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
Stewart Mountain Dam Arizona Maricopa 210 High Not Available 1930 Hydroelectric
Sutton Dam West Virginia Braxton 210 High Not Available 1960 Flood Risk Reduction
Cabin Creek Upper Colorado Clear Creek 210 High Satisfactory 1967 Hydroelectric
North Catamount Colorado Teller 210 High Satisfactory 1959 Water Supply
New Calaveras California Alameda 210 High Satisfactory 2018 Water Supply
Oxbow Idaho Adams 209 High Fair 1961 Hydroelectric
Williams Fork Main Colorado Grand 209 High Satisfactory 1959 Water Supply
Quail Creek Utah Washington 209 High Satisfactory 1984 Irrigation
Walters North Carolina Haywood 208 High Satisfactory 1929 Hydroelectric
Red Dog Tailings Main Dam Alaska Northwest Arctic Borough 208 High Satisfactory 1993 Tailings
Ice Harbor Lock and Dam Washington Walla Walla 208 High Not Available 1962 Navigation
James J. Lenihan California Santa Clara 208 High Fair 1953 Water Supply
Anchor Dam Wyoming Hot Springs 208 High Not Available 1960 Irrigation
North Fork Oregon Clackamas 207 High Satisfactory 1958 Hydroelectric
Greybull Valley (1st Enl.) Wyoming Park 207 High Fair 2000 Irrigation
Wanapum Washington Kittitas 206 High Fair 1965 Hydroelectric
Kentucky Dam Kentucky Livingston 206 High Not Available 1944 Flood Risk Reduction
Taylor Park Dam Colorado Gunnison 206 High Not Available 1937 Irrigation
William H. Harsha Dam Ohio Clermont 205 High Not Available 1973 Flood Risk Reduction
Tulloch Dam California Calaveras 205 High Satisfactory 1958 Hydroelectric
Big Bend Dam South Dakota Lyman 205 High Not Available 1963 Flood Risk Reduction
Jackson Meadows Dam California Nevada 205 High Satisfactory 1965 Water Supply
Brushy Creek Tailings Missouri Reynolds 205 High Satisfactory 1970 Tailings
Fall Creek Dam Oregon Lane 205 High Not Available 1965 Flood Risk Reduction
Swift (Pondera) Montana Pondera 205 High Satisfactory 1967 Irrigation
Fairfield Dam B (Main Dam) South Carolina Fairfield 204 High Satisfactory 1977 Hydroelectric
Emigrant Dam Oregon Jackson 204 High Not Available 1960 Flood Risk Reduction
Downsville Dam New York Delaware 204 High Satisfactory 1954 Water Supply
Hartwell Dam Georgia Hart 204 High Not Available 1962 Hydroelectric
Pelton Dam Oregon Jefferson 204 High Satisfactory 1957 Hydroelectric
Ralston Colorado Jefferson 204 High Satisfactory 1937 Water Supply
Trinidad Dam Colorado Las Animas 203 High Not Available 1976 Flood Risk Reduction
Camp Far West California Yuba 203 High Fair 1963 Irrigation
Holz Dam West Virginia Kanawha 203 High Satisfactory 1972 Tailings
Lake Loveland California San Diego 203 High Satisfactory 1945 Water Supply
Horseshoe Dam Arizona Maricopa 202 High Not Available 1946 Irrigation
Douglas Dam Tennessee Sevier 202 High Not Available 1943 Flood Risk Reduction
San Antonio California Monterey 202 High Fair 1965 Flood Risk Reduction
Cedar Bluff Dam Kansas Trego 202 High Not Available 1951 Flood Risk Reduction
Fletcher Tailings Dam Missouri Reynolds 201 High Unsatisfactory 1965 Tailings
Garzas Dam Puerto Rico Adjuntas 201 High Unsatisfactory 1943 Hydroelectric
Selis Ksanka Qlispe (SKQ) Montana Lake 200 High Fair 1938 Hydroelectric
Mineral Park Tailings Dam Arizona Mohave 200 Significant Not Available - Tailings
Mojave River Dam - Saddle Dike 1 California San Bernardino 200 High Not Available 1971 Flood Risk Reduction
Saddle Fork Dam Kentucky Perry 200 High Not Available - Tailings
Millstone Branch Slurry Impoundment No.2 Kentucky Pike 200 High Not Available - Tailings
Mojave River Dam California San Bernardino 200 High Not Available 1971 Flood Risk Reduction
Chet Harritt California San Diego 200 High Satisfactory 1962 Water Supply
Coldwater Debris Dam Washington Cowlitz 200 Undetermined Not Rated 1981 Other
J. Strom Thurmond Dam Georgia McCormick 200 High Not Available 1954 Hydroelectric

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.