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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
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
Grayson Dam Kentucky Carter 120 High Not Available 1968 Flood Risk Reduction
Cecil M. Harden Dam Indiana Parke 119 High Not Available 1960 Flood Risk Reduction
Otter Brook Dam New Hampshire Cheshire 119 High Not Available 1958 Flood Risk Reduction
Two Rivers Diamond A Dam - Rocky Dam New Mexico Chaves 118 Low Not Available —
Dewey Dam Kentucky Floyd 118 High Not Available 1949 Flood Risk Reduction
Grassy Lake Dam Wyoming Teton 118 High Not Available 1939 Irrigation
John Martin Dam - Fort Lyon Protective Works Colorado Bent 118 High Not Available 1943 Flood Risk Reduction
Markland Locks and Dam Kentucky Gallatin 118 Significant Not Available 1964 Navigation
Paint Creek Dam Ohio Highland 118 High Not Available 1973 Flood Risk Reduction
Two Rivers Diamond A Dam New Mexico Chaves 118 High Not Available 1963 Flood Risk Reduction
North Springfield Dam Vermont Windsor 118 High Not Available 1960 Flood Risk Reduction
Dillon Dam Ohio Muskingum 118 High Not Available 1960 Flood Risk Reduction
Dexter Dam Oregon Lane 117 High Not Available 1955 Flood Risk Reduction
Sugar Camp/Mine 1/North Refuse Disposal Facility Dam Illinois Franklin 117 High Not Available — Tailings
Sardis Dam Mississippi Panola 117 High Not Available 1940 Flood Risk Reduction
Macoupin Energy Refuse Disposal Area 6 Illinois Macoupin 117 High Not Available 1991 Tailings
Franklin Falls Dam New Hampshire Merrimack 116 High Not Available 1943 Flood Risk Reduction
Boca Dam California Nevada 116 High Not Available 1939 Hydroelectric
Clinton Dam Kansas Douglas 116 High Not Available 1977 Flood Risk Reduction
Thorton Quarry Gap Dam Illinois Cook 116 High Not Available 2013 Flood Risk Reduction
Hyrum Dam Utah Cache 116 High Not Available 1935 Irrigation
Granger Dam Texas Williamson 115 High Not Available 1979 Water Supply
Everett Dam New Hampshire Hillsborough 115 High Not Available 1961 Flood Risk Reduction
Blue Mountain Dam Arkansas Yell 115 High Not Available 1947 Flood Risk Reduction
Cold Springs Dam Oregon Umatilla 115 High Not Available 1908 Irrigation
Pactola Dike 1 South Dakota Pennington 115 High Not Available 1956
Kachess Dam Washington Kittitas 115 High Not Available 1912 Flood Risk Reduction
Minatare Dam Nebraska Scotts Bluff 114 High Not Available 1915 Irrigation
Eufaula Dam Oklahoma Haskell 114 High Not Available 1964 Flood Risk Reduction
B. Everett Jordan Dam North Carolina Chatham 114 High Not Available 1974 Flood Risk Reduction
Wappapello Dam - Saddle Dike 1 Missouri Wayne 114 Significant Not Available 1941 Flood Risk Reduction
Wappapello Dam - Saddle Dike 3 Missouri Wayne 114 Significant Not Available 1941 Flood Risk Reduction
Tallaseehatchee Creek W/S Dam Site 1 Alabama Talladega 114 High Not Available 1980 Flood Risk Reduction
Wappapello Dam - Saddle Dike 2 Missouri Wayne 114 Significant Not Available 1941 Flood Risk Reduction
Wappapello Dam Missouri Wayne 114 High Not Available 1941 Flood Risk Reduction
Pleasant Hill Dam Ohio Ashland 113 High Not Available 1937 Flood Risk Reduction
East Lynn Dam West Virginia Wayne 113 High Not Available 1971 Flood Risk Reduction
Pickwick Landing Dam Tennessee Hardin 113 High Not Available 1938 Flood Risk Reduction
Martis Creek Dam California Nevada 113 High Not Available 1972 Flood Risk Reduction
Willow Island Locks and Dam West Virginia Pleasants 111 Significant Not Available 1976 Navigation
John Hollis Bankhead Lock and Dam Alabama Tuscaloosa 111 High Not Available 1975 Navigation
Fresno Dam Montana Hill 111 High Not Available 1939 Irrigation
Northfield Brook Dam Connecticut Litchfield 111 High Not Available 1965 Flood Risk Reduction
Pomona Dam Kansas Osage 111 High Not Available 1963 Flood Risk Reduction
Mohawk Dam Ohio Coshocton 111 High Not Available 1937 Flood Risk Reduction
Robert F. Henry Lock and Dam Alabama Lowndes 110 Significant Not Available 1974 Navigation
American Coal/Galatia/Bunkhouse Rdf Dam Illinois Saline 110 High Not Available — Other
Lindy Claiborne Boggs Lock and Dam Louisiana Catahoula 110 Significant Not Available 1985 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.