Browse Dams

92,766 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,766 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.

Name State County Height (ft) Hazard Condition Year Purpose
Clearwater Lake Dam Arkansas Hot Spring 60 High Fair 1948 Water Supply
Knowles Dam Oklahoma Ellis 60 Low Not Rated - Irrigation
Lowell West Dam South Dakota Sully 60 Low - 1976 Fire Protection, Stock, Or ...
Calvert Impoundment Dam Georgia Wilkinson 60 Undetermined Not Rated -
Waterbury Dam South Dakota Gregory 60 Low - 1976 Fire Protection, Stock, Or ...
Dennis No. 2 California Sonoma 60 Low Satisfactory 1997 Water Supply
Okemah Lake Oklahoma Okfuskee 60 High Fair 1962 Flood Risk Reduction
Cove Ridge Tailing Pond Virginia Frederick 60 High Not Rated -
Fourche Creek Dam Missouri Ripley 60 High Satisfactory 1975 Recreation
Mineral Ridge Dam Ohio Trumbull 60 High Poor 1932 Water Supply
Mountain Brook Dam Arkansas Benton 60 Low Satisfactory 1997 Flood Risk Reduction
Oakhurst Wastewater Treatment California Madera 60 Low Satisfactory 2005 Other
Karval Colorado Lincoln 60 Low Not Rated 1959 Recreation
Little Sandy Creek 40 Nebraska Thayer 60 Low Satisfactory 2008 Flood Risk Reduction
Eastgate Wyoming Natrona 60 High Poor 2010 Fish and Wildlife Pond
Douglas Creek Tailings Dam Montana Granite 60 Significant - - Tailings
Lookout Oklahoma Osage 60 Low Not Rated 1971 Recreation
Lake Marie California Napa 60 High Satisfactory 1908 Water Supply
Maas Dam Illinois Fulton 60 Low Not Available 1999 Recreation
Scribner Airport West Dam Nebraska Dodge 60 Significant Poor 1976 Flood Risk Reduction
Terminal Colorado Broomfield 60 High Satisfactory 1995 Water Supply
Lake Mirror Dam Arkansas Sharp 60 Undetermined Not Rated - Recreation
Pirate Dam Montana Chouteau 60 Significant - 1982 Other
Cherry Flat California Santa Clara 60 High Satisfactory 1936 Water Supply
Hudson Lake Oklahoma Osage 60 High Fair 1949 Water Supply
Toltec Wyoming Albany 60 Low Fair 1984 Irrigation
Piedmont Lake Dam Georgia Harris 60 High Satisfactory -
Fruita #2 Colorado Mesa 60 Significant Unsatisfactory 1959 Water Supply
Lookout Mountain Colorado Jefferson 60 High Satisfactory 1903 Water Supply
Delmoe Lake Dam Montana Jefferson 60 High Poor 1914 Irrigation
Hooper Dam Tennessee Humphreys 60 High - 1999
Maumelle Nursery Pond Dam Arkansas Pulaski 60 Significant Fair 1989 Fish and Wildlife Pond
Moccasin Ler California Tuolumne 60 High Fair 1930 Other
Stratbucker Dam Nebraska Washington 60 Low Poor 1963 Irrigation
Diederich Reservoir California Los Angeles 60 High Satisfactory 1950 Water Supply
Ma-3 Water Management Mississippi Choctaw 60 Low - 2021
Sugar Loaf Lake Dam Arkansas Sebastian 60 High Fair 1954 Recreation
Deadmans Basin Dam Montana Wheatland 60 High Satisfactory 1941 Irrigation
Starvation Canyon Utah San Juan 60 High Fair 1985 Water Supply
Newsome Tailing Pond Dam Georgia Warren 60 Low Not Rated 1992 Tailings
Kanab Irrigation Diversion Utah Kane 60 Low Not Rated - Other
Bee Veer Mine Dam Missouri Macon 60 Significant Satisfactory 1950 Other
Ditch Creek Dam Missouri Washington 60 High Satisfactory 1955 Tailings
Nichols N-4 Florida Polk 60 Significant Not Rated 1978 Tailings
North Tailings Utah Tooele 60 High Not Available - Tailings
Matheson Colorado Grand 60 Significant Unsatisfactory 1951 Irrigation
Ler Stehly California San Diego 60 High Satisfactory - Water Supply
O'Day #2 Montana Cascade 60 Low - 1956 Fire Protection, Stock, Or ...
Lake Primrose Dam Missouri St. Francois 60 High Satisfactory 1971 Recreation
Slurry Impoundment No. 3 Alabama Jefferson 60 Low Not Available - 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.