Louisiana has 748 dams with recorded heights. The tallest is Toledo Bend at 135 feet. Taller dams impound more water and carry greater potential energy, which is why height is a key factor in hazard classification and inspection requirements.
| # | Dam | County | Height (ft) | Type | Purpose | Hazard | Year |
|---|---|---|---|---|---|---|---|
| 1 | Toledo Bend | Sabine | 135 | Earth | Hydroelectric | High | 1966 |
| 2 | Old River | Concordia | 134 | Concrete | Hydroelectric | High | 1990 |
| 3 | Red River Lock and Dam 3 | Natchitoches | 134 | Gravity | Navigation | Significant | 1991 |
| 4 | Joe D. Waggonner, Jr. Lock and Dam | Caddo | 122 | Gravity | Navigation | Significant | 1985 |
| 5 | Lindy Claiborne Boggs Lock and Dam | Catahoula | 110 | Gravity | Navigation | Significant | 1985 |
| 6 | Russell B. Long Lock and Dam | Red River | 110 | Gravity | Navigation | Significant | 1995 |
| 7 | John H. Overton Lock and Dam | Rapides | 104 | Gravity | Navigation | Significant | 1987 |
| 8 | Jonesville Lock and Dam | Catahoula | 94 | Gravity | Navigation | Significant | 1972 |
| 9 | Columbia Lock and Dam | Caldwell | 90 | Gravity | Navigation | Significant | 1970 |
| 10 | Lake Claiborne | Claiborne | 82 | Earth | Recreation | High | 1966 |
| 11 | Bagley Pond | De Soto | 80 | Earth | Irrigation | Low | 1940 |
| 12 | Caney Creek Dam | Jackson | 78 | Earth | Recreation | High | 1986 |
| 13 | Bayou Bodcau Dam | Bossier | 76 | Earth | Flood Risk Reduction | High | 1949 |
| 14 | Mill Creek Dam | Bienville | 67 | Earth | Recreation | High | 1971 |
| 15 | Boise Cascade Mill | Vernon | 65 | Earth | Water Supply | Low | 1969 |
| 16 | Catahoula Lake Control Structure | LaSalle | 61 | Earth | Fish and Wildlife Pond | Low | 1972 |
| 17 | Vernon Lake Dam | Vernon | 60 | Earth | Recreation | High | 1961 |
| 18 | Kincaid Reservoir | Rapides | 56 | Earth | Recreation | High | 1972 |
| 19 | Little River Closure Dam | Catahoula | 55 | Earth | Navigation | Low | 1972 |
| 20 | Grand Bayou Reservoir | Red River | 54 | Earth | Water Supply | High | 1994 |
| 21 | Bayou Darbonne Dam and Reservoir | Union | 54 | Earth | Water Supply | High | 1961 |
| 22 | Cypress Bayou No 1 | Bossier | 53 | Earth | Flood Risk Reduction | High | 1959 |
| 23 | Dolet Hills Make-up Water Pond | De Soto | 53 | Earth | Water Supply | High | 1985 |
| 24 | Gum Springs | Winn | 52 | Earth | Other | Low | 2007 |
| 25 | Cross Lake Dam and Spillway | Caddo | 50 | Earth | Water Supply | High | 1925 |
| 26 | Cypress Black Bayou Site 1 | Bossier | 49 | Earth | Irrigation | High | 1975 |
| 27 | New Arkla Pond | Caddo | 48 | Earth | Recreation | Low | 1955 |
| 28 | Caddo Dam | Caddo | 48 | Concrete | Navigation | Low | 1971 |
| 29 | Wallace Lake Dam | Caddo | 48 | Earth | Flood Risk Reduction | High | 1946 |
| 30 | Kirby Dam | De Soto | 48 | Concrete | Recreation | Low | 1946 |
| 31 | Wind Lake Dam | Ouachita | 48 | Earth | Recreation | Significant | 1985 |
| 32 | Indian Creek Dam | Rapides | 48 | Earth | Recreation | High | 1972 |
| 33 | Cotile Lake Dam | Rapides | 47 | Earth | Recreation | High | 1965 |
| 34 | Hodges Garden | Sabine | 47 | Earth | Recreation | Low | 1954 |
| 35 | Bundick Creek Dam | Beauregard | 46 | Earth | Recreation | High | 1963 |
| 36 | Lake Bistineau | Bossier | 46 | Earth | Recreation | High | 1941 |
| 37 | Cane River Lake Dam Lower Embankment | Natchitoches | 44 | Earth | Flood Risk Reduction | Low | 1955 |
| 38 | Black Lake Bayou Reservoir | Natchitoches | 44 | Earth | Recreation | High | 1990 |
| 39 | Poverty Point Reservoir Dam | Richland | 44 | Earth | Water Supply | High | 1998 |
| 40 | Cypress Bayou No 2 | Bossier | 43 | Earth | Flood Risk Reduction | High | 1960 |
| 41 | Foursome Lake Dam | Lincoln | 43 | Earth | Recreation | Low | 1949 |
| 42 | Lower Anacoco Dam | Vernon | 43 | Earth | Recreation | Low | 1951 |
| 43 | Csj Enterprises No. 2 | De Soto | 42 | Earth | Recreation | Low | |
| 44 | Cypress Black Bayou Site 2 | Bossier | 41 | Earth | Irrigation | High | 1978 |
| 45 | Nantachie Lake Dam | Grant | 41 | Earth | Recreation | Low | 1964 |
| 46 | Willow Lake Dam | De Soto | 40 | Earth | Recreation | Low | 1955 |
| 47 | Turkey Creek Dam | Franklin | 40 | Earth | Recreation | Low | 1953 |
| 48 | Simonton Dam | Lincoln | 40 | Earth | Water Supply | Low | 2013 |
| 49 | Joe Mitcham Dam | Lincoln | 40 | Earth | Recreation | Low | 1950 |
| 50 | Loring Lake | Sabine | 40 | Earth | Other | Low | 1928 |