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
Abernathy Dam South Dakota Buffalo 26 Low — 1951 Fire Protection, Stock, Or ...
Camp Creek Dam South Dakota Fall River 26 Low — 1959 Fire Protection, Stock, Or ...
Brost Number 8 South Dakota Jones 26 Low — 1956 Fire Protection, Stock, Or ...
Dejong Bros 10 South Dakota Lyman 26 Low — 1962 Fire Protection, Stock, Or ...
Lookout South Dakota Lyman 25 Low — 1938 Water Supply
Will Dam South Dakota Brule 25 Low — 1946 Fire Protection, Stock, Or ...
Lermeny Dam South Dakota Harding 25 Low — 1903 Fire Protection, Stock, Or ...
V. Garrett South Dakota Sully 25 Low — 1947 Fire Protection, Stock, Or ...
Rankin Number 2 South Dakota Jones 25 Low — 1963 Fire Protection, Stock, Or ...
Louder Number 1 South Dakota Jones 25 Low — 1956 Fire Protection, Stock, Or ...
Jacquot Dam South Dakota Bennett 25 Significant — 1960 Irrigation
Allen Tucker No.1 South Dakota Mellette 25 Low — 1967 Fire Protection, Stock, Or ...
Saville Number 1 South Dakota Jones 25 Low — 1953 Fire Protection, Stock, Or ...
Noldner Number 1 South Dakota Jones 25 Low — 1959 Fire Protection, Stock, Or ...
Hofer Dam South Dakota Hutchinson 25 Low — 1972 Fire Protection, Stock, Or ...
Huber #1 South Dakota Mellette 25 Low — 1955 Fire Protection, Stock, Or ...
Labolt Lake South Dakota Grant 25 Low — 1935 Recreation
Mt. View Ranch Dam South Dakota Meade 25 Low — 1965 Irrigation
Earl Pullins South Dakota Perkins 25 Low — 1952 Fire Protection, Stock, Or ...
Herman #3 South Dakota Jones 25 Low — 1959 Fire Protection, Stock, Or ...
Hutchinson No. 5 South Dakota Mellette 25 Low — 1972 Fire Protection, Stock, Or ...
Karrels Dam South Dakota Jackson 25 Low — 1995 Fire Protection, Stock, Or ...
Fho Ranch No.1 South Dakota Jones 25 Low — 1977 Fire Protection, Stock, Or ...
Dalhke Number 7 South Dakota Jones 25 Low — 1956 Fire Protection, Stock, Or ...
M. Fisher South Dakota Hand 25 Low — 1949 Fire Protection, Stock, Or ...
Daum Bros. Number 4 South Dakota Jones 25 Low — 1959 Fire Protection, Stock, Or ...
Shyne 1 South Dakota Pennington 25 Low — 1953 Recreation
Anderson No.2 South Dakota Mellette 25 Low — 1966 Fire Protection, Stock, Or ...
Louder Number 1 South Dakota Jones 25 Low — 1956 Fire Protection, Stock, Or ...
Mcclellan Bros. South Dakota Ziebach 25 Low — 1939 Fire Protection, Stock, Or ...
Sd Noname 275 South Dakota Haakon 25 Low — 1950 Fire Protection, Stock, Or ...
G&J Heck No.2 South Dakota Dewey 25 Low — 1954 Fire Protection, Stock, Or ...
Iversen Number 1 South Dakota Jones 25 Low — 1953 Fire Protection, Stock, Or ...
Sly Number 1 South Dakota Charles Mix 25 Significant — 1961 Fire Protection, Stock, Or ...
Jr Schmidt #1 South Dakota Mellette 25 Low — 1956 Fire Protection, Stock, Or ...
Astleford No.3 South Dakota Mellette 25 Low — 1936 Fire Protection, Stock, Or ...
Brost Number 8 South Dakota Jones 25 Low — 1964 Fire Protection, Stock, Or ...
Burke South Dakota Gregory 25 Low — 1936 Recreation
Brost Number 2 South Dakota Jones 25 Low — 1954 Fire Protection, Stock, Or ...
Diamond Ring Ranch #6 South Dakota Haakon 25 Low — 1969 Fire Protection, Stock, Or ...
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 ...
Jack Freeman South Dakota Ziebach 25 Low — 1960 Irrigation
Herman Moeller South Dakota Tripp 25 Low — 1961 Fire Protection, Stock, Or ...
Calhoon Number 1 South Dakota Jones 25 Low — 1964 Fire Protection, Stock, Or ...
Dugan Number 1 South Dakota Jones 25 Low — 1953 Fire Protection, Stock, Or ...
Midland Dam South Dakota Haakon 25 Low — 1940 Fire Protection, Stock, Or ...
Dejong Bros 11 South Dakota Lyman 25 Low — 1962 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 ...

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.