Browse All Dams
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Alter Lake Dam Arkansas | Low Hazard | — | 1967 | Earth | Arkansas |
| Alter Lake No 2 Dam Arkansas | Low Hazard | — | 1968 | Earth | Arkansas |
| Althiser Lake Dam Callaway | High Hazard | 25 ft | 1967 | Earth | Missouri |
| Altick Lake Dam Fannin | Low Hazard | 25 ft | 1980 | Earth | Texas |
| Altiers Lake Dam Perry | High Hazard | 19 ft | 1949 | Earth | Ohio |
| Altizer Dam Val Verde | Low Hazard | 25 ft | 1970 | Earth | Texas |
| Altman Bay Dam Hamilton | Low Hazard | 27 ft | 1970 | Earth | Florida |
| Altman Lake Dam Bulloch | Low Hazard | 20 ft | 1948 | Earth | Georgia |
| Altnow Reservoir Harney | Low Hazard | 20 ft | 1908 | Earth | Oregon |
| Alto Correctional Institute Water Supply Lake Dam Banks | Low Hazard | 39 ft | 1930 | Earth | Georgia |
| Alto Lake Dam Lincoln | High Hazard | 51 ft | 1965 | Earth | New Mexico |
| Alton Box Club Dam Shannon | Low Hazard | 30 ft | 1976 | Earth | Missouri |
| Alton Lake Dam Audrain | Low Hazard | 15 ft | 1964 | Earth | Missouri |
| Alton Lake Dam Leon | Low Hazard | 32 ft | 1977 | Earth | Texas |
| Alton Pond Washington | Significant Hazard | 19 ft | 1920 | — | Rhode Island |
| Alton Power Dam Belknap | High Hazard | 16 ft | 1923 | Concrete | New Hampshire |
| Alton Reservoir Kane | High Hazard | — | — | Earth | Utah |
| Alton Stogner Lake Dam Walthall | Low Hazard | 15 ft | — | Earth | Mississippi |
| Alton Twin Lakes-South Lake Dam Madison | Significant Hazard | 32 ft | 1970 | Earth | Illinois |
| Alton-Wood River Sportsmens Reservoir Dam Madison | High Hazard | 33 ft | 1948 | Earth | Illinois |
| Altoona Eau Claire | High Hazard | 44 ft | 1938 | Buttress | Wisconsin |
| Alto Pass Reservoir Dam Union | High Hazard | 45 ft | 1964 | Earth | Illinois |
| Altura Clear Creek | Low Hazard | 21 ft | 1904 | Earth | Colorado |
| Altus Kiowa | High Hazard | 110 ft | 1945 | Concrete | Oklahoma |
| Altus Auxiliary Dike Kiowa | High Hazard | 20 ft | 1945 | Earth | Oklahoma |
| Altus East Dike Kiowa | High Hazard | 35 ft | 1945 | Earth | Oklahoma |
| Altus Lugert Dike Kiowa | High Hazard | 47 ft | 1945 | Earth | Oklahoma |
| Altus North Dike Greer | High Hazard | 45 ft | 1945 | Earth | Oklahoma |
| Altus Reservoir Jackson | Significant Hazard | 14 ft | 1940 | Earth | Oklahoma |
| Altus South Dike Kiowa | High Hazard | 46 ft | 1945 | Earth | Oklahoma |
| Aluma Oklahoma | High Hazard | 38 ft | 1921 | Earth | Oklahoma |
| Alumax Corp Dam Berkeley | Low Hazard | 15 ft | 1962 | — | South Carolina |
| Alum Creek Dam Delaware | High Hazard | — | 1974 | Gravity | Ohio |
| Alum Creek Upground Reservoir Delaware | High Hazard | 24 ft | 1997 | Earth | Ohio |
| Alum Creek Upground Reservoir No. 2 Delaware | High Hazard | 36 ft | 2004 | Earth | Ohio |
| Aluminum Wibaux | Low Hazard | 18 ft | 1963 | Earth | Montana |
| Alum Pond Dam Worcester | Significant Hazard | 9 ft | — | Earth | Massachusetts |
| Alva Caine #1 Dallas | Low Hazard | 13 ft | 1990 | Earth | Alabama |
| Alvarez Lake Dam Starr | Low Hazard | 16 ft | 1964 | Earth | Texas |
| Alverno Cheboygan | Low Hazard | 19 ft | 1902 | Earth | Michigan |
| Alverson Pond Dam Spartanburg | High Hazard | 23 ft | 1958 | — | South Carolina |
| Alvie No. 1 Albany | Low Hazard | 38 ft | 1974 | Earth | Wyoming |
| Alvin Lincoln | Low Hazard | 36 ft | 1954 | Earth | South Dakota |
| Alvina Flaming Washita | Low Hazard | 19 ft | 1965 | — | Oklahoma |
| Alvine Dam Lake | Low Hazard | 30 ft | 1974 | Earth | South Dakota |
| Alvin Gray Dam Beauregard | Low Hazard | 15 ft | 1986 | Earth | Louisiana |
| Alvin Griffin Irrigation Pond Dam(North) Ben Hill | Low Hazard | 13 ft | — | Earth | Georgia |
| Alvin Griffin Irrigation Pond Dam(South) Ben Hill | Low Hazard | 16 ft | — | Earth | Georgia |
| Alvin Horman Stanley | Low Hazard | 26 ft | 1960 | Earth | South Dakota |
| Alvin Mixon Conecuh | Low Hazard | — | 1940 | Earth | Alabama |