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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Big Tooth Colorado El Paso 102 High Satisfactory 1927 Water Supply
Lake Holiday Dam Virginia Frederick 102 High Satisfactory — Recreation
Fellows Lake Dam Missouri Greene 102 High Satisfactory 1955 Water Supply
Arcadia Dam Oklahoma Oklahoma 102 High Not Available 1986 Flood Risk Reduction
Charlotteburg Dam New Jersey Morris 102 High Satisfactory 1961 Water Supply
Santa Monica Debris Basin California Santa Barbara 102 High Satisfactory 1978 Debris Control
Bremo Power Station Dam Virginia Fluvanna 102 High Satisfactory — Debris Control
Randleman Dam North Carolina Randolph 102 High Fair 2002 Recreation
John C Youngman Pennsylvania Lycoming 101 High Fair 1951 Water Supply
Whitney Utah Summit 101 High Fair 1966 Irrigation
Douglas Dam - Saddle Dam No. 1 Tennessee Sevier 101 High Not Available 1943 Flood Risk Reduction
Basin Creek Dam #1 Montana Silver Bow 101 High Satisfactory 1897 Water Supply
Upper San Marcos River WS SCS Site 4 Texas Hays 101 High Satisfactory — Flood Risk Reduction
Marshall Lake Colorado Boulder 101 High Satisfactory 1908 Irrigation
Nesbitt Pennsylvania Lackawanna 101 High Satisfactory 1903 Water Supply
Hugo Dam Oklahoma Choctaw 101 High Not Available 1974 Flood Risk Reduction
Moon Lake Dam Utah Duchesne 101 High Not Available 1938 Irrigation
Tara Lake Dam Georgia Carroll 101 High Poor 1972 Recreation
Birch Creek No. 2 Utah Rich 101 High Poor 1951 Irrigation
Rio New York Sullivan 101 High Fair 1927 Hydroelectric
Goodwin California Calaveras 101 High Satisfactory 1912 Other
Quemahoning Pennsylvania Somerset 100 High Satisfactory 1912 Water Supply
Howard Prairie Dam Oregon Jackson 100 High Not Available 1958 Hydroelectric
Reynolds Lake Dam North Carolina Surry 100 High Fair 1936 Recreation
Wasel Reservoir Dam Connecticut Hartford 100 High Satisfactory 1966 Water Supply
Twin Lakes Dam Colorado Lake 100 High Not Available 1978 Hydroelectric
Sorrells Reservoir Dam Texas Morris 100 High Not Rated 1956
Sediment Dam Kentucky Perry 100 High Not Available — Other
Northshore Mining Minnesota Lake 100 High — 1977 Tailings
Spinney Mountain Colorado Park 100 High Satisfactory 1982 Water Supply
Red Deer Creek WS SCS Site 13 Dam Texas Roberts 100 High Satisfactory 1993 Flood Risk Reduction
Williams Creek Colorado Hinsdale 100 High Satisfactory 1958 Recreation
Lake Combie California Nevada 100 High Fair 1928 Irrigation
Refuse Imp. (Sands Hill Reservoir) Ohio Vinton 100 High Not Available — Tailings
Tilden Recirculation Basin Michigan Marquette 100 High Satisfactory 1973 Water Supply
Wickiup Dam Oregon Deschutes 100 High Not Available 1949 Fish and Wildlife Pond
Muskingum River Middle Fly Ash Dam Ohio Washington 100 High Satisfactory 1968 Tailings
North Fork California Santa Clara 100 High Poor 1939 Water Supply
Timothy Lake Oregon Clackamas 100 High Satisfactory 1956 Hydroelectric
Willow Creek Colorado Routt 100 High Fair 1966 Recreation
Summersville Dam - Dike 2 West Virginia Nicholas 100 High Not Available 1965 Flood Risk Reduction
Lake Wohlford California San Diego 100 High Fair 1924 Water Supply
Soft Maple Terminal New York Lewis 100 High Satisfactory 1926 Hydroelectric
Okhissa Mississippi Franklin 100 High Not Rated 2005 Recreation
Brushy Creek Dam Iowa Webster 100 High Satisfactory 1998 Recreation
Consol/Rend Lake Mine/Slurry Cell 2 Dam Illinois Jefferson 100 High Not Available 1998 Other
Lake Anna Dam and Reservoir Virginia Louisa 100 High Satisfactory 1972 Hydroelectric
Foster Joseph Sayers Dam Pennsylvania Centre 100 High Not Available 1969 Flood Risk Reduction
Hibbing Taconite Reclaim Pond Minnesota St. Louis 100 High — — Tailings
Mill River Dam New York Westchester 100 High Satisfactory 1966 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.