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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Brule Creek No. 1 South Dakota Lincoln 25 Low — 1966 Flood Risk Reduction
Holzwarth Dam South Dakota Potter 25 Significant — 1956 Fire Protection, Stock, Or ...
Alfred Urban South Dakota Lyman 25 Low — 1963 Fire Protection, Stock, Or ...
Dejong Bros 11 South Dakota Lyman 25 Low — 1962 Fire Protection, Stock, Or ...
Brule Creek Watershed No. 16 South Dakota Union 25 Low — 1962 Flood Risk Reduction
Laudenslager No. 1 South Dakota Mellette 25 Low — 1966 Fire Protection, Stock, Or ...
Peno Grazing Association South Dakota Pennington 25 Low — 1952 Irrigation
M.A. Curtis South Dakota Dewey 25 Low — 1955 Fire Protection, Stock, Or ...
King Dam South Dakota Tripp 25 Low — 1996 Recreation
Midland Dam South Dakota Haakon 25 Low — 1940 Fire Protection, Stock, Or ...
Lewis & Tinsley Dam South Dakota Meade 25 Low — 1959 Fire Protection, Stock, Or ...
Calhoon Number 1 South Dakota Jones 25 Low — 1964 Fire Protection, Stock, Or ...
John Carr Jr. No. 4 South Dakota Mellette 25 Low — 1972 Fire Protection, Stock, Or ...
Mitchell Dam South Dakota Ziebach 25 Low — 1978 Fish and Wildlife Pond
Dugan Number 1 South Dakota Jones 25 Low — 1953 Fire Protection, Stock, Or ...
Nichols Number 1 South Dakota Jones 25 Low — 1959 Fire Protection, Stock, Or ...
Karrels Dam South Dakota Jackson 25 Low — 1995 Fire Protection, Stock, Or ...
Sd Noname 144 South Dakota Jackson 25 Low — 1960 Fire Protection, Stock, Or ...
Dalhke Number 7 South Dakota Jones 25 Low — 1956 Fire Protection, Stock, Or ...
Paul'S Irrigation Dam South Dakota Harding 25 Low — 1953 Irrigation
Mike Welder South Dakota Dewey 25 Low — 1973 Fire Protection, Stock, Or ...
Sd Noname 173 South Dakota Pennington 25 Low — 1957 Fire Protection, Stock, Or ...
Charles Frazier South Dakota Stanley 25 Low — 1954 Fire Protection, Stock, Or ...
Jack Freeman South Dakota Ziebach 25 Low — 1960 Irrigation
Brost Number 2 South Dakota Jones 25 Low — 1954 Fire Protection, Stock, Or ...
J.E. Sheehan Es #3 South Dakota Stanley 25 Low — 1960 Fire Protection, Stock, Or ...
Iversen Number 1 South Dakota Jones 25 Low — 1957 Fire Protection, Stock, Or ...
Burke South Dakota Gregory 25 Low — 1936 Recreation
Dykstra Number 10 South Dakota Jones 25 Low — 1959 Fire Protection, Stock, Or ...
Greene No. 1 South Dakota Mellette 25 Low — 1968 Fire Protection, Stock, Or ...
Randall Rc&D Ca-1-Bh South Dakota Bon Homme 25 Low — 1967 Grade Stabilization
Letellier South Dakota Mellette 25 Low — 1955 Fire Protection, Stock, Or ...
Herman #3 South Dakota Jones 25 Low — 1959 Fire Protection, Stock, Or ...
Astleford No.3 South Dakota Mellette 25 Low — 1936 Fire Protection, Stock, Or ...
Donald King 2 South Dakota Haakon 25 Low — 1955 Fire Protection, Stock, Or ...
Rankin Number 2 South Dakota Jones 25 Low — 1963 Fire Protection, Stock, Or ...
Rae Number 1 South Dakota Jones 25 Low — 1953 Fire Protection, Stock, Or ...
Hight Number 1 South Dakota Jones 25 Low — 1963 Fire Protection, Stock, Or ...
Mundt Dam South Dakota Sully 25 Low — 1937 Fire Protection, Stock, Or ...
Pettegrew Dam South Dakota Fall River 25 Low — 1910 Irrigation
Diamond Ring Ranch #6 South Dakota Haakon 25 Low — 1969 Fire Protection, Stock, Or ...
Dan Gray No. 3 South Dakota Dewey 25 Low — 1955 Fish and Wildlife Pond
Niemi No.3 South Dakota Harding 25 Low — 1938 Fire Protection, Stock, Or ...
Cole Dam South Dakota Perkins 25 Low — 1934 Recreation
Olson Ranches INC. #4 South Dakota Jones 25 Low — 1966 Fire Protection, Stock, Or ...
Carr John Jr Number 3 South Dakota Mellette 25 Low — 1967 Fire Protection, Stock, Or ...
Weisner Dam South Dakota Buffalo 25 Low — 1951 Fire Protection, Stock, Or ...
Bryan No. 1 South Dakota Mellette 25 Low — 1972 Fire Protection, Stock, Or ...
Valburg Roy No. 1 South Dakota Mellette 25 Low — 1968 Fire Protection, Stock, Or ...
Snavely No. 1 South Dakota Tripp 25 Low — — Fish and Wildlife Pond

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.