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.

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Name State County Height (ft) Hazard Condition Year Purpose
Perault Number 4 South Dakota Jones 28 Low — 1958 Fire Protection, Stock, Or ...
Iwan No.1 South Dakota Mellette 28 Low — 1973 Fire Protection, Stock, Or ...
M. Scism No.1 South Dakota Custer 28 Low — 1973 Irrigation
Snook South Dakota Meade 28 Low — 1960 Fire Protection, Stock, Or ...
Speckels Dam South Dakota Brule 28 Low — 1952 Fire Protection, Stock, Or ...
Dejong Bros. 12 South Dakota Lyman 28 Low — 1962 Fire Protection, Stock, Or ...
Mathews Bros. Number 1 South Dakota Stanley 28 Low — 1966 Fire Protection, Stock, Or ...
Dolezal No. 2 South Dakota Mellette 28 Low — 1963 Fire Protection, Stock, Or ...
Derry Robert No.1 South Dakota Mellette 28 Low — 1965 Fire Protection, Stock, Or ...
R. Paine South Dakota Hand 28 Low — 1957 Fire Protection, Stock, Or ...
Osborne Number 3 South Dakota Jones 28 Low — 1953 Fire Protection, Stock, Or ...
Thorstensen 2 South Dakota Dewey 28 Low — 1972 Fire Protection, Stock, Or ...
Hamak South Dakota Faulk 28 Low — 1938 Recreation
D. Talley South Dakota Meade 28 Low — 1964 Irrigation
Fairfax Lake South Dakota Gregory 28 Low — 1934 Recreation
Gale Grazing Assn No. 2 South Dakota Campbell 28 Low — 1963 Fire Protection, Stock, Or ...
Nelson #1 South Dakota Mellette 28 Low — 1950 Fire Protection, Stock, Or ...
Peters Number 1 South Dakota Jones 28 Low — 1956 Fire Protection, Stock, Or ...
Miller Falls Canyon South Dakota Fall River 28 Low — 1958 Fish and Wildlife Pond
Jensen Number 5 South Dakota Mellette 28 Low — 1972 Fire Protection, Stock, Or ...
Tribe No.11 South Dakota Ziebach 28 Low — 1960 Water Supply
England #4 South Dakota Mellette 28 Low — 1935 Fire Protection, Stock, Or ...
Joe Schomer 1 South Dakota Stanley 28 Low — 1970 Fire Protection, Stock, Or ...
Sd Noname 180 South Dakota Pennington 28 Low — 1937 Fire Protection, Stock, Or ...
Word South Dakota Mellette 28 Low — 1956 Fire Protection, Stock, Or ...
Krogman Louie No.2 South Dakota Mellette 28 Low — 1968 Fire Protection, Stock, Or ...
Foster Number 1 South Dakota Jones 28 Low — 1953 Fire Protection, Stock, Or ...
Hurst Number 3 South Dakota Jones 28 Low — 1958 Fire Protection, Stock, Or ...
Lee Calhoon 2 South Dakota Tripp 28 Low — 1965 Fire Protection, Stock, Or ...
Pat Brown South Dakota Custer 28 Low — 1998 Fish and Wildlife Pond
Perault Number 3 South Dakota Jones 28 Low — 1960 Fire Protection, Stock, Or ...
Bruce Dam South Dakota Pennington 28 Low — 1937 Recreation
Staum South Dakota Beadle 28 Low — 1934 Flood Risk Reduction
Rahn Number 1 South Dakota Jones 28 Low — 1959 Fire Protection, Stock, Or ...
Rahn Number 2 South Dakota Jones 28 Low — 1962 Fire Protection, Stock, Or ...
Atkinson No.1 South Dakota Mellette 28 Low — 1969 Fire Protection, Stock, Or ...
Smith Andy Number 1 South Dakota Mellette 28 Low — 1968 Fire Protection, Stock, Or ...
Cable Stockwater Dam No. 2 South Dakota Buffalo 28 Low — 1953 Fire Protection, Stock, Or ...
Dalhke Ranch Number 5 South Dakota Jones 28 Low — 1956 Fire Protection, Stock, Or ...
Leger Irrigation South Dakota Harding 28 Low — 1950 Irrigation
W.N. Barrick Es South Dakota Stanley 28 Low — 1958 Fire Protection, Stock, Or ...
Seefeldt Dam South Dakota Clark 28 Low — 1992 Fish and Wildlife Pond
Brost Number 6 South Dakota Jones 28 Low — 1963 Fire Protection, Stock, Or ...
Duwayne Slaathaug #1 South Dakota Stanley 28 Low — 1963 Fire Protection, Stock, Or ...
Nix Number 3 South Dakota Jones 28 Low — 1960 Fire Protection, Stock, Or ...
Herman #1 South Dakota Jones 28 Low — 1961 Fire Protection, Stock, Or ...
Bill Burtz 1 South Dakota Tripp 28 Low — 1946 Fire Protection, Stock, Or ...
J. Reich No.1 South Dakota Dewey 28 Low — 1948 Fire Protection, Stock, Or ...
Dutton Dam South Dakota Perkins 28 Low — 1936 Fire Protection, Stock, Or ...
Gus Allen 2 South Dakota Lyman 28 Low — 1956 Fire Protection, Stock, Or ...

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.