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
Lewiston Reservoir Dike New York Niagara 119 High Satisfactory 1963 Hydroelectric
Cave Buttes Arizona Maricopa 118 High Satisfactory 1980 Flood Risk Reduction
Alpine Lake Dam Missouri Warren 118 High Satisfactory 2000 Recreation
Villa Park California Orange 118 High Satisfactory 1963 Flood Risk Reduction
Schoens Arizona Navajo 118 High Satisfactory 1988 Flood Risk Reduction
Wirtz Dam Texas Burnet 118 High Satisfactory 1951 Irrigation
Lake Gaillard Dam Connecticut New Haven 118 High Satisfactory 1929 Water Supply
Elkhead Creek Colorado Moffat 118 High Satisfactory 1979 Fish and Wildlife Pond
Green Verdugo California Los Angeles 118 High Satisfactory 1953 Water Supply
Massena Intake New York St. Lawrence 118 High Satisfactory 1958 Hydroelectric
Elwood Dam Nebraska Gosper 118 High Satisfactory 1976 Irrigation
Upper North River #76 Virginia Augusta 118 High Satisfactory - Flood Risk Reduction
Eramet Waste Retention Dam Ohio Washington 118 High Satisfactory 1982 Tailings
Uvas California Santa Clara 118 High Satisfactory 1957 Water Supply
Rocky Creek-Cedar Creek South Carolina Fairfield 117 High Satisfactory 1909 Hydroelectric
Rio Grande Colorado Hinsdale 117 High Satisfactory 1914 Irrigation
Gunlock Utah Washington 117 High Satisfactory 1970 Irrigation
Inlet Control Structure Arizona Pinal 116 Significant Satisfactory 2008 Flood Risk Reduction
Lake Watrous Dam Connecticut New Haven 116 High Satisfactory 1915 Water Supply
Dixon California San Diego 116 High Satisfactory 1970 Water Supply
South Fork No. 17 West Virginia Pendleton 116 High Satisfactory 1975 Flood Risk Reduction
Lake Temescal California Alameda 116 High Satisfactory 1869 Water Supply
Gold Gulch #2 Arizona Gila 116 Significant Satisfactory 1982 Other
South Fork No. 4 Dam West Virginia Hardy 116 High Satisfactory 1965 Flood Risk Reduction
Saltlick Pennsylvania Cambria 116 High Satisfactory 1913 Water Supply
Soft Maple Diversion New York Lewis 115 High Satisfactory 1926 Hydroelectric
Solomon Gulch Alaska Chugach Census Area 115 High Satisfactory 1981 Hydroelectric
Millsite Utah Emery 115 High Satisfactory 1971 Irrigation
Maple Creek #3 Slurry Pond #1 Pennsylvania Washington 115 High Satisfactory - Other
Fajardo Dam Puerto Rico Fajardo 115 High Satisfactory 2002 Water Supply
Old Viburnum Tailings Dam #1 Missouri Iron 115 High Satisfactory 1968 Tailings
Eshbaugh-Martin Dam Missouri Washington 115 High Satisfactory 1968 Tailings
Cidra Dam Puerto Rico Cidra 115 High Satisfactory 1946 Water Supply
Lake Kemp Dam Texas Baylor 115 High Satisfactory 1923 Flood Risk Reduction
Grizzly Valley California Plumas 115 High Satisfactory 1966 Water Supply
Lake Winona Dam Arkansas Saline 115 Low Satisfactory 1938 Water Supply
Seeger California Marin 115 High Satisfactory 1961 Other
Little Flint Creek Dam Arkansas Benton 115 High Satisfactory 1977 Water Supply
West Pass Dike Washington Whatcom 115 High Satisfactory 1959 Hydroelectric
C J Strike Idaho Owyhee 115 High Satisfactory 1952 Hydroelectric
Westfork Southeast Dam Missouri Reynolds 115 High Satisfactory 1992 Tailings
Mill Meadow Utah Wayne 115 High Satisfactory 1954 Irrigation
Gribben Tailings Basin Dam Michigan Marquette 115 Significant Satisfactory 1977 Tailings
Robena Pond No 6 Pennsylvania Greene 115 Low Satisfactory 1980 Other
Bradley Lake Spillway Dam Alaska Kenai Peninsula Borough 115 Low Satisfactory 1991 Hydroelectric
Kerckhoff California Madera 114 Low Satisfactory 1920 Hydroelectric
Wachusett Reservoir Dam Massachusetts Worcester 114 High Satisfactory 1906 Water Supply
Yellow Creek Reservoir Dam Georgia Dawson 114 High Satisfactory 1999 Water Supply
Thompson California Los Angeles 114 Significant Satisfactory 1925 Water Supply
Jeff Davis California Calaveras 114 High Satisfactory 1973 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.