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Browse Dams

12,547 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,547 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
Langston Lake Oklahoma Logan 65 High Fair 1966 Water Supply
Lee Nuclear Dam 4 South Carolina Cherokee 65 Low Fair — Other
Lake Altoona Pennsylvania Blair 65 High Fair 1913 Water Supply
East C-1 Detention Basin Dam Nevada Clark 65 High Fair 2000 Flood Risk Reduction
Waimanalo 60 Mg Reservoir Honolulu 65 High Fair 1993 Irrigation
Sweetbriar Creek Dam North Dakota Morton 65 High Fair 1964 Recreation
Indian Lake Lower Dam North Carolina Transylvania 65 High Fair — Recreation
Lake Dorothy Colorado Las Animas 65 Low Fair 1937 Water Supply
Hibernia (Pa-436f) Pennsylvania Chester 65 High Fair 1994 Flood Risk Reduction
Pine Grove Pennsylvania Lancaster 65 High Fair 1949 Hydroelectric
Twin-Rush Creek Dam No. 2 Indiana Washington 65 High Fair 1969 Water Supply
Tramperos Creek Site 1 Dam New Mexico Union 65 Low Fair 1960 Flood Risk Reduction
Salado Creek WS SCS Site 6 Dam Texas Bexar 65 High Fair 1982 Flood Risk Reduction
Glen Creek Dam New York Schuyler 65 High Fair 1957 Recreation
Lake Needwood Maryland Montgomery 65 High Fair 1965 Recreation
Lake Buckhorn Dam Ohio Holmes 65 High Fair 1967 Recreation
Santa Cruz Site 4 Dam New Mexico Rio Arriba 65 High Fair 1961 Flood Risk Reduction
Frd No 8 Kansas Atchison 65 High Fair 1963 Flood Risk Reduction
Ross Barnett Reservoir Dam Mississippi Rankin 65 High Fair 1962 Water Supply
Boise Cascade Mill Louisiana Vernon 65 Low Fair 1969 Water Supply
Central Va. Water Storage Corporation Virginia Buckingham 65 Low Fair — Other
Camp Ernst Dam Kentucky Boone 65 Significant Fair 1950 Recreation
Sixmile Creek Wid Site 03 Arkansas Logan 65 Significant Fair 1955 Flood Risk Reduction
Silver Creek Oregon Marion 65 High Fair 1975 Water Supply
SCS-Deep Red Run-Coffin Creek Site-01 Oklahoma Tillman 65 Significant Fair 1974 Flood Risk Reduction
SCS-Upper Black Bear Creek Site-62 Oklahoma Noble 65 High Fair 1937 Water Supply
SCS-Caston Mountain Creek Site-2 Oklahoma Le Flore 65 High Fair 1973 Flood Risk Reduction
Bridge Creek Dam Alaska Kenai Peninsula Borough 65 High Fair 1975 Water Supply
Stemilt Main Dam Washington Chelan 65 High Fair 1962 Irrigation
Longhorn Dam Texas Travis 65 High Fair 1960 Recreation
East Barre Vermont Washington 65 High Fair 1935 Flood Risk Reduction
Grizzly Colorado Pitkin 65 High Fair 1930 Recreation
Crab Orchard Dam Illinois Williamson 65 High Fair 1939 Fish and Wildlife Pond
Conewango Creek Site 19 Dam New York Cattaraugus 65 High Fair 1971 Flood Risk Reduction
Willard City Upground Reservoir Ohio Huron 65 High Fair 1971 Water Supply
Union-Lancaster Water Supply Dam South Carolina Lancaster 65 Low Fair 1992 Water Supply
Banning Refuse Slurry Pond Pennsylvania Fayette 65 Significant Fair — Other
Upper Wheeler Dam Washington Chelan 65 High Fair 1922 Irrigation
Patterson Creek No.22 West Virginia Mineral 65 Significant Fair 1964 Flood Risk Reduction
Lakewood Lake No. 2 Dam Arkansas Pulaski 64 Significant Fair 1925 Recreation
Fort Parker State Park Lake Dam Texas Limestone 64 High Fair 1939 Irrigation
Lucas Lake Dam North Carolina Randolph 64 High Fair 1947 Other
Ken Ray Indiana Lawrence 64 Significant Fair 1961 Recreation
Oakdale Indiana Carroll 64 High Fair 1925 Recreation
Brooklyn Run (Pa-468) Pennsylvania Susquehanna 64 High Fair 1967 Flood Risk Reduction
Pinkston Dam Texas Shelby 64 High Fair 1977 Water Supply
SCS-Sallisaw Creek Site-11 Oklahoma Adair 64 High Fair 1964 Flood Risk Reduction
Crane Creek Main Dam Idaho Washington 64 High Fair 1912 Other
Briery Creek Lake Dam Virginia Prince Edward 64 High Fair — Recreation
Buffalo River Dam # 4a Virginia Amherst 64 High Fair — 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.