoir
CO
n/a
n/a
2
2
n/a
Pipestem Lake
ND
n/a
n/a
9
142
n/a
Pishkun Reservoir
MT
n/a
n/a
47
47
n/a
Pactola Reservoir
SD
n/a
n/a
56
99
n/a
Pueblo Reservoir
CO
n/a
n/a
323
350
n/a
Ruedi Reservoir
CO
n/a
n/a
102
102
n/a
Lake Meredith (Sanford Dam)
TX
n/a
n/a
896
1358
n/a
Seminoe Reservoir
WY
n/a
107
1017
1017
n/a
Shadow Mountain Reservoir
CO
n/a
n/a
18
18
n/a
Lake Sherburne
MT
n/a
75
66
66
n/a
Shadehill Reservoir
SD
n/a
n/a
120
350
n/a
Swift Reservoir
MT
n/a
n/a
30
36
n/a
Tom Steed Reservoir (Mtn Park Dam)
OK
n/a
n/a
97
117
n/a
Swanson Lake (Trenton Dam)
NE
n/a
n/a
110
244
n/a
Twin Buttes Reservoir
TX
n/a
n/a
186
640
n/a
Turquoise Lake (Sugarloaf Dam)
CO
n/a
n/a
129
129
n/a
Twin Lakes Reservoir
CO
n/a
n/a
141
141
n/a
Waconda Lake (Glen Elder Dam)
KS
n/a
n/a
219
942
n/a
Webster Reservoir
KS
n/a
n/a
76
259
n/a
Winters Creek Reservoir
NE
n/a
n/a
3
3
n/a
Willow Creek Reservoir
MT
n/a
n/a
32
32
n/a
Willow Creek Reservoir
CO
n/a
n/a
11
11
n/a
Last Updated: 4/20/2024