Largest Reservoirs in Louisiana

Louisiana has 747 dams with recorded storage capacity. The largest is Toledo Bend with 5,097,500 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	Toledo Bend	Sabine	5,097,500	135	Hydroelectric	1966
2	Bayou Bodcau Dam	Bossier	1,197,700	76	Flood Risk Reduction	1949
3	Caddo Dam	Caddo	755,000	48	Navigation	1971
4	Black Lake Bayou Reservoir	Natchitoches	320,000	44	Recreation	1990
5	Lake Bistineau	Bossier	318,000	46	Recreation	1941
6	Catahoula Lake Control Structure	LaSalle	294,000	61	Fish and Wildlife Pond	1972
7	Chivery Dam	Natchitoches	280,000	37	Recreation	1934
8	Wallace Lake Dam	Caddo	267,748	48	Flood Risk Reduction	1946
9	Bayou Darbonne Dam And Reservoir	Union	240,000	54	Water Supply	1961
10	Cross Lake Dam And Spillway	Caddo	215,000	50	Water Supply	1925
11	Lake Claiborne	Claiborne	200,000	82	Recreation	1966
12	Iatt Lake Dam	Grant	167,000	36	Recreation	1956
13	False River Drainage Structure	Pointe Coupee	160,000	31	Recreation	1948
14	Columbia Lock And Dam	Caldwell	156,800	90	Navigation	1970
15	Jonesville Lock And Dam	Catahoula	149,300	94	Navigation	1972
16	Little River Closure Dam	Catahoula	149,300	55	Navigation	1972
17	Larto Lake Dam	Catahoula	126,000	38	Recreation	1959
18	Caney Creek Dam	Jackson	125,000	78	Recreation	1986
19	Saline Lake Dam	Winn	122,000	23	Recreation	1960
20	Red River Lock And Dam 3	Natchitoches	108,500	134	Navigation	1991
21	Little River Dam & Control Structure	Avoyelles	103,000	17	Recreation	1955
22	Lindy Claiborne Boggs Lock And Dam	Catahoula	100,000	110	Navigation	1985
23	Bayou Cocodrie Dam	Evangeline	100,000	28	Recreation	1959
24	Vernon Lake Dam	Vernon	99,473	60	Recreation	1961
25	Cleco Rodemacher	Rapides	89,692	25	Water Supply	1974
26	Turkey Creek Dam	Franklin	85,000	40	Recreation	1953
27	Lower Anacoco Dam	Vernon	82,500	43	Recreation	1951
28	Cypress Black Bayou Site 1	Bossier	77,000	49	Irrigation	1975
29	Russell B. Long Lock And Dam	Red River	70,500	110	Navigation	1995
30	John H. Overton Lock And Dam	Rapides	67,500	104	Navigation	1987
31	Grand Bayou Reservoir	Red River	66,000	54	Water Supply	1994
32	Joe D. Waggonner, Jr. Lock And Dam	Caddo	59,900	122	Navigation	1985
33	Bundick Creek Dam	Beauregard	57,500	46	Recreation	1963
34	Sibley Lake Dam	Natchitoches	56,700	36	Water Supply	1962
35	Cheniere Brake Dam	Ouachita	53,000	25	Recreation	1943
36	Indian Creek Dam	Rapides	51,250	48	Recreation	1972
37	Kepler Creek Dam	Bienville	50,000	37	Recreation	1958
38	Cotile Lake Dam	Rapides	49,200	47	Recreation	1965
39	Kincaid Reservoir	Rapides	48,420	56	Recreation	1972
40	Black Bayou Dam	Caddo	46,500	36	Recreation	1955
41	Smithport Lake Dam	De Soto	42,000	18	Recreation	1953
42	Bussy Brake Lake	Morehouse	39,000	15	Recreation	1954
43	Nantachie Lake Dam	Grant	35,500	41	Recreation	1964
44	Nantachie Lake Dam No. 2	Grant	35,500	29	Recreation	1961
45	Wham Brake Lake	Ouachita	34,650	10	Recreation	1950
46	Poverty Point Reservoir Dam	Richland	31,000	44	Water Supply	1998
47	Millers Lake	Evangeline	24,000	8	Recreation	1929
48	Mill Creek Dam	Bienville	21,400	67	Recreation	1971
49	Lake Providence Baxter Bayou Weir	East Carroll	21,390	10	Flood Risk Reduction	1972
50	Cypress Black Bayou Site 2	Bossier	18,000	41	Irrigation	1978

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