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Browse Dams

13,002 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 13,002 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
Long Hill Reservoir Dam Connecticut New Haven 80 High Satisfactory 1914 Water Supply
Fond Du Lac Minnesota St. Louis 80 High Satisfactory 1924 Hydroelectric
Mill Service No 6 Pennsylvania Westmoreland 80 High Satisfactory 1986 Other
Sagar Lower Dam North Carolina Transylvania 80 High Satisfactory — Recreation
Crawford Ranch California Mendocino 80 High Satisfactory 1972 Other
Adjuntas Dam Puerto Rico Adjuntas 80 High Satisfactory 1950 Hydroelectric
Kimball Creek California Napa 80 High Satisfactory 1939 Water Supply
Upper San Marcos River WS SCS Site 1 Texas Hays 80 High Satisfactory 1983 Flood Risk Reduction
Solutia #11 Dam Tennessee Maury 80 Low Satisfactory 1962
Lake Lasata Dam Missouri Ste. Genevieve 80 High Satisfactory 1992 Recreation
South Fourche Lafave Wid Site 6 Arkansas Perry 80 Low Satisfactory 1978 Flood Risk Reduction
Butt Valley California Plumas 80 High Satisfactory 1924 Hydroelectric
Andrew Cademartori California Calaveras 80 High Satisfactory 1983 Other
Reuben Hart Reservoir Dam Connecticut Litchfield 80 High Satisfactory 1933 Water Supply
Valley View Lake Dam Missouri Jefferson 80 High Satisfactory 2012
Blake New York St. Lawrence 80 High Satisfactory 1957 Hydroelectric
Alcove Dam New York Albany 80 High Satisfactory 1929 Water Supply
Lake Maxwell Dam Missouri Maries 80 High Satisfactory 1999 Recreation
Red Wash Utah Uintah 80 High Satisfactory 2008 Irrigation
Callaway Forks Dam Missouri St. Charles 80 High Satisfactory 1981 Recreation
Milner Dam-Middle Idaho Twin Falls 80 High Satisfactory 1905 Irrigation
Victor Braunig Dam Texas Bexar 80 High Satisfactory 1963 Hydroelectric
Silver Lake Dam Missouri Jefferson 80 High Satisfactory 1981 Tailings
Oconee Intake Dike South Carolina Oconee 80 High Satisfactory 1971 Hydroelectric
King Arthur'S Dam Missouri Washington 80 High Satisfactory 1980 Tailings
Alice Falls New York Clinton 80 Low Satisfactory 1895 Hydroelectric
Atoka Reservoir Oklahoma Atoka 80 High Satisfactory 1957 Water Supply
Chief Logan Dam West Virginia Logan 80 High Satisfactory — Recreation
Bear Valley California San Bernardino 80 High Satisfactory 1911 Water Supply
Brule Michigan Iron 79 High Satisfactory 1919 Hydroelectric
O'Shaughnessy Ohio Delaware 79 High Satisfactory 1924 Water Supply
Brays Lake Dam Missouri Phelps 79 High Satisfactory 1963 Recreation
Maffitt Reservoir Dam Iowa Dallas 79 High Satisfactory 1944 Water Supply
Lake Timberline Dam Missouri St. Francois 79 High Satisfactory 1963 Recreation
M&S Dam Utah Uintah 79 High Satisfactory 2014 Irrigation
Patterson Creek No.48 West Virginia Mineral 79 High Satisfactory 1974 Flood Risk Reduction
Manatee Cooling Water Reservoir Florida Manatee 79 High Satisfactory 1975 Other
Lake Francis California Yuba 79 High Satisfactory 2000 Water Supply
Kaposia Park Minnesota Dakota 79 Significant Satisfactory 1932 Flood Risk Reduction
Pinson Gravel Company Dam Missouri Washington 79 High Satisfactory 1973 Tailings
Stanley A. Mahr Reservoir California San Diego 79 High Satisfactory 1981 Water Supply
Poteau River Wid Site 12 Arkansas Scott 79 Low Satisfactory 1969 Recreation
Wissota North Saddle Dike Wisconsin Chippewa 79 High Satisfactory 1917 Hydroelectric
Chesbro California Sacramento 79 High Satisfactory 1972 Water Supply
Craig Raw Water Colorado Moffat 78 Significant Satisfactory 1961 Water Supply
Worster Colorado Larimer 78 Significant Satisfactory 1911 Irrigation
Deer Hollow Lake Dam Missouri Warren 78 High Satisfactory 1972 Recreation
Fagan Branch Dam Kentucky Marion 78 High Satisfactory 1991 Water Supply
Lake Trails Dam Missouri St. Louis 78 Significant Satisfactory 1975 Recreation
Double D Ranch Dam Missouri Warren 78 Low Satisfactory 1988 Other

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.