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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Highway 44 South Dakota Mellette 50 Significant - 1973 Other
Bh Rc&D Grade Structure Bh Ca-305.3-La South Dakota Lawrence 50 Low - 1976 Flood Risk Reduction
Berry Dam South Dakota Mellette 50 Significant - 1985 Fire Protection, Stock, Or ...
Herman #7 South Dakota Jones 49 Low - 1958 Fire Protection, Stock, Or ...
Willow Creek South Dakota Brown 49 High Fair 1934 Water Supply
Kaiser Dam South Dakota Tripp 48 Low - 2014 Irrigation
Ghost Hawk South Dakota Todd 47 High Unsatisfactory 1975 Recreation
James Diversion Dam South Dakota Beadle 47 Low Not Available 1964 Recreation
Lakota South Dakota Custer 47 High Not Rated 1962 Recreation
Lakota Dam South Dakota Lincoln 46 Low - 1967 Flood Risk Reduction
Hurley South Dakota Potter 46 Significant - 1933 Recreation
Prince Irrigation Dam #2 South Dakota Stanley 46 Significant - 1976 Fire Protection, Stock, Or ...
Henry South Dakota Bon Homme 45 Significant - 1938 Recreation
Anderson #1 South Dakota Mellette 45 Low - 1956 Fire Protection, Stock, Or ...
Raish Dam South Dakota Brule 45 Low - 1949 Fire Protection, Stock, Or ...
Schillingstad-Scholzen South Dakota Walworth 45 Low - 1965 Fire Protection, Stock, Or ...
Ponca South Dakota Gregory 45 High Satisfactory 1935 Flood Risk Reduction
Randall Rc&D Ca-167.3-Bh South Dakota Bon Homme 45 Low - 1975 Grade Stabilization
Sturgis #5 South Dakota Meade 44 Significant - 1959 Water Supply
J.B. Love South Dakota Corson 44 Low - 1964 Fire Protection, Stock, Or ...
Mud Creek Dt Dam M-1 South Dakota Grant 44 Low - 1972 Flood Risk Reduction
Boy Scouts of America South Dakota Pennington 44 Low - 1975 Recreation
Eide No.3 South Dakota Gregory 43 Low - 1975 Fire Protection, Stock, Or ...
Fourth Street Dam South Dakota Hughes 43 High Fair 1993 Recreation
Smith Dam South Dakota Lyman 43 Low - 2006 Fish and Wildlife Pond
Curlew South Dakota Meade 43 Low - 1956 Recreation
Louis Bonhorst Number 5 South Dakota Stanley 42 Low - 1962 Fire Protection, Stock, Or ...
Sonnenschein Number 2 South Dakota Stanley 42 Significant - 1963 Fire Protection, Stock, Or ...
G. French Homestead South Dakota Dewey 42 Low - 1948 Fire Protection, Stock, Or ...
Little Moreau #2 South Dakota Dewey 42 Low - 1960 Fish and Wildlife Pond
Plum Creek Grazing Assn South Dakota Stanley 42 Low - 1959 Fire Protection, Stock, Or ...
City of Murdo Number #1 South Dakota Jones 42 Significant - 1938 Water Supply
Pattee Creek No. 2 South Dakota Lincoln 42 Low - 1969 Flood Risk Reduction
Novatny Brothers No.1 South Dakota Tripp 42 Low - 1975 Irrigation
Red Dale Gulch South Dakota Pennington 42 High Fair 1959 Flood Risk Reduction
Herman #15 South Dakota Jones 41 Low - 1958 Fire Protection, Stock, Or ...
Baker Number 3 South Dakota Jones 41 Low - 1960 Fire Protection, Stock, Or ...
Beaulieu South Dakota Tripp 41 High Fair 1947 Recreation
He Dog South Dakota Todd 41 High Satisfactory 1936 Irrigation
East Vermillion South Dakota McCook 41 Low - 1958 Flood Risk Reduction
Iron Cr Lake South Dakota Lawrence 41 High Not Rated 1937 Recreation
Bismark Lake South Dakota Custer 40 High Not Rated 1937 Recreation
Oahe Dam - Spring Creek Dam South Dakota Campbell 40 Low Not Available 1961 Other
Wild Rice Creek No. 2 South Dakota Marshall 40 Low - 1960 Flood Risk Reduction
Richtor South Dakota Mellette 40 Low - 1938 Fire Protection, Stock, Or ...
Oscar Micheaux Dam South Dakota Gregory 40 Low - 1974 Irrigation
Werdel West Dam South Dakota Hand 40 Low - 2008 Irrigation
Lesmeister Dam South Dakota Corson 40 Low - - Irrigation
Perry Dam South Dakota Mellette 40 Low - 1994 Irrigation
Nelson Dam South Dakota Charles Mix 40 Low - 1980 Irrigation

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.