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Browse Dams

3,540 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 3,540 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
Ortega Dam California Santa Barbara 131 High Not Available 1956 Water Supply
Norton Dam Kansas Norton 131 High Not Available 1964 Flood Risk Reduction
Arkport Dam New York Steuben 131 High Not Available 1940 Flood Risk Reduction
Roark Branch Fresh Water Dam Kentucky Leslie 130 High Not Available — Water Supply
East Sidney Dam New York Delaware 130 High Not Available 1950 Flood Risk Reduction
Left Abutment Slurry Impoundment West Virginia Wayne 130 High Not Available — Tailings
Rattlesnake Dam Colorado Larimer 130 High Not Available 1952 Irrigation
Cold Brook Dam South Dakota Fall River 130 High Not Available 1953 Flood Risk Reduction
Belleville Locks and Dam West Virginia Wood 130 Significant Not Available 1968 Navigation
Black Rock Dam Connecticut Litchfield 130 High Not Available 1971 Flood Risk Reduction
Sam Rayburn Dam Texas Jasper 130 High Not Available 1965 Flood Risk Reduction
O.C. Fisher Dam Texas Tom Green 130 High Not Available 1952 Flood Risk Reduction
Pinto Dam Washington Grant 130 High Not Available 1948 Flood Risk Reduction
Little Wood River Dam Idaho Blaine 129 High Not Available 1939 Irrigation
Tellico Dam Tennessee Loudon 129 High Not Available 1979 Flood Risk Reduction
Chickamauga Dam Tennessee Hamilton 129 High Not Available 1940 Flood Risk Reduction
Keechelus Dam Washington Kittitas 128 High Not Available 1917 Flood Risk Reduction
St. Stephen Powerhouse Dam South Carolina Berkeley 128 High Not Available 1985 Navigation
Eau Galle Dam Wisconsin Pierce 127 High Not Available 1968 Flood Risk Reduction
Willow Creek BOR CO Dam Colorado Grand 127 High Not Available 1953 Irrigation
Willow Creek Forebay Dam Colorado Grand 127 Low Not Available 1953
Foster Dam Oregon Linn 126 High Not Available 1967 Flood Risk Reduction
Red Willow Dam Nebraska Frontier 126 High Not Available 1962 Flood Risk Reduction
Townshend Dam Vermont Windham 126 High Not Available 1961 Flood Risk Reduction
Merritt Dam Nebraska Cherry 126 High Not Available 1964 Irrigation
Cheney Dam Kansas Sedgwick 126 High Not Available 1965 Flood Risk Reduction
Saylorville Dam Iowa Polk 125 High Not Available 1975 Flood Risk Reduction
2 West Arizona Graham 125 Low Not Available — Tailings
Longview Dam Missouri Jackson 125 High Not Available 1985 Flood Risk Reduction
Kaw Dam Oklahoma Osage 125 High Not Available 1976 Flood Risk Reduction
Center Hill Dam Tennessee DeKalb 125 High Not Available 1951 Flood Risk Reduction
Scofield Dam Utah Carbon 125 High Not Available 1946 Irrigation
Fort Loudoun Dam Tennessee Loudon 125 High Not Available 1943 Flood Risk Reduction
Pine Creek Dam Oklahoma McCurtain 124 High Not Available 1969 Flood Risk Reduction
Dry Falls Dam Washington Grant 123 High Not Available 1949 Flood Risk Reduction
Melvern Dam Kansas Osage 123 High Not Available 1972 Flood Risk Reduction
Cottonwood Springs Dam South Dakota Fall River 123 High Not Available 1969 Flood Risk Reduction
Duck Creek Station Dams Illinois Fulton 123 High Not Available 1975 Other
North Fork of Pound Dam Virginia Wise 122 High Not Available 1966 Flood Risk Reduction
Joe D. Waggonner, Jr. Lock and Dam Louisiana Caddo 122 Significant Not Available 1985 Navigation
Lewellyn Amd Impoundment West Virginia Marion 122 High Not Available — Other
Belle Fourche Dam South Dakota Butte 122 High Not Available 1911 Irrigation
Hammond Dam Pennsylvania Tioga 122 High Not Available 1978 Flood Risk Reduction
Fort Cobb Dam Oklahoma Caddo 122 High Not Available 1959 Flood Risk Reduction
Perry Dam Kansas Jefferson 121 High Not Available 1966 Flood Risk Reduction
Keystone Dam Oklahoma Tulsa 121 High Not Available 1964 Flood Risk Reduction
Bully Creek Dam Oregon Malheur 121 High Not Available 1963 Flood Risk Reduction
Optima Dam Oklahoma Texas 120 High Not Available 1978 Flood Risk Reduction
Martins Fork Dam Kentucky Harlan 120 High Not Available 1978 Flood Risk Reduction
Holt Lock and Dam Alabama Tuscaloosa 120 High Not Available 1968 Navigation

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.