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
Thomas Dugan South Dakota Corson 21 Low - 1950 Fire Protection, Stock, Or ...
White Ranch South Dakota Perkins 21 Low - 1958 Fire Protection, Stock, Or ...
Vivian Dam South Dakota Lyman 21 Significant - 1938 Fire Protection, Stock, Or ...
Woodrow Hayes South Dakota Corson 21 Low - 1938 Fire Protection, Stock, Or ...
Anderson Dam South Dakota Marshall 21 Low - 2008 Fish and Wildlife Pond
Poss Dam South Dakota Haakon 21 Low - 1960 Fire Protection, Stock, Or ...
Sandoz Dam South Dakota Fall River 21 Low - 1937 Fire Protection, Stock, Or ...
Pazour Lake South Dakota Brule 21 Significant - 1936 Recreation
Jensen Dam (Deleted) South Dakota Lincoln 21 Low - 1976 Recreation
Silver Creek No. 1 South Dakota Minnehaha 21 Low - 1960 Flood Risk Reduction
L. M. Hanson South Dakota Hyde 21 Low - 1956 Fire Protection, Stock, Or ...
Robert Meyer No.1 South Dakota Ziebach 21 Low - 1954 Fire Protection, Stock, Or ...
Cressy Number 1 South Dakota Jones 21 Low - 1952 Fire Protection, Stock, Or ...
Sanderson Number 3 South Dakota Jones 21 Low - 1952 Fire Protection, Stock, Or ...
Troy Lee Hunt South Dakota Corson 21 Significant - 1934 Fire Protection, Stock, Or ...
R. Fields No.4 South Dakota Ziebach 21 Low - 1950 Fire Protection, Stock, Or ...
Robert Meyer No.2 South Dakota Ziebach 21 Low - 1956 Fire Protection, Stock, Or ...
Mcquistion East Dam South Dakota Stanley 21 Low - 2004 Fish and Wildlife Pond
Sd Noname 15 South Dakota Haakon 21 Low - 1971 Fire Protection, Stock, Or ...
Vik Number 1 South Dakota Jones 21 Low - 1959 Fire Protection, Stock, Or ...
Swayze Irr. Dam South Dakota Roberts 21 Low - 1981 Irrigation
Hanson Dam No. 2 South Dakota Haakon 21 Low - 2016 Fire Protection, Stock, Or ...
Simon Dam South Dakota Potter 21 Low - 1936 Recreation
Seiler Dam South Dakota Corson 20 Low - 1980 Fish and Wildlife Pond
A. Heezen South Dakota Hand 20 Low - 1950 Fire Protection, Stock, Or ...
Gene Rock South Dakota Potter 20 Low - 1948 Fire Protection, Stock, Or ...
Henderson House Dam South Dakota Fall River 20 Significant - 1928 Fire Protection, Stock, Or ...
Gruenig Dam South Dakota Brule 20 Significant - 1952 Fire Protection, Stock, Or ...
A. Lee South Dakota Dewey 20 Low - 1954 Fire Protection, Stock, Or ...
T. Jennings South Dakota Hyde 20 Low - 1946 Fire Protection, Stock, Or ...
Circle Bar Ranch Dam South Dakota Grant 20 Low - 2013 Fish and Wildlife Pond
Draper Dam South Dakota Jones 20 Significant - 1939 Recreation
Sundell Dam South Dakota Tripp 20 Low - 1935 Recreation
Tennyson Dam South Dakota Pennington 20 Low - 1937 Recreation
Browns Valley Diversion Dam South Dakota Roberts 20 Significant - 2010 Flood Risk Reduction
John Isaac South Dakota Perkins 20 Low - 1951 Fire Protection, Stock, Or ...
Andrew Dam South Dakota Jackson 20 Low - 1937 Fire Protection, Stock, Or ...
Walloch Dam South Dakota Yankton 20 Low - 2016 Fish and Wildlife Pond
O'Farrell Dam No. 1 South Dakota Grant 20 Low - 2005 Fish and Wildlife Pond
Bill Lindskov South Dakota Corson 20 Low - 1970 Fire Protection, Stock, Or ...
Mcilravy Dam South Dakota Haakon 20 Low - 1962 Fire Protection, Stock, Or ...
Johnson Dam South Dakota Charles Mix 20 Low - 1972 Irrigation
Richard Cobb South Dakota Corson 20 Low - 1950 Fire Protection, Stock, Or ...
Fraser South Dakota Aurora 20 Low - 1934 Recreation
Chapelle South Dakota Hyde 20 Low - 1937 Recreation
Niedan Number 1 South Dakota Jones 20 Low - 1959 Fire Protection, Stock, Or ...
Kane Dam South Dakota Grant 20 Low - 2008 Fish and Wildlife Pond
Sd Noname 138 South Dakota Pennington 20 Low - 1957 Fire Protection, Stock, Or ...
Larsen Lyman 2 South Dakota Pennington 20 Low - 1959 Fire Protection, Stock, Or ...
Circle Eagle South Dakota Ziebach 20 Low - 1939 Water Supply

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.