Largest Reservoirs in Missouri

Missouri has 5349 dams with recorded storage capacity. The largest is Harry S. Truman Dam - Sterett Creek Dike with 5,202,000 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	Harry S. Truman Dam - Sterett Creek Dike	Benton	5,202,000	98	Flood Risk Reduction	1978
2	Table Rock Dam	Taney	3,462,000	260	Flood Risk Reduction	1959
3	Bagnell	Miller	2,677,000	148	Hydroelectric	1931
4	Clarence Cannon Dam - Saddle Dam	Ralls	1,862,000	22	Flood Risk Reduction	1983
5	Stockton Dam	Cedar	1,674,000	153	Flood Risk Reduction	1969
6	Wappapello Dam - Saddle Dike 1	Wayne	1,134,600	114	Flood Risk Reduction	1941
7	Pomme De Terre Dam	Hickory	650,000	155	Flood Risk Reduction	1961
8	Clearwater Dam	Wayne	413,000	155	Flood Risk Reduction	1942
9	Thomas Hill Reservoir Dam	Randolph	260,458	70	Flood Risk Reduction	1966
10	Smithville Dam	Clay	246,500	105	Flood Risk Reduction	1979
11	Mississippi River Lock And Dam 25	Lincoln	176,000	75	Navigation	1939
12	Mississippi River Lock And Dam 24	Calhoun	125,363	76	Navigation	1940
13	Long Branch Dam	Macon	98,000	80	Flood Risk Reduction	1978
14	Mississippi River Lock And Dam 22	Ralls	80,000	32	Navigation	1938
15	Mississippi River Lock And Dam 21	Adams	62,000	48	Navigation	1938
16	Mississippi River Lock And Dam 20	Adams	58,000	37	Navigation	1936
17	St. Joe State Park Dam	St. Francois	54,166	134	Tailings	1965
18	Caney Basin Dam	Scott	51,100	47	Flood Risk Reduction	1910
19	Longview Dam	Jackson	46,900	125	Flood Risk Reduction	1985
20	Lake Jacomo Dam	Jackson	38,620	74	Recreation	1956
21	Ozark Beach	Taney	38,200	54	Hydroelectric	1913
22	Fellows Lake Dam	Greene	36,368	102	Water Supply	1955
23	Montrose Lake Dam	Henry	30,014	33	Recreation	1955
24	Lake Thunderhead Dam	Putnam	28,690	54	Recreation	1965
25	Blue Springs Dam	Jackson	26,950	70	Flood Risk Reduction	1988
26	Lake Viking Dam	Daviess	25,075	85	Water Supply	1967
27	Sweetwater Tailings Dam	Reynolds	23,467	130	Tailings	1980
28	South Levee Dam	Holt	22,210	12	Fish and Wildlife Pond	1937
29	Lake Springfield Dam	Greene	20,077	45	Water Supply	1956
30	Wilson,david R.,dam	Shelby	19,661	30	Recreation	1973
31	Silver Lake Dam	Chariton	19,575	12	Fish and Wildlife Pond	1937
32	Forest Lake Dam	Adair	15,961	66	Recreation	1951
33	Swan Lake Dam	Chariton	14,862	14	Fish and Wildlife Pond	1937
34	Lake St. Louis Dam	St. Charles	14,650	47	Recreation	1973
35	Alpine Lake Dam	Warren	14,260	118	Recreation	2000
36	Bear Creek Dam	Ralls	14,155	65	Flood Risk Reduction	1962
37	Sioux Power Plant Dam	St. Charles	14,039	21
38	Goose Creek Lake Dam	Ste. Genevieve	13,782	139	Recreation	1986
39	Lake Winnebago Dam Expansion	Cass	13,700	63
40	Harrisonville City Lake Dam	Cass	13,520	55	Recreation	1971
41	Swan Lake Levee #2 Dam	Chariton	13,000	13	Fish and Wildlife Pond	1937
42	Little Otter Creek Lo-1 Lake Dam	Caldwell	12,963	82
43	Lake Lotawana Dam	Jackson	11,568	58	Recreation	1928
44	West Fork Of Big Creek C-1 Dam	Harrison	9,994	49	Flood Risk Reduction	1992
45	Duck Creek-state Wildlife Refuge-# 1	Stoddard	9,855	10	Other	1953
46	Hazel Creek Dam	Adair	9,600	65	Recreation	1982
47	Nehai Tonkayea Lake Dam	Chariton	9,100	65	Recreation	1970
48	Eaton Tailings Dam	St. Francois	8,900	58	Other	1955
49	Indian Hills Lake Dam	Crawford	8,875	50	Recreation	1960
50	Queen Mary Dam	Iron	8,407	66	Other	1959

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