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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
Coffeen Gmf Gypsum Stack Dam Illinois Montgomery 108 High Not Available — Debris Control
Long Lake Crescent Washington Lincoln 108 High Satisfactory 1915 Hydroelectric
Crystal Lake Wyoming Laramie 108 High Fair 1922 Water Supply
Joe Pool Dam Texas Dallas 108 High Not Available 1986 Flood Risk Reduction
Arclar/Willow Lake/Refuse Area 2 Dam Illinois Saline 108 High Not Available — Tailings
Park Creek Colorado Larimer 108 High Satisfactory 1970 Irrigation
Devils Gate California Los Angeles 108 High Satisfactory 1920 Flood Risk Reduction
Beaver Creek Reservoir Dam Montana Hill 108 High Fair 1974 Irrigation
Beaver Lake Dam Nebraska Cass 108 High Poor 1973 Recreation
Jeffrey Energy Center- Make Up Lake Dam Kansas Pottawatomie 107 High Satisfactory 1977 Other
Morony Montana Cascade 107 High Satisfactory 1929 Hydroelectric
San Andreas California San Mateo 107 High Fair 1870 Water Supply
Truscott Brine Dam Texas Knox 107 High Not Available 1983 Other
Contra Loma Dam California Contra Costa 107 High Not Available 1967 Water Supply
Frye Mesa Arizona Graham 107 High Satisfactory 1929 Water Supply
Elk City Dam Kansas Montgomery 107 High Not Available 1966 Flood Risk Reduction
Lake Marburg Pennsylvania York 107 High Satisfactory 1967 Other
Lake Curry California Napa 107 High Poor 1926 Other
Harlan County Dam Nebraska Harlan 107 High Not Available 1952 Flood Risk Reduction
Lake Arrowhead Dam Georgia Cherokee 107 High Satisfactory 1974 Recreation
Upper North River #77 Virginia Augusta 107 High Satisfactory 1966 Flood Risk Reduction
Germantown Dam Ohio Montgomery 107 High Fair 1922 Flood Risk Reduction
Rocky River Main Dam Connecticut Litchfield 107 High Satisfactory 1929 Hydroelectric
Red Creek (Duchesne) Utah Duchesne 107 High Fair 1960 Irrigation
Maloney California Contra Costa 107 High Satisfactory 1960 Water Supply
Elk City Dam - Elk City Levee Kansas Montgomery 107 High Not Available 1966 Flood Risk Reduction
Delta Dam New York Oneida 106 High Fair 1912 Navigation
Lake Julian Dam North Carolina Buncombe 106 High Satisfactory 1962 Hydroelectric
Hardy Michigan Newaygo 106 High Fair 1931 Hydroelectric
Bair Montana Meagher 106 High Satisfactory 1939 Irrigation
Prado Dam California Riverside 106 High Not Available 1941 Flood Risk Reduction
Murphy Dam New Hampshire Coos 106 High Not Rated 1938 Recreation
Warm Springs Dam Oregon Malheur 106 High Not Available 1919 Irrigation
Wright Patman Dam Texas Bowie 106 High Not Available 1954 Flood Risk Reduction
Waurika Dam Oklahoma Jefferson 106 High Not Available 1977 Flood Risk Reduction
Two Buttes Colorado Baca 106 High Satisfactory 1908 Recreation
Red Bluff Dam Texas Reeves 106 High Not Rated 1936 Irrigation
West Fork of Mill Creek Dam Ohio Hamilton 106 High Not Available 1952 Flood Risk Reduction
Mitchell Alabama Chilton 106 High Fair 1923 Hydroelectric
Cochrane Montana Cascade 105 High Fair 1957 Hydroelectric
Willow Creek Dam Montana Madison 105 High Poor 1938 Irrigation
International Coal/Viper/North Slurry Impoundment Dam Illinois Logan 105 High Not Available — Other
Folsom Dike 5 California Placer 105 High Not Available 1956 Flood Risk Reduction
Dehart Pennsylvania Dauphin 105 High Poor 1940 Water Supply
Davis County -Stone Creek Db Utah Davis 105 High Fair 1984 Flood Risk Reduction
Davis Creek California Yolo 105 High Satisfactory 1985 Other
Carters Re-Regulation Dam Georgia Murray 105 High Not Available 1974 Hydroelectric
Smithville Dam Missouri Clay 105 High Not Available 1979 Flood Risk Reduction
Haystack Dam Oregon Jefferson 105 High Not Available 1957 Irrigation
Hillsdale Dam Kansas Miami 105 High Not Available 1981 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.