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
L. Koch South Dakota Dewey 30 Low — 1957 Fire Protection, Stock, Or ...
Shaeffer Dam South Dakota McCook 30 Low — 2008 Fish and Wildlife Pond
Sheriff Number 1 South Dakota Jones 30 Low — 1949 Fire Protection, Stock, Or ...
Vesely No.1 South Dakota Mellette 30 Low — 1966 Fire Protection, Stock, Or ...
Iversen Number 4 South Dakota Jones 30 Low — 1954 Fire Protection, Stock, Or ...
Varilek Fishpond #1 South Dakota Charles Mix 30 Significant — 1970 Irrigation
Hedman Number 1 South Dakota Stanley 30 Low — 1946 Fire Protection, Stock, Or ...
Ellery Brockel South Dakota Campbell 30 Low — 1949 Fire Protection, Stock, Or ...
School Land Dam South Dakota Butte 30 Low — 1957 Fire Protection, Stock, Or ...
Stoeser Dam #2 South Dakota Stanley 30 Low — 1976 Fish and Wildlife Pond
Dykstra Number 16 South Dakota Jones 30 Low — 1959 Fire Protection, Stock, Or ...
Wells Dam South Dakota Brule 30 Low — 1935 Recreation
Dykstra Number 17 South Dakota Jones 30 Low — 1957 Fire Protection, Stock, Or ...
Circle C No.2 South Dakota Custer 30 Significant — 1956 Fire Protection, Stock, Or ...
Randall Rc&D Ca-65b-Bh South Dakota Bon Homme 30 Low — 1971 Grade Stabilization
Brost Number 7 South Dakota Jones 30 Low — 1954 Fire Protection, Stock, Or ...
Frank Kraft South Dakota Corson 30 Low — 1968 Fire Protection, Stock, Or ...
Frantz Farms 3 South Dakota Tripp 30 Low — 1964 Fire Protection, Stock, Or ...
Krogman No.6 South Dakota Mellette 30 Low — 1956 Fire Protection, Stock, Or ...
J.E. Sheehan Es #1 South Dakota Stanley 30 Low — 1958 Fire Protection, Stock, Or ...
Upper Deer Creek-Lake Hendricks Watershed (Udclh) 1-C South Dakota Brookings 30 Low — 1970 Flood Risk Reduction
Woolhizer Dam South Dakota Tripp 30 Low — 1935 Recreation
White Lake Dam South Dakota Marshall 30 Significant — 1933 Recreation
Krogman #5 South Dakota Mellette 30 Significant — 1957 Fire Protection, Stock, Or ...
Herman #4 South Dakota Jones 30 Low — 1958 Fire Protection, Stock, Or ...
Petersen Kate Number 1 South Dakota Mellette 30 Low — 1962 Fire Protection, Stock, Or ...
Bergeson Dam South Dakota Stanley 30 Low — 1995 Fire Protection, Stock, Or ...
Stoeser No. 5 South Dakota Stanley 30 Low — 2017 Grade Stabilization
Allen Stirling Number 2 South Dakota Stanley 30 Low — 1958 Fire Protection, Stock, Or ...
Earl Mcpherson Dam No.1 South Dakota Meade 30 Low — 1958 Fire Protection, Stock, Or ...
Krogman No.4 South Dakota Jones 30 Low — 1957 Fire Protection, Stock, Or ...
Nix Number 1 South Dakota Jones 30 Low — 1960 Fire Protection, Stock, Or ...
Nelson Dam South Dakota Haakon 30 Low — 1976 Fish and Wildlife Pond
Jim Schuyler South Dakota Tripp 30 Low — 1962 Fire Protection, Stock, Or ...
Evenson Irrigation Dam South Dakota Harding 30 Low — 1955 Irrigation
Brooks Dam South Dakota Haakon 30 High Fair 1953 Fire Protection, Stock, Or ...
F. Genzler South Dakota Potter 30 Low — 1973 Fire Protection, Stock, Or ...
Huot Dam South Dakota Clay 30 Low — 1989 Fire Protection, Stock, Or ...
Assam South Dakota Minnehaha 30 Significant — 1968 Recreation
Word #1 South Dakota Mellette 30 Low — 1960 Fire Protection, Stock, Or ...
Dejong Bros 2 South Dakota Tripp 30 Low — 1961 Fire Protection, Stock, Or ...
Novey No.4 South Dakota Mellette 30 Low — 1966 Fire Protection, Stock, Or ...
Ryno #1 South Dakota Mellette 30 Low — 1954 Fire Protection, Stock, Or ...
Kermit-Johnson-No.1 South Dakota Perkins 30 Low — 1952 Fire Protection, Stock, Or ...
Cowan Dam South Dakota Corson 30 Low — 1969 Fire Protection, Stock, Or ...
Pothast Dam South Dakota Ziebach 30 Low — 2003 Fish and Wildlife Pond
Mcleod Dam South Dakota Butte 30 Low — 1974 Fire Protection, Stock, Or ...
R. Berndt South Dakota Dewey 30 Low — 1940 Fire Protection, Stock, Or ...
Fite Dam Number 1 South Dakota Charles Mix 30 Low — 1972 Fire Protection, Stock, Or ...
Little Moreau #1 South Dakota Dewey 30 Low — 1933 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.