Browse Dams

17,049 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 17,049 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
Pond 3 California San Joaquin 80 High Not Available - Other
Silt Pond California Los Angeles 80 High Not Available - Other
Silt Pond California Ventura 80 High Not Available - Other
Ashland Reservoir Pennsylvania Schuylkill 80 High Poor 1926 Water Supply
Adjuntas Dam Puerto Rico Adjuntas 80 High Satisfactory 1950 Hydroelectric
Indian Wash Det. Colorado Mesa 80 High Fair 1965 Flood Risk Reduction
Mill Service No 6 Pennsylvania Westmoreland 80 High Satisfactory 1986 Other
Hillsboro Energy/Deer Run/Crd 1 Dam Illinois Montgomery 80 High Not Available - Tailings
Callaway Forks Dam Missouri St. Charles 80 High Satisfactory 1981 Recreation
Big Casino Creek Dam Montana Fergus 80 High Satisfactory 1976 Irrigation
Long Branch Dam Missouri Macon 80 High Not Available 1978 Flood Risk Reduction
Quail Creek South Dam Utah Washington 80 High Satisfactory 1990 Water Supply
Sagar Lower Dam North Carolina Transylvania 80 High Satisfactory - Recreation
Judy Reservoir Dam B Washington Skagit 80 High Fair 1946 Water Supply
Clear Creek Colorado Chaffee 80 High Fair 1910 Water Supply
Amon G Carter Dam Texas Montague 80 High Fair 1956 Water Supply
Valmont 'A' Colorado Boulder 80 High Fair 1962 Water Supply
White River Dam Texas Crosby 80 High Fair 1963 Water Supply
Round Valley Dike New Jersey Hunterdon 80 High Satisfactory 1961 Water Supply
Cholla Fly Ash Pond Arizona Navajo 80 High Satisfactory 1978 Other
Valley View Lake Dam Missouri Jefferson 80 High Satisfactory 2012
Gem Lake Dam California Mono 80 High Poor 1917 Hydroelectric
Kettle Creek Diversion Dam Colorado El Paso 80 High Not Available 1961 Flood Risk Reduction
Stony Creek Dam #9 Virginia Shenandoah 80 High Satisfactory 1971 Flood Risk Reduction
Okemo Snow Pond Vermont Windsor 80 High Fair 1994 Recreation
Mount Pisgah Colorado Teller 80 High Fair 1911 Irrigation
Fond Du Lac Minnesota St. Louis 80 High Satisfactory 1924 Hydroelectric
Dull Knife Wyoming Johnson 80 High Fair 1966 Irrigation
King Arthur's Dam Missouri Washington 80 High Satisfactory 1980 Tailings
Red Wash Utah Uintah 80 High Satisfactory 2008 Irrigation
Fredonia Reservoir Dam New York Chautauqua 80 High Fair 1937 Water Supply
Lake Lasata Dam Missouri Ste. Genevieve 80 High Satisfactory 1992 Recreation
Tuckertown North Carolina Stanly 80 High Satisfactory 1962 Hydroelectric
Somerville Dam Texas Washington 80 High Not Available 1967 Flood Risk Reduction
Francis P. Ryan Dam Massachusetts Franklin 80 High Fair 1970 Water Supply
Cataract Creek Dam Montana Madison 80 High Unsatisfactory 1959 Irrigation
Summersville Dam - Dike 1 West Virginia Nicholas 80 High Not Available 1965 Flood Risk Reduction
Crawford Ranch California Mendocino 80 High Satisfactory 1972 Other
Sibley Green Site 4 New Mexico Sierra 80 High Poor 1974 Flood Risk Reduction
Lake Maxwell Dam Missouri Maries 80 High Satisfactory 1999 Recreation
Pond 11 California Santa Clara 80 High Not Available - Other
Lake Butner Dam North Carolina Granville 80 High Fair - Recreation
Willow Creek Dam Nebraska Pierce 80 High Fair 1983 Flood Risk Reduction
Chief Logan Dam West Virginia Logan 80 High Satisfactory - Recreation
Alcove Dam New York Albany 80 High Satisfactory 1929 Water Supply
Box Elder Creek Dam Montana Sheridan 80 High Satisfactory 1963 Recreation
Big Creek Diversion Dam Iowa Polk 80 High Not Available 1970 Flood Risk Reduction
Reuben Hart Reservoir Dam Connecticut Litchfield 80 High Fair 1933 Water Supply
Bishop Creek Dam Nevada Elko 80 High Unsatisfactory 1912 Irrigation
Diamond Hill Reservoir Rhode Island Providence 80 High Fair 1971 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.