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Browse Dams

11,360 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,360 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
Piney Point(2) Florida Manatee 105 Significant Not Rated — Tailings
John H. Overton Lock and Dam Louisiana Rapides 104 Significant Not Available 1987 Navigation
60th Street Stormwater Detention Dam Washington Snohomish 104 Significant Satisfactory 1988 Flood Risk Reduction
Davis County - Millcreek Db #3 Utah Davis 104 Significant Not Rated 1983 Flood Risk Reduction
County Basin Dam Iowa Guthrie 104 Significant Satisfactory 2006
London Locks and Dam West Virginia Kanawha 103 Significant Not Available 1934 Navigation
Main Stack Florida Hillsborough 103 Significant Not Rated 1989 Tailings
Loon Lake Auxiliary California El Dorado 102 Significant Satisfactory 1963 Hydroelectric
Jerritt Canyon Tsf 2 Dam Nevada Elko 102 Significant Fair — Irrigation
Highway 44 #6 South Dakota Mellette 102 Significant — 1973 Other
Lucky Friday No 3 Idaho Shoshone 102 Significant Fair 1979 Tailings
Muddy Guard No. 2 North Dam Wyoming Johnson 102 Significant Fair 1976 Irrigation
Upper Rock Creek Wyoming Fremont 101 Significant Fair 1961 Other
Marmet Locks and Dam West Virginia Kanawha 101 Significant Not Available 1934 Navigation
Goldeneye Lake Dam Tennessee Maury 100 Significant Satisfactory 1970
Ozark-Jetta Taylor Lock and Dam Arkansas Franklin 100 Significant Not Available 1969 Navigation
Sooner Oklahoma Pawnee 100 Significant Satisfactory 1972 Other
Patterson California Alameda 100 Significant Fair 1962 Water Supply
Millers Ferry Lock and Dam Alabama Wilcox 100 Significant Not Available 1970 Recreation
West Dam Montana Deer Lodge 100 Significant Satisfactory —
Racine Locks and Dam West Virginia Mason 100 Significant Not Available 1971 Navigation
Lg & E Trimble Cnty Sta Ash Dam Kentucky Trimble 100 Significant Satisfactory 1980 Other
Chimney Dam Nevada Humboldt 100 Significant Poor 1974 Recreation
Town of Springdale 88r161 Utah Washington 100 Significant Not Rated — Other
Fish Creek Dam Texas Cooke 99 Significant Not Rated 1966 Water Supply
Max Starcke Dam Texas Burnet 99 Significant Satisfactory 1951 Hydroelectric
Glastowbury Dam Tennessee Cumberland 98 Significant Satisfactory 1979 Recreation
Doe Valley Lake Dam Kentucky Meade 97 Significant Poor 1962 Water Supply
Jim Bridger Power Plant Surge Pond Wyoming Sweetwater 97 Significant Fair 1989 Water Supply
W Fork Pt Remove Creek Wid Site 11 Arkansas Pope 96 Significant Fair 1964 Flood Risk Reduction
Buffalo Lake Road Dam 1 South Dakota Ziebach 95 Significant — 1961 Recreation
Lake Windsor Dam Arkansas Benton 95 Significant Fair 1974 Recreation
Gibson South - Dredge Spoil Disposal Iowa Guthrie 95 Significant Satisfactory 1999 Other
Hecla-Day Mine Aspen Tailings Dam Washington Ferry 95 Significant Fair 1940 Tailings
Rayburn Dam Arkansas Benton 95 Significant Fair 1973 Recreation
Forrest Ingram Dam Alabama Cullman 95 Significant Not Rated 1968 Recreation
Bixhoma Lake Oklahoma Wagoner 95 Significant Fair 1965 Water Supply
Otter Creek Dam Tennessee Cumberland 95 Significant Satisfactory 1995 Water Supply
Garrison Dam - Snake Creek Embankment North Dakota McLean 95 Significant Not Available 1952 Other
Jonesville Lock and Dam Louisiana Catahoula 94 Significant Not Available 1972 Navigation
Rmg Cell A Tsf Nevada Nye 94 Significant Fair 1997 Tailings
Mitchell County Reservoir Dam Texas Mitchell 93 Significant Poor 1991 Tailings
St. Anthony Falls Upper Lock and Dam Minnesota Hennepin 93 Significant Not Available 1963 Navigation
Dead Colt Creek Dam North Dakota Ransom 92 Significant Not Rated 1984 Flood Risk Reduction
Floodwater Ret. B-5 Colorado Larimer 91 Significant Satisfactory 1977 Flood Risk Reduction
Highway Dept. #3 South Dakota Mellette 91 Significant — 1970 Other
Crown Lake Dam Arkansas Izard 91 Significant Poor 1972 Recreation
Yerington Mill Dam Nevada Lyon 90 Significant Not Rated — Tailings
Ozark Water Supply Lake Dam Arkansas Franklin 90 Significant Satisfactory 1971 Water Supply
Dardanelle Lock and Dam Arkansas Pope 90 Significant Not Available 1969 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.