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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
Tom Jenkins Dam Ohio Athens 84 High Not Available 1950 Flood Risk Reduction
Lovell Reservoir Dam Massachusetts Worcester 84 High Fair 1929 Water Supply
SCS-Sallisaw Creek Site-25 Oklahoma Adair 84 High Fair 1976 Flood Risk Reduction
Hinckston Pennsylvania Cambria 84 High Poor 1905 Water Supply
Clear Creek Dam Washington Yakima 84 High Not Available 1914 Fish and Wildlife Pond
Big Creek Barrier Dam Iowa Polk 84 High Not Available 1974 Flood Risk Reduction
Decker Creek Dam Texas Travis 83 High Not Rated 1967 Recreation
Smith Pond Tailings Dam Georgia Washington 83 High Satisfactory —
Olalla Oregon Lincoln 83 High Fair 1968 Other
Shadehill Dike 2 South Dakota Perkins 83 High Not Available 1951 Flood Risk Reduction
Lost River #10 Dam West Virginia Hardy 83 High Satisfactory 2005 Flood Risk Reduction
Lake Frey California Solano 83 High Fair 1894 Water Supply
Butler Storage Reservoir Dam New York Warren 83 High Satisfactory 1909 Water Supply
Michael J. Kirwan Dam Ohio Portage 83 High Not Available 1966 Flood Risk Reduction
Surry Mountain Dam New Hampshire Cheshire 83 High Not Available 1941 Flood Risk Reduction
Great Western Colorado Broomfield 83 High Fair 1903 Water Supply
Dover Dam Ohio Tuscarawas 83 High Not Available 1938 Flood Risk Reduction
High Falls Wisconsin Marinette 83 High Satisfactory 1910 Hydroelectric
Lake Creek Oregon Jackson 83 High Fair 1965 Irrigation
Harmon Creek #1 West Virginia Brooke 83 High Satisfactory 1974 Flood Risk Reduction
Newcastle Utah Iron 83 High Fair 1956 Irrigation
Sanderson Canyon WS SCS Site 2 Dam Texas Pecos 83 High Fair 1980 Flood Risk Reduction
Cave Creek Dam Nevada White Pine 83 High Poor 1932 Recreation
Maple Creek #3 Slurry Pond #2 Pennsylvania Washington 83 High Satisfactory — Other
Belews Creek Saddle Dike #2 Dam North Carolina Stokes 83 High Fair 1971 Other
Righetti California San Luis Obispo 83 High Satisfactory 1966 Other
Bear Gap No 2 Pennsylvania Columbia 83 High Fair 1923 Water Supply
Hinckley New York Herkimer 83 High Satisfactory 1914 Hydroelectric
Salado Creek WS SCS Site 1 Dam Texas Bexar 83 High Satisfactory 1975 Flood Risk Reduction
Kaneohe Dam Honolulu 83 High Fair 1980 Flood Risk Reduction
Ripogenus Maine Piscataquis 83 High Satisfactory 1916 Hydroelectric
Harvey Run No. 2 Slurry Impoundment West Virginia Monongalia 83 High Not Available — Tailings
Superior Colorado Boulder 83 High Satisfactory 1994 Water Supply
Atlanta Reservoir Dam No. 2 Georgia Fulton 83 High Satisfactory 1960 Water Supply
South Platte Reservoir Colorado Arapahoe 83 High Satisfactory 2007 Water Supply
Sleepy Hollow Dam New York Greene 83 High Satisfactory 1972 Recreation
North Fork Oregon Benton 83 High Fair 1960 Water Supply
Big Hill Dam Kansas Labette 83 High Not Available 1981 Flood Risk Reduction
York Indian Rock Dam Pennsylvania York 83 High Not Available 1942 Flood Risk Reduction
Brownwood Laterals WS SCS Site 3 Dam Texas Brown 83 High Fair 1973 Flood Risk Reduction
Sardis Dam Oklahoma Pushmataha 83 High Not Available 1982 Flood Risk Reduction
N&S Mill Creek No.4 West Virginia Grant 82 High Fair 1980 Flood Risk Reduction
North California Contra Costa 82 High Satisfactory 1961 Water Supply
Conroe Dam Texas Montgomery 82 High Satisfactory 1973 Irrigation
Graham Dam Texas Young 82 High Not Rated 1959 Water Supply
Currant Creek Oregon Wasco 82 High Poor 1984 Irrigation
Lake Rene Pennsylvania Clearfield 82 High Fair 1955 Recreation
Salado Creek WS SCS Site 10 Dam Texas Bexar 82 High Fair 1994 Flood Risk Reduction
Lower North River # 80 Virginia Rockingham 82 High Fair — Flood Risk Reduction
Brighton Maryland Montgomery 82 High Satisfactory 1943 Hydroelectric

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.