Browse Dams
2,549 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 2,549 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.
| Name | State | County | Height (ft) | Hazard | Condition | Year | Purpose |
|---|---|---|---|---|---|---|---|
| Grizzly Gulch Tailings Dam | South Dakota | Lawrence | 380 | High | Satisfactory | 1998 | Tailings |
| Oahe Dam | South Dakota | Stanley | 245 | High | Not Available | 1966 | Flood Risk Reduction |
| Oahe Dam - Fort Yates Flood Protection Project | South Dakota | Sioux | 245 | High | Not Available | 1966 | Flood Risk Reduction |
| Pactola Dam | South Dakota | Pennington | 245 | High | Not Available | 1956 | Flood Risk Reduction |
| Big Bend Dam | South Dakota | Lyman | 205 | High | Not Available | 1963 | Flood Risk Reduction |
| Angostura Dam | South Dakota | Fall River | 193 | High | Not Available | 1949 | Irrigation |
| Deerfield Dam | South Dakota | Pennington | 171 | High | Not Available | 1947 | Fish and Wildlife Pond |
| Fort Randall Dam | South Dakota | Charles Mix | 170 | High | Not Available | 1954 | Flood Risk Reduction |
| Pactola Dike 2 | South Dakota | Pennington | 150 | High | Not Available | 1956 | Flood Risk Reduction |
| Shadehill Dam | South Dakota | Perkins | 145 | High | Not Available | 1951 | Flood Risk Reduction |
| Sheridan Lake | South Dakota | Pennington | 134 | High | Not Rated | 1939 | Recreation |
| Cold Brook Dam | South Dakota | Fall River | 130 | High | Not Available | 1953 | Flood Risk Reduction |
| Cottonwood Springs Dam | South Dakota | Fall River | 123 | High | Not Available | 1969 | Flood Risk Reduction |
| Belle Fourche Dam | South Dakota | Butte | 122 | High | Not Available | 1911 | Irrigation |
| Pactola Dike 1 | South Dakota | Pennington | 115 | High | Not Available | 1956 | |
| Highway 44 #6 | South Dakota | Mellette | 102 | Significant | - | 1973 | Other |
| Buffalo Lake Road Dam 1 | South Dakota | Ziebach | 95 | Significant | - | 1961 | Recreation |
| Highway Dept. #3 | South Dakota | Mellette | 91 | Significant | - | 1970 | Other |
| Shadehill Dike 2 | South Dakota | Perkins | 83 | High | Not Available | 1951 | Flood Risk Reduction |
| Buffalo Lake Road Dam 2 | South Dakota | Meade | 82 | Significant | - | 1961 | Recreation |
| Richmond Hill | South Dakota | Lawrence | 79 | Low | - | 1988 | Flood Risk Reduction |
| Beckwith Dam | South Dakota | Haakon | 75 | Low | - | 1977 | Fire Protection, Stock, Or ... |
| Gavins Point Dam | South Dakota | Cedar | 74 | High | Not Available | 1958 | Flood Risk Reduction |
| Gavins Point Dam - Yankton Dam | South Dakota | Yankton | 74 | Low | Not Available | 1958 | Flood Risk Reduction |
| Randall Rc&D Ca-176-Gr | South Dakota | Gregory | 69 | Low | - | 1976 | Grade Stabilization |
| Sargent Irrigation Dam | South Dakota | Tripp | 67 | Low | - | 1972 | Irrigation |
| Wild Rice Creek No. 3 | South Dakota | Marshall | 66 | Low | - | 1961 | Flood Risk Reduction |
| Marty Mission | South Dakota | Charles Mix | 65 | Low | - | 1938 | Flood Risk Reduction |
| Horsethief Lake | South Dakota | Pennington | 65 | High | Not Rated | 1940 | Recreation |
| Spring-Bull 1 | South Dakota | Charles Mix | 64 | Significant | - | 1973 | Flood Risk Reduction |
| Garrett Dam | South Dakota | Sully | 64 | Low | - | 1980 | Fire Protection, Stock, Or ... |
| Logan Thoene No.1 | South Dakota | Gregory | 63 | Low | - | 1975 | Irrigation |
| Oglala | South Dakota | Oglala Lakota | 62 | High | Unsatisfactory | 1941 | Recreation |
| Highway Dept. #2 | South Dakota | Mellette | 60 | Significant | - | 1970 | Other |
| Lowell West Dam | South Dakota | Sully | 60 | Low | - | 1976 | Fire Protection, Stock, Or ... |
| Waterbury Dam | South Dakota | Gregory | 60 | Low | - | 1976 | Fire Protection, Stock, Or ... |
| Bak #1 | South Dakota | Mellette | 59 | Significant | - | 1970 | Other |
| Marindahl | South Dakota | Yankton | 58 | High | Poor | 1953 | Recreation |
| Center Lake Dam | South Dakota | Custer | 56 | High | Fair | 1935 | Recreation |
| Mitchell | South Dakota | Davison | 55 | High | Fair | 1928 | Water Supply |
| Crow Creek | South Dakota | Buffalo | 55 | Significant | Poor | 1939 | Recreation |
| Spring-Bull 2c | South Dakota | Charles Mix | 54 | Significant | - | 1982 | Flood Risk Reduction |
| Menno Dam | South Dakota | Hutchinson | 53 | High | Fair | 1935 | Recreation |
| Stockade Lake Dam | South Dakota | Custer | 53 | High | Fair | 1930 | Recreation |
| Orl Walcott #1 | South Dakota | Lyman | 53 | Significant | - | 1967 | Fire Protection, Stock, Or ... |
| Highway 44 #4 | South Dakota | Mellette | 53 | Significant | - | 1970 | Other |
| Burlington Dam | South Dakota | Fall River | 52 | Low | - | 1919 | Fire Protection, Stock, Or ... |
| Richmond | South Dakota | Brown | 52 | High | Poor | 1935 | Recreation |
| Elm Lake Dam | South Dakota | Brown | 52 | High | Satisfactory | 1937 | Water Supply |
| Indian Scout | South Dakota | Todd | 50 | High | Satisfactory | 2010 | Recreation |
Frequently Asked Questions
Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.
Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.
Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.