Largest Reservoirs in Oklahoma

Oklahoma has 4965 dams with recorded storage capacity. The largest is Eufaula Dam with 3,825,400 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	Eufaula Dam	Haskell	3,825,400	114	Flood Risk Reduction	1964
2	Denison Dam - Platter Dike	Bryan	2,459,975	12	Flood Risk Reduction	1945
3	Pensacola	Mayes	2,197,000	155	Hydroelectric	1940
4	Keystone Dam - Cleveland Levee	Pawnee	1,672,613	34	Flood Risk Reduction	1964
5	Broken Bow Dam - Reregulation Dam	McCurtain	1,598,950	225	Flood Risk Reduction	1968
6	Oologah Dam	Rogers	1,559,270	137	Flood Risk Reduction	1963
7	Kaw Dam	Osage	1,327,160	125	Flood Risk Reduction	1976
8	Hugo Dam	Choctaw	1,274,107	101	Flood Risk Reduction	1974
9	Tenkiller Ferry Dam - Dike	Sequoyah	1,230,800	197	Flood Risk Reduction	1952
10	Great Salt Plains Dam	Alfalfa	990,200	68	Flood Risk Reduction	1941
11	Pine Creek Dam	McCurtain	968,210	124	Flood Risk Reduction	1969
12	Waurika Dam	Jefferson	935,480	106	Flood Risk Reduction	1977
13	Skiatook Dam	Osage	893,000	143	Flood Risk Reduction	1984
14	Foss Dam	Custer	816,900	142	Flood Risk Reduction	1961
15	Sardis Dam	Pushmataha	735,830	83	Flood Risk Reduction	1982
16	Optima Dam	Texas	618,500	120	Flood Risk Reduction	1978
17	Robert S. Kerr	Mayes	565,674	87	Hydroelectric	1964
18	Robert S. Kerr Lock And Dam	Le Flore	525,700	82	Navigation	1970
19	Fort Gibson Dam - Dike 11	Wagoner	464,950	8	Flood Risk Reduction	1949
20	Wister Dam	Le Flore	427,481	99	Flood Risk Reduction	1949
21	Canton Dam	Blaine	383,800	68	Flood Risk Reduction	1948
22	Norman Dam	Cleveland	367,467	144	Flood Risk Reduction	1964
23	Sooner	Pawnee	350,000	100	Other	1972
24	Copan Dam - Caney Levee	Montgomery	338,000	73	Flood Risk Reduction	1983
25	Fort Cobb Dam	Caddo	292,390	122	Flood Risk Reduction	1959
26	Mcgee Creek Dam	Atoka	290,661	161		1968
27	Hulah Dam	Osage	289,000	94	Flood Risk Reduction	1951
28	Lake Murray	Love	270,000	74	Recreation	1937
29	Arbuckle Dike 2	Murray	226,450	16	Water Supply	1966
30	Mountain Park West Dike	Kiowa	199,504	26	Flood Risk Reduction	1975
31	West Dike	Kiowa	196,000	25	Flood Risk Reduction	1975
32	East Dike	Kiowa	196,000	34	Flood Risk Reduction	1975
33	Arcadia Dam	Oklahoma	190,700	102	Flood Risk Reduction	1986
34	Lake Ellsworth	Comanche	189,200	96	Water Supply	1961
35	Webbers Falls Lock And Dam	Muskogee	170,100	84	Navigation	1970
36	Atoka Reservoir	Atoka	169,485	80	Water Supply	1957
37	Altus North Dike	Greer	168,120	45	Irrigation	1944
38	Altus East Dike	Kiowa	168,120	35	Irrigation	1944
39	Altus South Dike	Kiowa	168,120	46	Irrigation	1944
40	Altus Lugert Dike	Kiowa	168,120	47	Irrigation	1944
41	Altus Auxiliary Dike	Kiowa	168,120	23	Irrigation	1944
42	Altus Dam	Kiowa	162,025	110	Flood Risk Reduction	1944
43	Stanley Draper	Cleveland	148,000	111	Water Supply	1962
44	Lake Carl Blackwell	Payne	119,040	72	Water Supply	1937
45	Scs-stillwater Creek Site-23	Payne	119,040	45	Water Supply	1932
46	Eucha	Delaware	119,000	95	Water Supply	1952
47	Birch Dam	Osage	111,100	97	Flood Risk Reduction	1977
48	Hefner	Oklahoma	107,400	112	Water Supply	1943
49	Fort Supply Dam	Woodward	100,700	82	Flood Risk Reduction	1942
50	Lawtonka Lake	Comanche	88,665	90	Water Supply	1939

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