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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
Locust Creek (Pa-423) Pennsylvania Schuylkill 98 High Fair 1964 Flood Risk Reduction
Upper Highline Colorado Mesa 98 High Satisfactory 1967 Recreation
Harry S. Truman Dam Missouri Benton 98 High Not Available 1979 Flood Risk Reduction
Lake Isabel Colorado Pueblo 98 High Not Rated 1937 Recreation
Clarence J. Brown Dam Ohio Clark 98 High Not Available 1973 Flood Risk Reduction
DeGray Dam Arkansas Clark 98 High Not Available 1969 Flood Risk Reduction
Greers Ferry Dam - Saddle Dike 1 Arkansas Cleburne 98 High Not Available 1962 Flood Risk Reduction
Granby Dike 1 Colorado Grand 98 High Not Available 1950 Hydroelectric
Sand Hollow North Dam Utah Washington 98 High Satisfactory 2002 Water Supply
South Fork No. 9 West Virginia Pendleton 98 High Fair 1963 Flood Risk Reduction
Bon Tempe California Marin 98 High Satisfactory 1949 Other
Mission Montana Lake 98 High Fair 1935 Irrigation
Harry S. Truman Dam - Sterett Creek Dike Missouri Benton 98 High Not Available 1978 Flood Risk Reduction
Cedar Creek Reservoir Dam Georgia Hall 97 High Satisfactory 2001
South Fork No.21 West Virginia Pendleton 97 High Satisfactory 1966 Flood Risk Reduction
Hansen Dam California Los Angeles 97 High Not Available 1940 Flood Risk Reduction
Robert Moses - Niagara New York Niagara 97 High Satisfactory 1963 Hydroelectric
Motts Run Reservoir Dam Virginia Spotsylvania 97 High Satisfactory — Water Supply
Cadet Mine Tailings Dam Missouri Washington 97 High Satisfactory 1978 Tailings
Wheeling Creek No. 7 West Virginia Ohio 97 High Satisfactory 1968 Flood Risk Reduction
Exchequer Dike California Mariposa 97 High Satisfactory 1966 Hydroelectric
Ferrells Bridge Dam Texas Marion 97 High Not Available 1958 Flood Risk Reduction
Lcra Inks Dam Texas Burnet 97 High Satisfactory 1938 Hydroelectric
Cliffside Inactive Ash Basin #5 Main Dam North Carolina Rutherford 97 High Unsatisfactory 1972 Other
Lake Tucker Dam Texas Palo Pinto 97 High Fair 1937 Water Supply
Goose Pond Run (Pa-464) Pennsylvania Monroe 97 High Fair 1975 Flood Risk Reduction
Our House California Nevada 97 High Satisfactory 1969 Water Supply
Upper Beaver Brook Colorado Clear Creek 97 High Satisfactory 1924 Water Supply
Lac Capri Dam Missouri St. Francois 97 High Satisfactory 1972 Recreation
Birch Dam Oklahoma Osage 97 High Not Available 1977 Flood Risk Reduction
Clam Lake Dam Massachusetts Berkshire 97 High Fair 1977 Flood Risk Reduction
Mcswain California Mariposa 97 High Fair 1966 Hydroelectric
Hard Labor Creek Reservoir Dam Georgia Walton 97 High Satisfactory —
Lake Palo Pinto Dam Texas Palo Pinto 96 High Fair 1964 Water Supply
Daniels Idaho Oneida 96 High Fair 1967 Irrigation
High Rock North Carolina Rowan 96 High Satisfactory 1927 Hydroelectric
Virginia Smith Dam Nebraska Garfield 96 High Not Available 1985 Irrigation
Lake Ellsworth Oklahoma Comanche 96 High Unsatisfactory 1961 Water Supply
Haights Creek (Upper) Utah Davis 96 High Satisfactory — Irrigation
J C Bacon Pennsylvania Beaver 96 High Fair 1956 Water Supply
Unimin Tailings Dam Virginia Frederick 96 High Not Rated — Tailings
Richland Creek Dam Texas Freestone 96 High Not Rated 1987 Water Supply
Lake Connell Alaska Ketchikan Gateway Borough 96 High Satisfactory 1953 Water Supply
Las Llajas California Ventura 96 High Satisfactory 1981 Flood Risk Reduction
Sulphur Creek WS SCS Site 4 Dam Texas Burnet 96 High Fair 1960 Flood Risk Reduction
Senator Young Dam North Dakota Cavalier 96 High Poor 1961 Flood Risk Reduction
Peavy Falls Michigan Iron 96 High Satisfactory 1943 Hydroelectric
Pat Mayse Dam Texas Lamar 96 High Not Available 1967 Flood Risk Reduction
Williamson Dam Texas Eastland 96 High Unsatisfactory 1923 Water Supply
Senator Wash Dam California Imperial 96 High Not Available 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.