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Consumer Safety

Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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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
Sd Noname 179 South Dakota Pennington 27 Low — 1965 Fire Protection, Stock, Or ...
Mathews #1 South Dakota Jones 27 Low — 1959 Fire Protection, Stock, Or ...
Calvin Andersen Dam South Dakota Davison 27 Low — 1968 Irrigation
Walt Hoffman No.1 South Dakota Pennington 27 Low — 1958 Fire Protection, Stock, Or ...
Olson Ranches INC. #1 South Dakota Jones 27 Low — 1957 Fire Protection, Stock, Or ...
Nix Number 4 South Dakota Jones 27 Low — 1960 Fire Protection, Stock, Or ...
Harry Bickel South Dakota Corson 27 Low — 1940 Fire Protection, Stock, Or ...
W. Peterson South Dakota Hyde 27 Low — 1938 Fire Protection, Stock, Or ...
M. Aspach South Dakota Ziebach 27 Low — 1959 Fire Protection, Stock, Or ...
Wedean Number 3 South Dakota Jones 27 Low — 1954 Fire Protection, Stock, Or ...
Roghair Number 1 South Dakota Jones 27 Low — 1954 Fire Protection, Stock, Or ...
Robert Kressly South Dakota Perkins 27 Low — 1952 Fire Protection, Stock, Or ...
Anderson No.1 South Dakota Mellette 27 Low — 1956 Fire Protection, Stock, Or ...
Herman #13 South Dakota Jones 27 Low — 1959 Fire Protection, Stock, Or ...
Louis Bonhorst Number 3 South Dakota Stanley 27 Low — 1958 Fire Protection, Stock, Or ...
Solberg Dam South Dakota Roberts 27 Low — 2009 Fish and Wildlife Pond
Dalhke Ranch Number 2 South Dakota Jones 27 Low — 1953 Fire Protection, Stock, Or ...
Louder Number 2 South Dakota Jones 27 Low — 1959 Fire Protection, Stock, Or ...
Nix Number 2 South Dakota Jones 27 Low — 1960 Fire Protection, Stock, Or ...
Nichols Number 2 South Dakota Jones 27 Low — 1958 Fire Protection, Stock, Or ...
Gifford No. 2 South Dakota Mellette 27 Low — 1940 Fire Protection, Stock, Or ...
Kip Krull Dam #2 South Dakota Hughes 27 Low — 1999 Fish and Wildlife Pond
Carr John Jr No.2 South Dakota Mellette 27 Low — 1968 Fire Protection, Stock, Or ...
Waggoner South Dakota Haakon 27 Significant — 1940 Recreation
Pudwell Dam South Dakota Corson 27 Significant — 1939 Recreation
Astleford No. 1 South Dakota Mellette 27 Low — 1965 Fire Protection, Stock, Or ...
Denby Dam South Dakota Oglala Lakota 27 Low Not Rated 1939 Recreation
Pfister Pond #2 South Dakota Fall River 27 Low — 1950 Irrigation
Pattee Creek No. 4 South Dakota Lincoln 27 Low — 1975 Flood Risk Reduction
Esmay and Sandy #2 South Dakota Jones 27 Low — 1962 Fire Protection, Stock, Or ...
R. Bartels No.1 South Dakota Dewey 27 Low — 1940 Fire Protection, Stock, Or ...
Silver Creek No. 2 South Dakota Minnehaha 27 Low — 1963 Flood Risk Reduction
Vern Long South Dakota Dewey 27 Low — 1971 Fire Protection, Stock, Or ...
Brost Number 5 South Dakota Jones 27 Low — 1963 Fire Protection, Stock, Or ...
Mathews Bros. Number 2 South Dakota Stanley 27 Low — 1958 Fire Protection, Stock, Or ...
Tornow Number 1 South Dakota Jones 27 Low — 1969 Fire Protection, Stock, Or ...
Dolezal No. 3 South Dakota Mellette 27 Low — 1963 Fire Protection, Stock, Or ...
Hutchinson No. 4 South Dakota Mellette 27 Low — 1967 Fire Protection, Stock, Or ...
Rock Cowan No. 1 South Dakota Dewey 26 Low — 1950 Fire Protection, Stock, Or ...
Larsen Dam South Dakota Lyman 26 Low — 1937 Recreation
Olson Ranches INC. #14 South Dakota Jones 26 Low — 1979 Fire Protection, Stock, Or ...
Adrian #2 South Dakota Mellette 26 Low — 1956 Fire Protection, Stock, Or ...
White River Grazing Assoc. No.1 South Dakota Mellette 26 Low — 1960 Fire Protection, Stock, Or ...
Wilson No.2 South Dakota Harding 26 Low — 1960 Fire Protection, Stock, Or ...
Olson Ranches No. 5 South Dakota Jones 26 Low — 1979 Fire Protection, Stock, Or ...
Osborne #1 South Dakota Jones 26 Low — 1961 Fire Protection, Stock, Or ...
Jay A. Lake No.5 South Dakota Potter 26 Low — 1955 Fire Protection, Stock, Or ...
Olson Number 3 South Dakota Jones 26 Low — 1954 Fire Protection, Stock, Or ...
Argyle South Dakota Harding 26 Low — 1956 Fire Protection, Stock, Or ...
Etzkorn South Dakota Hughes 26 Low — 1957 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.