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Browse Dams

92,625 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,625 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
Garrison Dam North Dakota Mercer 210 High Not Available 1953 Hydroelectric
Mill 5/6 West Tails Storage Facility Nevada Eureka 210 Low Fair 2011 Tailings
New Hogan Dam California Calaveras 210 High Not Available 1963 Flood Risk Reduction
Oxbow Idaho Adams 209 High Fair 1961 Hydroelectric
Quail Creek Utah Washington 209 High Satisfactory 1984 Irrigation
Williams Fork Main Colorado Grand 209 High Satisfactory 1959 Water Supply
Anchor Dam Wyoming Hot Springs 208 High Not Available 1960 Irrigation
Red Dog Tailings Main Dam Alaska Northwest Arctic Borough 208 High Satisfactory 1993 Tailings
James J. Lenihan California Santa Clara 208 High Fair 1953 Water Supply
Walters North Carolina Haywood 208 High Satisfactory 1929 Hydroelectric
Ice Harbor Lock and Dam Washington Walla Walla 208 High Not Available 1962 Navigation
North Fork Oregon Clackamas 207 High Satisfactory 1958 Hydroelectric
Greybull Valley (1st Enl.) Wyoming Park 207 High Fair 2000 Irrigation
Kentucky Dam Kentucky Livingston 206 High Not Available 1944 Flood Risk Reduction
Taylor Park Dam Colorado Gunnison 206 High Not Available 1937 Irrigation
Wanapum Washington Kittitas 206 High Fair 1965 Hydroelectric
Jackson Meadows California Nevada 205 High Satisfactory 1965 Water Supply
Swift (Pondera) Montana Pondera 205 High Satisfactory 1967 Irrigation
Tulloch California Calaveras 205 High Satisfactory 1958 Hydroelectric
Fall Creek Dam Oregon Lane 205 High Not Available 1965 Flood Risk Reduction
Big Bend Dam South Dakota Lyman 205 High Not Available 1963 Flood Risk Reduction
William H. Harsha Dam Ohio Clermont 205 High Not Available 1973 Flood Risk Reduction
Brushy Creek Tailings Missouri Reynolds 205 High Satisfactory 1970 Tailings
Pelton Oregon Jefferson 204 High Satisfactory 1957 Hydroelectric
Ralston Colorado Jefferson 204 High Satisfactory 1937 Water Supply
Hartwell Dam Georgia Hart 204 High Not Available 1962 Hydroelectric
Emigrant Dam Oregon Jackson 204 High Not Available 1960 Flood Risk Reduction
Downsville Dam New York Delaware 204 High Satisfactory 1954 Water Supply
Fairfield Dam B (Main Dam) South Carolina Fairfield 204 High Satisfactory 1977 Hydroelectric
Holz Dam West Virginia Kanawha 203 High Satisfactory 1972 Tailings
Trinidad Dam Colorado Las Animas 203 High Not Available 1976 Flood Risk Reduction
Camp Far West California Yuba 203 High Fair 1963 Irrigation
Lake Loveland California San Diego 203 High Satisfactory 1945 Water Supply
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
Horseshoe Dam Arizona Maricopa 202 High Not Available 1946 Irrigation
Fletcher Tailings Dam Missouri Reynolds 201 High Unsatisfactory 1965 Tailings
Garzas Dam Puerto Rico Adjuntas 201 High Unsatisfactory 1943 Hydroelectric
O'Sullivan Dam Washington Grant 200 High Not Available 1949 Flood Risk Reduction
Barrick Goldstrike Tsf 3 Dam Nevada Eureka 200 High Not Rated 2016 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
Mineral Park Tailings Dam Arizona Mohave 200 Significant Not Available — Tailings
The Dalles Lock and Dam Oregon Klickitat 200 High Not Available 1957 Navigation
Stillhouse Hollow Dam - Dike Texas Bell 200 High Not Available 1968 Flood Risk Reduction
Davis Dam Arizona Mohave 200 High Not Available 1950 Hydroelectric
Cornwall Tailings Pennsylvania Lebanon 200 High Fair 1961 Tailings
Coldwater Debris Dam Washington Cowlitz 200 Undetermined Not Rated 1981 Other
Selis Ksanka Qlispe (Skq) Montana Lake 200 High Fair 1938 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.