Largest Reservoirs in Utah

Utah has 583 dams with recorded storage capacity. The largest is Flaming Gorge Dam with 4,005,200 acre-feet of maximum storage. One acre-foot equals about 326,000 gallons — enough to supply roughly two households for a year.

#	Dam	County	Max Storage (acre-ft)	Height (ft)	Purpose	Year
1	Flaming Gorge Dam	Daggett	4,005,200	502	Flood Risk Reduction	1964
2	Soldier Creek Dam	Wasatch	1,106,500	272	Irrigation	1974
3	North Tailings	Tooele	537,000	60	Tailings
4	Jordanelle Dam	Wasatch	363,354	391	Water Supply	1993
5	Sevier Bridge	Juab	363,000	92	Irrigation	1914
6	Arthur V. Watkins Dam	Box Elder	223,000	38	Irrigation	1964
7	Starvation Dam	Duchesne	186,990	210	Irrigation	1970
8	Deer Creek Dam	Wasatch	161,070	240	Irrigation	1941
9	Piute	Piute	136,855	90	Irrigation	1938
10	Pineview Dam	Weber	116,000	137	Irrigation	1937
11	Wanship Dam	Summit	75,730	175	Irrigation	1957
12	Joes Valley	Emery	74,237	192	Irrigation	1966
13	Echo Dam	Summit	73,940	161	Flood Risk Reduction	1931
14	Scofield Dam	Carbon	73,600	125	Irrigation	1946
15	Otter Creek	Piute	71,790	43	Irrigation	1897
16	Sand Hollow West Dam	Washington	60,958	51	Water Supply	2002
17	Sand Hollow North Dam	Washington	60,958	98	Water Supply	2002
18	East Canyon Dam	Morgan	58,350	260	Flood Risk Reduction	1966
19	Moon Lake Dam	Duchesne	49,500	101	Irrigation	1938
20	Quail Creek	Washington	45,050	209	Irrigation	1984
21	Steinaker Dam	Uintah	40,358	162	Irrigation	1961
22	Rocky Ford (beaver)	Beaver	38,733	68	Irrigation	1914
23	Quail Creek South Dam	Washington	37,000	80	Water Supply	1990
24	Pacificorp - Electric Lake	Emery	35,500	229	Water Supply	1974
25	Upper Stillwater Dam	Duchesne	35,253	292	Irrigation	1987
26	Gunnison	Sanpete	33,000	42	Irrigation	1889
27	Mona	Juab	30,000	28	Irrigation	1895
28	Lost Creek Dam	Morgan	26,760	248	Irrigation	1966
29	Big Sand Wash Dam	Duchesne	26,500	142	Irrigation	1968
30	Red Fleet Dam	Uintah	26,000	161	Fish and Wildlife Pond	1980
31	Little Dell	Salt Lake	25,000	224	Water Supply	1993
32	Panguitch Lake	Garfield	23,550	28	Irrigation	1872
33	Dmad	Millard	21,887	37	Irrigation	1959
34	Millsite	Emery	20,000	115	Irrigation	1971
35	Big Sand Wash West	Duchesne	19,600	55	Irrigation	2006
36	Hyrum Dam	Cache	18,685	116	Irrigation	1935
37	Fool Creek No. 1	Millard	17,781	24	Irrigation	1948
38	Big Sand Wash East	Duchesne	16,900	52	Irrigation	2006
39	Long Park (daggett)	Daggett	16,658	112	Irrigation	1980
40	Stateline Dam	Summit	15,932	143	Irrigation	1979
41	Pelican Lake	Uintah	15,850	12	Irrigation	1967
42	Currant Creek Dam	Wasatch	15,671	177	Fish and Wildlife Pond	1975
43	Cutler	Box Elder	15,300	126	Irrigation	1927
44	Gunlock	Washington	15,041	117	Irrigation	1970
45	Porcupine	Cache	15,000	181	Irrigation	1962
46	Johnson	Sevier	14,770	31	Irrigation	1910
47	Grass Valley	Washington	13,333	75	Flood Risk Reduction	1917
48	Pruess Lake	Millard	12,851	30	Irrigation	1900
49	Recapture Creek	San Juan	12,400	142	Irrigation	1984
50	Enterprise (upper)	Washington	12,300	91	Irrigation	1912

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