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Browse Dams

16,894 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 16,894 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
Leesville Virginia Pittsylvania 90 High Satisfactory 1963 Hydroelectric
Wenas Dam Washington Yakima 90 High Fair 1911 Irrigation
Almond Dam New York Steuben 90 High Not Available 1949 Flood Risk Reduction
Calero California Santa Clara 90 High Poor 1935 Water Supply
Storrie Dam New Mexico San Miguel 90 High Poor 1921 Irrigation
Lake Konstanz Dam Missouri Warren 90 High Satisfactory 1999
Yahuecas Dam Puerto Rico Adjuntas 90 High Satisfactory 1956 Hydroelectric
Trail Bridge Oregon Linn 90 High Unsatisfactory 1963 Hydroelectric
Woodcock Creek Dam Pennsylvania Crawford 90 High Not Available 1973 Flood Risk Reduction
Lower Urad Colorado Clear Creek 90 High Satisfactory 1965 Water Supply
Emerald No. 1 Back Valley Western Pennsylvania Greene 90 High Satisfactory — Other
Oak Orchard Creek Dam New York Orleans 90 High Satisfactory 1917 Hydroelectric
Piute Utah Piute 90 High Satisfactory 1938 Irrigation
Ku Tree Reservoir Hawaii Honolulu 90 High Unsatisfactory 1925 Other
Cedar Creek Idaho Twin Falls 90 High Fair 1920 Irrigation
New Melle Quarry Missouri St. Charles 90 High Satisfactory 1999
Shaker Run Dam Ohio Warren 90 High Fair 1973 Recreation
Aylesworth Creek Dam Pennsylvania Lackawanna 90 High Not Available 1970 Flood Risk Reduction
Marsh Creek Reservoir (Pa-437) Pennsylvania Chester 90 High Fair 1973 Recreation
Upper Shepaug Dam Connecticut Litchfield 90 High Satisfactory 1965 Water Supply
Stampede Dike California Sierra 90 High Not Available 1970 Flood Risk Reduction
Livingston Texas San Jacinto 90 High Unsatisfactory 1969 Hydroelectric
Camanche Dike No. 2 California San Joaquin 90 High Satisfactory — Water Supply
Atlanta Reservoir Dam No. 1 Georgia Fulton 90 High Poor 1960 Water Supply
Farmdale Dam Illinois Tazewell 90 High Not Available 1951 Flood Risk Reduction
Crowley Oregon Malheur 90 High Unsatisfactory 1938 Irrigation
Pso Southwestern Power Station No.3 Oklahoma Caddo 90 High Fair 1957 Other
Hodenpyl Michigan Wexford 90 High Fair 1925 Hydroelectric
Granite Springs Wyoming Laramie 90 High Fair 1904 Water Supply
Bottle Hollow - South Dam Utah Uintah 90 High Poor 1970 Irrigation
Emerald No. 2 Back Valley Western Pennsylvania Greene 90 High Satisfactory — Other
Zorinsky Dam Nebraska Douglas 90 High Not Available 1985 Flood Risk Reduction
Wheeling Creek No.23 West Virginia Marshall 90 High Fair 1978 Flood Risk Reduction
Miner'S Ranch California Butte 90 High Satisfactory 1962 Hydroelectric
Weiss - Highway 411 Dike Alabama Cherokee 90 High Satisfactory 1961 Hydroelectric
Two Lick Creek Pennsylvania Indiana 90 High Satisfactory 1968 Grade Stabilization
Emigrant Highway Dike Oregon Jackson 90 High Not Available 1960 Flood Risk Reduction
Black Rock New Mexico McKinley 90 High Fair 1908 Irrigation
Viva Naughton Wyoming Lincoln 90 High Fair 1967 Water Supply
Bois D Arc Lake Dam Texas Fannin 90 High Satisfactory 2023
Chevy Chase 1290 Reservoir California Los Angeles 90 High Satisfactory 1940 Water Supply
Marshall Active Ash Basin Dam North Carolina Catawba 90 High Satisfactory 1962 Other
Camanche Dike No. 1 California Calaveras 90 High Satisfactory — Water Supply
Hillview Reservoir Dam New York Westchester 90 High Satisfactory 1915 Water Supply
Jeffrey Dam Nebraska Lincoln 90 High Satisfactory 1941 Irrigation
West Peak Quarry Dam #1 Missouri Iron 90 High Satisfactory 2001 Tailings
Glen Elder Downs Protective Dike Kansas Osborne 90 High Not Available 1969 Flood Risk Reduction
Ticoa Lake Dam North Carolina Transylvania 90 High Fair 1974 Recreation
Hobbs Utah Davis 90 High Fair 1924 Irrigation
Phoenix Lake California Marin 90 High Satisfactory 1907 Water Supply

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.