Browse Dams

12,908 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,908 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
Barker Meadow Colorado Boulder 184 High Satisfactory 1909 Hydroelectric
Gilboa Dam New York Schoharie 183 High Satisfactory 1926 Water Supply
Sly Park California El Dorado 182 High Satisfactory 1955 Water Supply
Bee Tree Lake Dam North Carolina Buncombe 182 High Satisfactory 1927 Water Supply
Newell California Santa Cruz 182 High Satisfactory 1960 Water Supply
New Upper San Leandro California Alameda 182 High Satisfactory 1977 Other
Porcupine Utah Cache 181 High Satisfactory 1962 Irrigation
Hickory Log Reservoir Dam Georgia Cherokee 180 High Satisfactory 2008 Water Supply
Shaver Lake Dam California Fresno 180 High Satisfactory 1927 Hydroelectric
Scott's Run Cinder Barrier West Virginia Kanawha 179 High Satisfactory 1955 Tailings
Mad River Flood Control Dam Connecticut Litchfield 178 High Satisfactory 1963 Flood Risk Reduction
Wolf Creek North Carolina Jackson 178 High Satisfactory 1955 Hydroelectric
Round Valley South Dam New Jersey Hunterdon 178 High Satisfactory 1961 Water Supply
Cabinet Gorge Idaho Bonner 177 High Satisfactory 1952 Hydroelectric
Upper Chiquita California Orange 177 High Satisfactory 2012 Water Supply
Bowman Main Dam California Nevada 175 High Satisfactory 1926 Irrigation
Clinton Gulch Colorado Summit 175 High Satisfactory 1977 Water Supply
Cannonsville Dam New York Delaware 175 High Satisfactory 1964 Water Supply
Wynoochee Washington Grays Harbor 175 High Satisfactory 1972 Water Supply
Paradise California Butte 175 High Satisfactory 1957 Water Supply
Indian Pond Maine Somerset 175 High Satisfactory 1955 Hydroelectric
Walter Bouldin Alabama Elmore 174 High Satisfactory 1967 Hydroelectric
New Croton Reservoir Dam New York Westchester 174 High Satisfactory 1906 Water Supply
Swan Lake Alaska Ketchikan Gateway Borough 174 High Satisfactory 1984 Hydroelectric
Diemer No. 8 California Orange 172 Significant Satisfactory 1968 Water Supply
Main Dam California Yuba 172 High Satisfactory 1963 Irrigation
Camanche Main Dam California San Joaquin 171 High Satisfactory 1964 Water Supply
Keowee Main Dam South Carolina Oconee 170 High Satisfactory 1971 Hydroelectric
Quabbin Winsor Dam Massachusetts Hampshire 170 High Satisfactory 1939 Water Supply
Comerford New Hampshire Grafton 170 High Satisfactory 1930 Hydroelectric
San Pablo California Contra Costa 170 High Satisfactory 1920 Water Supply
New Viburnum Tailings Dam Missouri Iron 170 High Satisfactory 1981 Other
Bath County PS Lower Reservoir Virginia Bath 170 High Satisfactory 1984 Hydroelectric
Bill Evans Dam New Mexico Grant 170 High Satisfactory 1969 Other
Blenheim - Gilboa Upper New York Schoharie 170 High Satisfactory 1974 Hydroelectric
West Dam South Carolina Oconee 170 High Satisfactory 1991 Hydroelectric
Homestake Tailings California Lake 169 High Satisfactory 1990 Water Supply
Gibraltar California Santa Barbara 169 High Satisfactory 1920 Other
Fairfield Dam D South Carolina Fairfield 169 High Satisfactory 1977 Hydroelectric
Fairfield Dam C South Carolina Fairfield 169 High Satisfactory 1977 Hydroelectric
Fairfield Dam A South Carolina Fairfield 169 High Satisfactory 1977 Hydroelectric
Lucchetti Dam Puerto Rico Yauco 169 High Satisfactory 1952 Irrigation
Junction California El Dorado 168 Significant Satisfactory 1962 Hydroelectric
Encino California Los Angeles 168 High Satisfactory 1924 Water Supply
Kensico Dam New York Westchester 168 High Satisfactory 1916 Water Supply
Priest California Tuolumne 168 High Satisfactory 1923 Other
Robert Moses - St. Lawrence New York St. Lawrence 167 High Satisfactory 1958 Hydroelectric
Galesville Oregon Douglas 167 High Satisfactory 1985 Irrigation
Lopez California San Luis Obispo 166 High Satisfactory 1969 Water Supply
George B Stevenson Pennsylvania Cameron 166 High Satisfactory 1956 Flood Risk Reduction

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.