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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
Toronto Dam Kansas Woodson 90 High Not Available 1960 Flood Risk Reduction
Wenas Dam Washington Yakima 90 High Fair 1911 Irrigation
Farmdale Dam Illinois Tazewell 90 High Not Available 1951 Flood Risk Reduction
Bottle Hollow - South Dam Utah Uintah 90 High Poor 1970 Irrigation
Hobbs Utah Davis 90 High Fair 1924 Irrigation
Phoenix Lake California Marin 90 High Satisfactory 1907 Water Supply
Black Rock New Mexico McKinley 90 High Fair 1908 Irrigation
Cedar Creek Idaho Twin Falls 90 High Fair 1920 Irrigation
Trail Bridge Oregon Linn 90 High Unsatisfactory 1963 Hydroelectric
Maple River Dam North Dakota Cass 89 High Satisfactory 2006 Flood Risk Reduction
Hop Brook Dam Connecticut New Haven 89 High Not Available 1968 Flood Risk Reduction
Mahoney Pond Vermont Bennington 89 High Satisfactory 1997 Recreation
Burnsville Dam West Virginia Braxton 89 High Not Available 1976 Flood Risk Reduction
Lower North River # 78 Virginia Rockingham 89 High Fair — Flood Risk Reduction
Chilhowee Tennessee Blount 89 High Fair 1957 Hydroelectric
SCS-Sallisaw Creek Site-28 Oklahoma Sequoyah 89 High Fair 1964 Flood Risk Reduction
Browns Draw Utah Duchesne 89 High Fair 1981 Irrigation
Lost River #4 Dam West Virginia Hardy 89 High Satisfactory 1996 Flood Risk Reduction
Hunting Run Dam Virginia Spotsylvania 89 High Satisfactory — Water Supply
Ralston Afterbay California Placer 89 High Fair 1966 Irrigation
Grassy Trail Utah Carbon 89 High Fair 1952 Water Supply
Little Bear Creek Dam Alabama Franklin 89 High Not Available 1975 Flood Risk Reduction
Adobe Arizona Maricopa 89 High Satisfactory 1982 Flood Risk Reduction
Lakeview Cemetery Flood Control Dam Ohio Cuyahoga 89 High Fair 1978 Flood Risk Reduction
Stillwater #1 Colorado Garfield 89 High Unsatisfactory 1939 Irrigation
Lake Monticello Dam Arkansas Drew 89 High Fair 1993 Fish and Wildlife Pond
Heyburn Dam Oklahoma Creek 89 High Not Available 1950 Flood Risk Reduction
Upper Cibolo Creek WS SCS Site 1 Dam Texas Kendall 89 High Satisfactory 1978 Flood Risk Reduction
Lynx Lake Arizona Yavapai 89 High Satisfactory 1962 Fish and Wildlife Pond
Barton Porter West Colorado Garfield 89 High Fair 2005 Irrigation
Mill Creek No.13 West Virginia Jackson 89 High Satisfactory 1986 Flood Risk Reduction
Lake Madigan California Solano 89 High Satisfactory 1908 Water Supply
Millwood Dam Arkansas Little River 88 High Not Available 1966 Flood Risk Reduction
Town Fork Creek WS Dam #16 North Carolina Stokes 88 High Fair 1968 Flood Risk Reduction
Hiko Springs Detention Basin Dam Nevada Clark 88 High Fair 1996 Flood Risk Reduction
Lake Bastrop Dam Texas Bastrop 88 High Satisfactory 1964 Recreation
Upper Ouachita Site 1 Arkansas Polk 88 High Fair 1977 Water Supply
Yadkin Narrows Bypass Spillway Control Structure North Carolina Montgomery 88 High Poor 1917 Hydroelectric
Minidoka Dam Idaho Minidoka 88 High Not Available 1906 Fish and Wildlife Pond
Atagahi Lake Dam North Carolina Transylvania 88 High Fair 1973 Flood Risk Reduction
Long Draw Colorado Larimer 88 High Satisfactory 1975 Irrigation
Sludge Bed No 6 Pennsylvania Butler 88 High Fair 1983 Other
Williamson Energy/Pond Creek Mine/Refuse Disposal Facility Illinois Williamson 88 High Not Available — Other
High Rock Lake - Site 24 Alabama Cleburne 88 High Not Rated 1972 Flood Risk Reduction
Colstrip Evaporation Pond Dam Montana Rosebud 88 High Satisfactory 1976 Other
Gerber Dam Oregon Klamath 88 High Not Available 1925 Irrigation
Mpd No. 4-10 (Horsethief Reservoir) Kansas Hodgeman 88 High Fair 2009 Recreation
Gurley Colorado San Miguel 88 High Fair 1961 Irrigation
O'Neill Forebay Dam California Merced 88 High Not Available 1967 Hydroelectric
Lookout Shoals North Carolina Catawba 88 High Satisfactory 1915 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.