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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 - Fort Yates Flood Protection Project South Dakota Sioux 245 High Not Available 1966 Flood Risk Reduction
Oahe Dam South Dakota Stanley 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 - Yankton Dam South Dakota Yankton 74 Low Not Available 1958 Flood Risk Reduction
Gavins Point Dam South Dakota Cedar 74 High 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
Horsethief Lake South Dakota Pennington 65 High Not Rated 1940 Recreation
Marty Mission South Dakota Charles Mix 65 Low — 1938 Flood Risk Reduction
Garrett Dam South Dakota Sully 64 Low — 1980 Fire Protection, Stock, Or ...
Spring-Bull 1 South Dakota Charles Mix 64 Significant — 1973 Flood Risk Reduction
Logan Thoene No.1 South Dakota Gregory 63 Low — 1975 Irrigation
Oglala South Dakota Oglala Lakota 62 High Unsatisfactory 1941 Recreation
Lowell West Dam South Dakota Sully 60 Low — 1976 Fire Protection, Stock, Or ...
Highway Dept. #2 South Dakota Mellette 60 Significant — 1970 Other
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
Crow Creek South Dakota Buffalo 55 Significant Poor 1939 Recreation
Mitchell South Dakota Davison 55 High Fair 1928 Water Supply
Spring-Bull 2c South Dakota Charles Mix 54 Significant — 1982 Flood Risk Reduction
Stockade Lake Dam South Dakota Custer 53 High Fair 1930 Recreation
Highway 44 #4 South Dakota Mellette 53 Significant — 1970 Other
Menno Dam South Dakota Hutchinson 53 High Fair 1935 Recreation
Orl Walcott #1 South Dakota Lyman 53 Significant — 1967 Fire Protection, Stock, Or ...
Elm Lake Dam South Dakota Brown 52 High Satisfactory 1937 Water Supply
Richmond South Dakota Brown 52 High Poor 1935 Recreation
Burlington Dam South Dakota Fall River 52 Low — 1919 Fire Protection, Stock, Or ...
Bh Rc&D Grade Structure Bh Ca-305.3-La South Dakota Lawrence 50 Low — 1976 Flood Risk Reduction

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.