Browse Dams

7,889 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 7,889 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.

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Name State County Height (ft) Hazard Condition Year Purpose
Lake Sebago Dam New York Rockland 30 High Poor 1925 Recreation
V. E. Lissolo Irrigation Wyoming Weston 30 Low Poor 1955 Irrigation
Fannings Pond Dam South Carolina Orangeburg 30 Low Poor 1950 Recreation
Diebel Lake Dam Ohio Hamilton 30 Low Poor 1980 Recreation
Ta Dubose Dam 1 South Carolina Aiken 30 Low Poor - Recreation
Beacon Hill Reservoir Washington Grays Harbor 30 High Poor 1935 Water Supply
Kelley Hot Spring Fish California Modoc 30 Significant Poor -
Cold Springs Park Pennsylvania Chester 30 Low Poor - Recreation
Hubbard Murphee Structure Y-17a-72 Dam Mississippi Tallahatchie 30 High Poor 1963 Flood Risk Reduction
Knop Lake Dam Indiana Carroll 30 Low Poor 1945 Recreation
Woodland Retreat Lake Indiana Franklin 30 Low Poor 1957 Recreation
Ski Starlite Dam No. 2 Indiana Clark 30 Significant Poor 1980 Recreation
Topliff Dam Nebraska Cass 30 Low Poor 1978 Other
Beggs Lake Dam Arkansas Pulaski 30 Significant Poor 1959 Recreation
Nash's Lake Maine Washington 30 Significant Poor 1890 Recreation
Lower Woodland Lake Dam Indiana Morgan 30 Low Poor 1968 Recreation
Greenville Reservoir No 4 Dam Texas Hunt 30 High Poor 1927 Water Supply
Mowry Wyoming Johnson 30 Low Poor 1963 Irrigation
Dad Dahl Detention # 2 Dam Wyoming Sweetwater 30 Low Poor 1963 Debris Control
Spring Creek No. 1 Wyoming Platte 30 Low Poor 1954 Irrigation
Providence City Dam (New) Kentucky Webster 30 Significant Poor 1945 Water Supply
Badland Dam Nebraska Sioux 30 Low Poor 1953 Irrigation
Greenville Reservoir No 5 Dam Texas Hunt 30 High Poor 1953 Water Supply
Quail Acres Dam North Carolina Mecklenburg 30 High Poor 1962 Recreation
Crystal Lake Indiana Dearborn 30 Low Poor 1973 Recreation
Tuscumbia WS Str Number 36 Dam Mississippi Prentiss 30 High Poor 1988 Flood Risk Reduction
J. L. Fennell Dam North Carolina Macon 30 Significant Poor - Recreation
Souder Dam Nebraska Douglas 30 Low Poor 1980 Recreation
Garnett Wyoming Big Horn 30 Significant Poor 1944 Irrigation
Lake Hendricks Dam Iowa Howard 30 Significant Poor 1960 Recreation
Garland Northwest Dam Nebraska Seward 30 Low Poor 2001 Other
Indian Creek 6-D Nebraska Gage 30 Low Poor 1956 Flood Risk Reduction
Lochwood Corp. of In Dam Indiana Fountain 30 Low Poor 1974 Recreation
New Rochelle Reservoir #3 Dam New York Westchester 30 High Poor 1908 Recreation
Dam 50 Texas Bell 30 High Poor 1956 Recreation
Stocker Pond Dam Mississippi Jasper 30 Low Poor 2005 Recreation
Mule Creek No. 1 Wyoming Niobrara 30 Low Poor 1962 Fire Protection, Stock, Or ...
Tuckers Pond Dam South Carolina Chesterfield 30 Low Poor 1950 Recreation
Angle Detention Dam Wyoming Park 30 Low Poor - Debris Control
Snyder Dam 156 Nebraska Washington 30 Low Poor 1955 Other
Sturgeon No. 3 Wyoming Albany 30 Low Poor 1950 Irrigation
Kehalani Offsite Retention Basin Hawaii Maui 30 High Poor 2003 Flood Risk Reduction
Little Raccoon Dam No. 14 Indiana Parke 30 Low Poor 1973 Flood Risk Reduction
Lake Charles Dam Kentucky Mason 30 Low Poor 1955 Recreation
Ewen - Pence Gulch Wyoming Big Horn 30 Low Poor 1953 Irrigation
Waters Lake Dam North Carolina Burke 30 Significant Poor 1968 Recreation
Mine Hill Reservoir Dam New Jersey Morris 30 Significant Poor 1896 Water Supply
Ferrelltown Lake Dam North Carolina Mecklenburg 30 Low Poor - Recreation
Government No. 1 Stock Wyoming Johnson 30 Low Poor 1962 Fire Protection, Stock, Or ...
Harrison Lake Dam Georgia Gilmer 30 High Poor - Recreation

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.