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Reservoir	Location	% Full	SWE % of Avg	Full Capacity (kaf)	Total Capacity (kaf)	Outflow (cfs)
Angostura Reservoir	SD	96	n/a	123	123	1
Alcova Reservoir	WY	96	n/a	184	184	501
Lake Altus	OK	41	n/a	129	149	0
Lake Alice Reservoir	NE	14	n/a	11	11	n/a
Arbuckle Reservoir	OK	97	n/a	72	108	n/a
Buffalo Bill Reservoir	WY	73	81	647	647	1719
Bighorn Lake (Yellowtail)	MT	81	0	1011	1279	5442
Box Butte Reservoir	NE	67	n/a	29	29	n/a
Belle Fourche Reservoir	SD	94	n/a	173	173	0
Bull Lake Reservoir	WY	49	81	152	152	32
Bonny Lake	CO	0	n/a	41	170	2
Boysen Reservoir	WY	77	89	742	893	2191
Calamus Reservior	NE	94	n/a	127	127	n/a
Carter Lake Reservoir	CO	79	n/a	112	112	n/a
Cedar Bluff Reservoir	KS	41	n/a	172	364	0
Choke Canyon Reservoir	TX	24	n/a	695	695	n/a
Clark Canyon Reservoir	MT	100	74	174	253	202
Canyon Ferry Lake	MT	86	66	1892	1993	3514
Cheney Reservoir	KS	74	n/a	167	248	n/a
Fort Cobb Reservoir	OK	97	n/a	74	136	n/a
Davis Creek Reservoir	NE	49	n/a	31	31	n/a
Deerfield Reservoir	SD	97	n/a	16	16	15
E. A. Patterson Lake	ND	89	n/a	9	9	10
Enders Reservoir	NE	20	n/a	43	73	2
Flatiron Reservoir	CO	83	n/a	1	1	323
Foss Reservoir	OK	97	n/a	169	350	n/a
Fresno Reservoir	MT	41	n/a	93	93	42
Gibson Reservoir	MT	36	53	99	99	122
Glendo Reservoir	WY	80	71	517	789	1173
Lake Granby	CO	87	n/a	540	540	59
Green Mountain Reservoir	CO	50	n/a	154	154	176
Gray Reef Reservoir	WY	91	n/a	2	2	500
Guernsey Reservoir	WY	56	n/a	46	46	933
Hugh Butler Lake (Red Willow Dam)	NE	48	n/a	36	85	2
Harlan County Lake	NE	79	n/a	314	814	0
Hebgen Lake	MT	86	63	386	400	834
Horsetooth Reservoir	CO	81	n/a	157	157	16
Harry Strunk Lake (Medicine Creek)	NE	95	n/a	36	88	85
Helena Valley Reservoir	MT	87	n/a	10	10	n/a
Jamestown Reservoir	ND	99	n/a	32	221	82
Keyhole Reservoir	WY	69	n/a	189	329	0
Kortes Reservoir	WY	100	n/a	5	5	2001
Keith Sebelius Lake (Norton Dam)	KS	53	n/a	35	134	1
Kirwin Reservoir	KS	62	n/a	98	313	0
Little Lake Alice Reservoir	NE	22	n/a	1	1	n/a
Lake Elwell (Tiber Reservoir)	MT	79	51	926	1329	411
Lima Reservoir	MT	90	54	84	100	67
Lake Minatare Reservoir	NE	52	n/a	59	59	n/a
Lake Tschida	ND	97	n/a	67	214	105
Lovewell Reservoir	KS	93	n/a	36	86	0
Marys Lake	CO	89	n/a	1	1	526
McGee Creek	OK	100	n/a	114	199	n/a
Merritt Reservoir	NE	97	n/a	67	67	n/a
Lake Nasworthy	TX	86	n/a	11	12	n/a
Nelson Reservoir	MT	97	n/a	79	79	0
Lake Thunderbird (Norman Dam)	OK	101	n/a	106	177	n/a
Lake Estes (Olympus Dam)	CO	69	n/a	3	3	84
Pathfinder Reservoir	WY	69	n/a	1070	1070	1002
Pilot Butte Reservoir	WY	86	n/a	34	34	152
Pinewood Reservoir	CO	68	n/a	2	2	347
Pipestem Lake	ND	161	n/a	9	142	0
Pishkun Reservoir	MT	75	n/a	47	47	0
Pactola Reservoir	SD	95	n/a	56	99	35
Pueblo Reservoir	CO	74	n/a	323	350	n/a
Ruedi Reservoir	CO	68	n/a	102	102	154
Lake Meredith (Sanford Dam)	TX	29	n/a	896	1358	n/a
Seminoe Reservoir	WY	64	90	1017	1017	1998
Shadow Mountain Reservoir	CO	92	n/a	18	18	22
Lake Sherburne	MT	62	74	66	66	585
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	61	n/a	110	244	1
Twin Buttes Reservoir	TX	15	n/a	186	640	n/a
Turquoise Lake (Sugarloaf Dam)	CO	59	n/a	129	129	n/a
Twin Lakes Reservoir	CO	74	n/a	141	141	n/a
Waconda Lake (Glen Elder Dam)	KS	72	n/a	219	942	31
Webster Reservoir	KS	44	n/a	76	259	0
Winters Creek Reservoir	NE	27	n/a	3	3	n/a
Willow Creek Reservoir	MT	71	n/a	32	32	0
Willow Creek Reservoir	CO	70	n/a	11	11	7

Last Updated: 4/25/2024