Browse Dams

13,008 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 13,008 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
Pennington Lake Louisiana East Baton Rouge 21 High Satisfactory 1993 Recreation
Elk Rapids Michigan Antrim 21 Low Satisfactory 1916 Hydroelectric
Upper Ansonia Reservoir Dam Connecticut New Haven 21 High Satisfactory 1887 Water Supply
Community Pond Maine Aroostook 21 High Satisfactory 1958 Flood Risk Reduction
Fourth Creek Oregon Coos 21 High Satisfactory 1930 Recreation
Ensign Bickford Dam Connecticut Hartford 21 Significant Satisfactory 1900 Recreation
Symphony Lake Dam North Carolina Wake 21 High Satisfactory 1982 Recreation
Trossachs Detention Pond Pc-2 Washington King 21 High Satisfactory 2002 Flood Risk Reduction
West Rock Kraft Paper Dam North Carolina Northampton 21 High Satisfactory 1990 Other
Sammis Station North Bottom Ash Pond Dam Ohio Jefferson 21 Significant Satisfactory — Tailings
Flat Run Lake West Virginia Tucker 21 Low Satisfactory 1965 Fish and Wildlife Pond
Arnold Brook Maine Aroostook 21 Significant Satisfactory 1971 Flood Risk Reduction
Briggs Cattle Company Lagoon 2a Dam Nebraska Seward 21 Low Satisfactory 2007 Other
Fletcher Creek Dam Michigan Chippewa 21 Low Satisfactory 1955 Recreation
Island Lake North Dike Minnesota St. Louis 21 High Satisfactory 1915 Hydroelectric
Mallard Lake Dam Tennessee Shelby 21 Low Satisfactory 1966 Recreation
Crockett Springs Dam Tennessee Williamson 21 Significant Satisfactory 1970
Ballard Pond Mill Dam New Hampshire Rockingham 21 Significant Satisfactory 1941 Recreation
Mason Lake Dam Mississippi DeSoto 21 High Satisfactory 1991 Recreation
Campbell Lake Dam Tennessee Maury 21 Low Satisfactory 1966
Reston Northern Sector Pond 1 Dam Virginia Fairfax 21 High Satisfactory — Flood Risk Reduction
Mirror Lake Vermont Rutland 21 Low Satisfactory 1973 Other
Bogue Brook Reservoir Dam Connecticut New London 21 Significant Satisfactory 1920 Water Supply
Nouque Idaho Owyhee 21 Low Satisfactory 1967 Irrigation
Shadow Hill Lake Dam Ohio Geauga 21 High Satisfactory 1973 Recreation
Windcrest Dam North Carolina Wake 21 High Satisfactory — Recreation
Wyre - Wynd Connecticut New London 21 Low Satisfactory 1913 Hydroelectric
Powder Mill New Hampshire Hillsborough 21 Low Satisfactory 1924 Hydroelectric
Upper Salt Creek 2-1 Nebraska Lancaster 21 Low Satisfactory 1954 Other
Lufkin Regional Detention Pond No 7 Dam Texas Angelina 21 High Satisfactory 2000 Flood Risk Reduction
Union Street Dam Michigan Grand Traverse 21 High Satisfactory 1867 Recreation
Morris Lake Dam Michigan Ogemaw 21 Low Satisfactory 1965 Recreation
Brainerd Minnesota Crow Wing 21 High Satisfactory 1950 Hydroelectric
Grand Rapids Minnesota Itasca 21 Significant Satisfactory 1916 Hydroelectric
St Louis Michigan Gratiot 21 Significant Satisfactory 1901 Hydroelectric
Panther Creek Dam North Carolina Wake 21 High Satisfactory — Recreation
Ridgeway Dam North Carolina Buncombe 21 Significant Satisfactory — Recreation
Warren Twp Road Minnesota Winona 21 Significant Satisfactory 1975 Flood Risk Reduction
Allen Reservoir Pl-566 Flood Control Dam Massachusetts Norfolk 21 High Satisfactory 1981 Flood Risk Reduction
Tamarac River R1 Minnesota Marshall 21 Low Satisfactory 1975 Flood Risk Reduction
Pickerel Control Structure Wisconsin Oneida 21 Low Satisfactory 1935 Hydroelectric
East Colorado Jefferson 21 High Satisfactory 1910 Irrigation
Danaher Lake Dam Michigan Lake 21 Low Satisfactory 1931 Recreation
Legend Lake Number One Wisconsin Menominee 21 High Satisfactory 1968 Recreation
Feeder Dam New York Warren 21 Low Satisfactory 1924 Hydroelectric
Thompson Creek #3 Dam Tennessee Weakley 21 Low Satisfactory 1965
Florence Retarding Arizona Pinal 21 High Satisfactory 1965 Flood Risk Reduction
Ibm Corp Technical Institute Dam New York Westchester 21 Significant Satisfactory 1985 Flood Risk Reduction
Cypress Creek #9 Dam Tennessee Weakley 21 High Satisfactory 1963
Hoover Lake Dam Mississippi Rankin 21 High Satisfactory 1950 Recreation

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.