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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

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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Ralph Ritter No.2 South Dakota Campbell 26 Low - 1965 Fire Protection, Stock, Or ...
Etzkorn South Dakota Hughes 26 Low - 1957 Fire Protection, Stock, Or ...
Valburg #1 South Dakota Jones 26 Low - 1976 Flood Risk Reduction
Dolezal Number 1 South Dakota Mellette 26 Low - 1963 Fire Protection, Stock, Or ...
Reynolds Number 1 South Dakota Jones 26 Low - 1960 Fire Protection, Stock, Or ...
Iwan O.M. Number 1 South Dakota Mellette 26 Low - 1970 Fire Protection, Stock, Or ...
Sd Noname 164 South Dakota Jackson 26 Low - 1950 Fire Protection, Stock, Or ...
Wasserburger Pond South Dakota Fall River 26 Low - 1945 Fire Protection, Stock, Or ...
Petersen No. 1 South Dakota Mellette 26 Low - 1960 Fire Protection, Stock, Or ...
Ottumwa Dam South Dakota Haakon 26 Significant - 1938 Recreation
M. Matthews South Dakota Ziebach 26 Low - 1941 Fire Protection, Stock, Or ...
Carlson South Dakota Faulk 26 Low - 2009 Fish and Wildlife Pond
Chief Dam South Dakota Oglala Lakota 26 Low - 1960 Fire Protection, Stock, Or ...
Hix #2 South Dakota Jones 26 Low - 1959 Fire Protection, Stock, Or ...
Tornow No. 2 South Dakota Jones 26 Low - 1976 Fire Protection, Stock, Or ...
White River Grazing Assoc. No.1 South Dakota Mellette 26 Low - 1960 Fire Protection, Stock, Or ...
Se Sw Sec.31-T1n-R26e South Dakota Jones 26 Low - 1956 Fire Protection, Stock, Or ...
Camp Creek Dam South Dakota Fall River 26 Low - 1959 Fire Protection, Stock, Or ...
Adrian #2 South Dakota Mellette 26 Low - 1956 Fire Protection, Stock, Or ...
Eugene Welder South Dakota Perkins 26 Low - 1959 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 ...
Rock Cowan No. 1 South Dakota Dewey 26 Low - 1950 Fire Protection, Stock, Or ...
Krogman No. 2 South Dakota Mellette 26 Low - 1962 Fire Protection, Stock, Or ...
Krogman No.5 South Dakota Mellette 26 Low - 1954 Fire Protection, Stock, Or ...
County Line Dam South Dakota Custer 26 Low - 1945 Fire Protection, Stock, Or ...
Jay A. Lake No.5 South Dakota Potter 26 Low - 1955 Fire Protection, Stock, Or ...
Carl Kannolt Dam South Dakota Fall River 26 Low - 1960 Fire Protection, Stock, Or ...
Sletto #1 South Dakota Jones 26 Low - 1956 Fire Protection, Stock, Or ...
Hunt #1 South Dakota Jones 26 Low - 1954 Fire Protection, Stock, Or ...
Bachelor No. 1 South Dakota Mellette 26 Low - 1971 Fire Protection, Stock, Or ...
Ahrenstorff Dam South Dakota Buffalo 26 Low - 1952 Fire Protection, Stock, Or ...
Charles Heller South Dakota Tripp 26 Low - 1964 Fire Protection, Stock, Or ...
Knox Number 2 South Dakota Jones 26 Low - 1954 Fire Protection, Stock, Or ...
Iverson Number 1 South Dakota Jones 26 Low - 1958 Fire Protection, Stock, Or ...
Ambur No.1 South Dakota Mellette 26 Low - 1968 Fire Protection, Stock, Or ...
Carr No.1 South Dakota Mellette 26 Low - 1963 Fire Protection, Stock, Or ...
Dejong Bros 9 South Dakota Lyman 26 Low - 1962 Fire Protection, Stock, Or ...
Dimond Wendell No. 1 South Dakota Mellette 26 Low - 1967 Fire Protection, Stock, Or ...
Tribe No.7 South Dakota Ziebach 26 Low - 1960 Water Supply
Farmingdale (Nid) South Dakota Pennington 26 Low Not Rated 1936 Fire Protection, Stock, Or ...
Sd Noname 2 South Dakota Buffalo 26 Low - 1946 Fire Protection, Stock, Or ...
Gifford No.1 South Dakota Mellette 26 Low - 1940 Fire Protection, Stock, Or ...
Merrill Karlen #2 South Dakota Lyman 26 Low - 1958 Fire Protection, Stock, Or ...
Dykstra Number 3 South Dakota Jones 26 Low - 1952 Fire Protection, Stock, Or ...
Olson Ranches INC. #12 South Dakota Jones 26 Low - 1956 Fire Protection, Stock, Or ...
Bork Number 1 South Dakota Jones 26 Low - 1959 Fire Protection, Stock, Or ...
Herman Number 17 South Dakota Jones 26 Low - 1958 Fire Protection, Stock, Or ...
Vesely No.2 South Dakota Mellette 26 Low - 1966 Fire Protection, Stock, Or ...
Jim'S Creek Dam South Dakota Harding 26 Low - 2003 Fish and Wildlife Pond

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.