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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Bonita Springs Lake South Dakota Meade 26 Low — 1935 Recreation
Leslie Caldwell South Dakota Stanley 26 Low — 1959 Fire Protection, Stock, Or ...
Mandernach & Carlson South Dakota Ziebach 26 Low — 1947 Fire Protection, Stock, Or ...
Sd Noname 164 South Dakota Jackson 26 Low — 1950 Fire Protection, Stock, Or ...
Etzkorn South Dakota Hughes 26 Low — 1957 Fire Protection, Stock, Or ...
Norman Es South Dakota Stanley 26 Low — 1966 Fire Protection, Stock, Or ...
Tornow No. 2 South Dakota Jones 26 Low — 1976 Fire Protection, Stock, Or ...
Wulff Dam South Dakota Buffalo 26 Low — 1952 Fire Protection, Stock, Or ...
Olson No. 1 South Dakota Mellette 26 Low — 1962 Fire Protection, Stock, Or ...
Wolf Dam South Dakota Lake 26 Low — 2009 Fish and Wildlife Pond
Jay A. Lake No.2 South Dakota Potter 26 Low — 1948 Fire Protection, Stock, Or ...
Jay A. Lake No.5 South Dakota Potter 26 Low — 1955 Fire Protection, Stock, Or ...
Brost Number 8 South Dakota Jones 26 Low — 1956 Fire Protection, Stock, Or ...
Olson Ranch INC. #6 South Dakota Jones 26 Low — 1959 Fire Protection, Stock, Or ...
Jim'S Creek Dam South Dakota Harding 26 Low — 2003 Fish and Wildlife Pond
Krogman No.5 South Dakota Mellette 26 Low — 1954 Fire Protection, Stock, Or ...
Bachelor No. 1 South Dakota Mellette 26 Low — 1971 Fire Protection, Stock, Or ...
Sletto #1 South Dakota Jones 26 Low — 1956 Fire Protection, Stock, Or ...
Sd Noname 261 South Dakota Haakon 26 Low — 1957 Fire Protection, Stock, Or ...
Osborne #1 South Dakota Jones 26 Low — 1961 Fire Protection, Stock, Or ...
M. Matthews South Dakota Ziebach 26 Low — 1941 Fire Protection, Stock, Or ...
Olson Ranches INC. #12 South Dakota Jones 26 Low — 1956 Fire Protection, Stock, Or ...
Dolezal John Number 7 South Dakota Mellette 26 Low — 1960 Fire Protection, Stock, Or ...
Carlson South Dakota Faulk 26 Low — 2009 Fish and Wildlife Pond
Alfred Hutchinson South Dakota Lyman 26 Low — 1961 Fire Protection, Stock, Or ...
Dimond Wendell No. 1 South Dakota Mellette 26 Low — 1967 Fire Protection, Stock, Or ...
J. Chlecq Dam South Dakota Fall River 26 Low — 1955 Fire Protection, Stock, Or ...
Reynolds Number 1 South Dakota Jones 26 Low — 1960 Fire Protection, Stock, Or ...
County Line Dam South Dakota Custer 26 Low — 1945 Fire Protection, Stock, Or ...
Dolezal Number 1 South Dakota Mellette 26 Low — 1963 Fire Protection, Stock, Or ...
Carl Kannolt Dam South Dakota Fall River 26 Low — 1960 Fire Protection, Stock, Or ...
Alvin Horman South Dakota Stanley 26 Low — 1960 Fire Protection, Stock, Or ...
Petersen Hans No.1 South Dakota Mellette 26 Low — 1972 Fire Protection, Stock, Or ...
Charles Heller South Dakota Tripp 26 Low — 1964 Fire Protection, Stock, Or ...
Golden Number 1 South Dakota Jones 26 Low — 1957 Fire Protection, Stock, Or ...
Eugene Welder South Dakota Perkins 26 Low — 1959 Fire Protection, Stock, Or ...
Archie Millard #2 South Dakota Lyman 26 Low — 1968 Fire Protection, Stock, Or ...
Abernathy Dam South Dakota Buffalo 26 Low — 1951 Fire Protection, Stock, Or ...
Perch Lake Dam South Dakota McPherson 26 Low Poor 1977 Fish and Wildlife Pond
Silver Creek No. 4 South Dakota Minnehaha 26 Low — 1963 Flood Risk Reduction
Hurst Number 2 South Dakota Jones 26 Low — 1955 Fire Protection, Stock, Or ...
Allerdings No.1 South Dakota Walworth 26 Low — 1985 Fire Protection, Stock, Or ...
Knox Number 2 South Dakota Jones 26 Low — 1954 Fire Protection, Stock, Or ...
Dejong Bros 10 South Dakota Lyman 26 Low — 1962 Fire Protection, Stock, Or ...
Stephen Mission South Dakota Hyde 26 Low — 1943 Water Supply
Huston Number South Dakota Jones 26 Low — 1957 Fire Protection, Stock, Or ...
Sandy Number 2 South Dakota Jones 26 Low — 1956 Fire Protection, Stock, Or ...
Baxter No.2 South Dakota Ziebach 26 Low — 1950 Fire Protection, Stock, Or ...
Dejong Bros 9 South Dakota Lyman 26 Low — 1962 Fire Protection, Stock, Or ...
Olson Ranches INC. #9 South Dakota Jones 26 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.