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Reservoir	Location	% Full	SWE % of Avg	Full Capacity (kaf)	Total Capacity (kaf)	Outflow (cfs)
Angostura Reservoir	SD	95	n/a	123	123	1
Alcova Reservoir	WY	92	n/a	184	184	n/a
Lake Altus	OK	41	n/a	129	149	0
Lake Alice Reservoir	NE	1	n/a	11	11	n/a
Arbuckle Reservoir	OK	97	n/a	72	108	n/a
Buffalo Bill Reservoir	WY	74	85	647	647	1424
Bighorn Lake (Yellowtail)	MT	82	0	1011	1279	5217
Box Butte Reservoir	NE	66	n/a	29	29	n/a
Belle Fourche Reservoir	SD	94	n/a	173	173	0
Bull Lake Reservoir	WY	48	89	152	152	32
Bonny Lake	CO	0	n/a	41	170	2
Boysen Reservoir	WY	79	94	742	893	2216
Calamus Reservior	NE	95	n/a	127	127	n/a
Carter Lake Reservoir	CO	76	n/a	112	112	n/a
Cedar Bluff Reservoir	KS	41	n/a	172	364	0
Choke Canyon Reservoir	TX	25	n/a	695	695	n/a
Clark Canyon Reservoir	MT	100	83	174	253	301
Canyon Ferry Lake	MT	85	72	1892	1993	3558
Cheney Reservoir	KS	75	n/a	167	248	n/a
Fort Cobb Reservoir	OK	98	n/a	74	136	n/a
Davis Creek Reservoir	NE	41	n/a	31	31	n/a
Deerfield Reservoir	SD	97	n/a	16	16	15
E. A. Patterson Lake	ND	91	n/a	9	9	10
Enders Reservoir	NE	20	n/a	43	73	2
Flatiron Reservoir	CO	70	n/a	1	1	n/a
Foss Reservoir	OK	97	n/a	169	350	n/a
Fresno Reservoir	MT	37	100	93	93	41
Gibson Reservoir	MT	31	58	99	99	117
Glendo Reservoir	WY	80	82	517	789	n/a
Lake Granby	CO	86	n/a	540	540	n/a
Green Mountain Reservoir	CO	49	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	48	n/a	36	85	2
Harlan County Lake	NE	78	n/a	314	814	0
Hebgen Lake	MT	86	69	386	400	834
Horsetooth Reservoir	CO	80	n/a	157	157	n/a
Harry Strunk Lake (Medicine Creek)	NE	97	n/a	36	88	100
Helena Valley Reservoir	MT	75	n/a	10	10	n/a
Jamestown Reservoir	ND	100	n/a	32	221	82
Keyhole Reservoir	WY	69	n/a	189	329	0
Kortes Reservoir	WY	n/a	n/a	5	5	n/a
Keith Sebelius Lake (Norton Dam)	KS	53	n/a	35	134	1
Kirwin Reservoir	KS	63	n/a	98	313	0
Little Lake Alice Reservoir	NE	n/a	n/a	1	1	n/a
Lake Elwell (Tiber Reservoir)	MT	78	40	926	1329	409
Lima Reservoir	MT	90	73	84	100	67
Lake Minatare Reservoir	NE	31	n/a	59	59	n/a
Lake Tschida	ND	98	n/a	67	214	121
Lovewell Reservoir	KS	94	n/a	36	86	0
Marys Lake	CO	56	n/a	1	1	n/a
McGee Creek	OK	100	n/a	114	199	n/a
Merritt Reservoir	NE	96	n/a	67	67	n/a
Lake Nasworthy	TX	85	n/a	11	12	n/a
Nelson Reservoir	MT	95	n/a	79	79	0
Lake Thunderbird (Norman Dam)	OK	102	n/a	106	177	n/a
Lake Estes (Olympus Dam)	CO	71	n/a	3	3	n/a
Pathfinder Reservoir	WY	68	n/a	1070	1070	n/a
Pilot Butte Reservoir	WY	86	n/a	34	34	134
Pinewood Reservoir	CO	69	n/a	2	2	n/a
Pipestem Lake	ND	149	n/a	9	142	0
Pishkun Reservoir	MT	75	n/a	47	47	n/a
Pactola Reservoir	SD	95	n/a	56	99	36
Pueblo Reservoir	CO	75	n/a	323	350	n/a
Ruedi Reservoir	CO	67	n/a	102	102	n/a
Lake Meredith (Sanford Dam)	TX	29	n/a	896	1358	n/a
Seminoe Reservoir	WY	64	107	1017	1017	n/a
Shadow Mountain Reservoir	CO	92	n/a	18	18	n/a
Lake Sherburne	MT	70	75	66	66	596
Shadehill Reservoir	SD	84	n/a	120	350	23
Swift Reservoir	MT	n/a	n/a	30	36	n/a
Tom Steed Reservoir (Mtn Park Dam)	OK	64	n/a	97	117	n/a
Swanson Lake (Trenton Dam)	NE	60	n/a	110	244	1
Twin Buttes Reservoir	TX	15	n/a	186	640	n/a
Turquoise Lake (Sugarloaf Dam)	CO	60	n/a	129	129	n/a
Twin Lakes Reservoir	CO	72	n/a	141	141	n/a
Waconda Lake (Glen Elder Dam)	KS	72	n/a	219	942	16
Webster Reservoir	KS	44	n/a	76	259	0
Winters Creek Reservoir	NE	n/a	n/a	3	3	n/a
Willow Creek Reservoir	MT	71	n/a	32	32	0
Willow Creek Reservoir	CO	69	n/a	11	11	n/a

Last Updated: 4/19/2024