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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Reading Anthracite CO - New St. Nicholas Breaker Pennsylvania Schuylkill 100 High Not Available — Water Supply
Wasel Reservoir Dam Connecticut Hartford 100 High Satisfactory 1966 Water Supply
Sorrells Reservoir Dam Texas Morris 100 High Not Rated 1956
South Catamount Colorado Teller 100 High Fair 1935 Water Supply
Red Deer Creek WS SCS Site 13 Dam Texas Roberts 100 High Satisfactory 1993 Flood Risk Reduction
Blue Marsh Dam Pennsylvania Berks 100 High Not Available 1977 Flood Risk Reduction
Whiskeytown Dike 1 California Shasta 100 High Not Available 1963 Hydroelectric
Howard Prairie Dam Oregon Jackson 100 High Not Available 1958 Hydroelectric
Mill Run Pennsylvania Blair 100 High Poor 1957 Water Supply
Dresser No. 10 Dam Missouri Jefferson 100 High Satisfactory 1974 Other
Chase Gulch Colorado Gilpin 100 High Satisfactory 1996 Water Supply
Blanding City No. 4 Utah San Juan 100 High Satisfactory 1965 Water Supply
Lake Catoma Dam Alabama Cullman 100 High Not Rated 1966 Recreation
Mill River Dam New York Westchester 100 High Satisfactory 1966 Water Supply
Reynolds Lake Dam North Carolina Surry 100 High Fair 1936 Recreation
Wister Dam Oklahoma Le Flore 99 High Not Available 1949 Flood Risk Reduction
Willow Creek Arizona Yavapai 99 High Satisfactory 1936 Irrigation
Bluewater Dam New Mexico Cibola 99 High Fair 1927 Irrigation
Gaston North Carolina Northampton 99 High Poor 1963 Hydroelectric
Lower Bucks Lake California Plumas 99 High Fair 1928 Hydroelectric
Hulet Idaho Owyhee 99 High Fair 1976 Other
Gulf Island Maine Androscoggin 99 High Satisfactory 1926 Hydroelectric
Tillery North Carolina Stanly 99 High Satisfactory 1928 Hydroelectric
El Dorado Dam Kansas Butler 99 High Not Available 1981 Flood Risk Reduction
Moss Lake Dam North Carolina Cleveland 99 High Poor 1973 Water Supply
Carbon Canyon Dam California Orange 99 High Not Available 1961 Flood Risk Reduction
Celanese Acetate Pond A Virginia Giles 99 High Satisfactory — Other
Lake Shepherd Springs Dam (Breached) Arkansas Crawford 99 High Not Rated 1954 Water Supply
Crow Montana Lake 99 High Poor 1933 Irrigation
Brand Park California Los Angeles 99 High Satisfactory 1930 Water Supply
Little Seneca Dam Maryland Montgomery 99 High Fair 1984 Water Supply
Bear Canyon Dam New Mexico Grant 99 High Poor 1937 Irrigation
National Lead Industries Dam Missouri Washington 99 High Satisfactory 1959 Tailings
Lake Leon Dam Texas Eastland 99 High Satisfactory 1954 Water Supply
Lake Arlington Dam Texas Tarrant 99 High Not Rated 1957 Water Supply
Lost Creek Dam Texas Jack 99 High Fair 1991 Water Supply
Lake Isabel Colorado Pueblo 98 High Not Rated 1937 Recreation
Granite Creek Arizona Yavapai 98 High Satisfactory 1920 Irrigation
Cow Creek Iwr Auxiliary Dam Oregon Douglas 98 High Satisfactory 2007 Water Supply
South Fork No. 37 West Virginia Pendleton 98 High Satisfactory 1965 Flood Risk Reduction
Clarence J. Brown Dam Ohio Clark 98 High Not Available 1973 Flood Risk Reduction
Greers Ferry Dam - Saddle Dike 1 Arkansas Cleburne 98 High Not Available 1962 Flood Risk Reduction
Salado Creek WS SCS Site 12 Dam Texas Bexar 98 High Satisfactory 1974 Flood Risk Reduction
Patterson Creek No. 13 Dam West Virginia Grant 98 High Fair 1967 Flood Risk Reduction
Old Hickory Lock and Dam Tennessee Davidson 98 High Not Available 1954 Navigation
Harry S. Truman Dam Missouri Benton 98 High Not Available 1979 Flood Risk Reduction
Rocky Gap Dam Maryland Allegany 98 High Poor 1969 Water Supply
Prieto Dam Puerto Rico Maricao 98 High Satisfactory 1955 Hydroelectric
Bon Tempe California Marin 98 High Satisfactory 1949 Other
Mission Montana Lake 98 High Fair 1935 Irrigation

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.