Browse Dams

17,036 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 17,036 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
Marshall Active Ash Basin Dam North Carolina Catawba 90 High Fair 1962 Other
Maple River Dam North Dakota Cass 89 High Satisfactory 2006 Flood Risk Reduction
Mill Creek No.13 West Virginia Jackson 89 High Satisfactory 1986 Flood Risk Reduction
Mahoney Pond Vermont Bennington 89 High Satisfactory 1997 Recreation
Browns Draw Utah Duchesne 89 High Fair 1981 Irrigation
Stillwater #1 Colorado Garfield 89 High Unsatisfactory 1939 Irrigation
Burnsville Dam West Virginia Braxton 89 High Not Available 1976 Flood Risk Reduction
Grassy Trail Utah Carbon 89 High Fair 1952 Water Supply
Lost River #4 Dam West Virginia Hardy 89 High Satisfactory 1996 Flood Risk Reduction
Hunting Run Dam Virginia Spotsylvania 89 High Satisfactory - Water Supply
Lower North River # 78 Virginia Rockingham 89 High Fair - Flood Risk Reduction
Hop Brook Dam Connecticut New Haven 89 High Not Available 1968 Flood Risk Reduction
Lakeview Cemetery Flood Control Dam Ohio Cuyahoga 89 High Fair 1978 Flood Risk Reduction
Lake Monticello Dam Arkansas Drew 89 High Fair 1993 Fish and Wildlife Pond
Chilhowee Tennessee Blount 89 High Fair 1957 Hydroelectric
Ralston Afterbay California Placer 89 High Fair 1966 Irrigation
Little Bear Creek Dam Alabama Franklin 89 High Not Available 1975 Flood Risk Reduction
Heyburn Dam Oklahoma Creek 89 High Not Available 1950 Flood Risk Reduction
Barton Porter West Colorado Garfield 89 High Fair 2005 Irrigation
Lake Madigan California Solano 89 High Satisfactory 1908 Water Supply
Adobe Arizona Maricopa 89 High Satisfactory 1982 Flood Risk Reduction
Lake Arlington Dam Texas Tarrant 89 High Satisfactory 1957 Water Supply
SCS-Sallisaw Creek Site-28 Oklahoma Sequoyah 89 High Fair 1964 Flood Risk Reduction
Lynx Lake Arizona Yavapai 89 High Satisfactory 1962 Fish and Wildlife Pond
Gurley Colorado San Miguel 88 High Fair 1961 Irrigation
Dove Canyon California Orange 88 High Poor 1989 Flood Risk Reduction
O'Neill Forebay Dam California Merced 88 High Not Available 1967 Hydroelectric
Atoka Oklahoma Atoka 88 High Fair 1957 Water Supply
Town Fork Creek WS Dam #16 North Carolina Stokes 88 High Fair 1968 Flood Risk Reduction
Little Grassy Dam Illinois Williamson 88 High Fair 1942 Fish and Wildlife Pond
Union City Dam Pennsylvania Erie 88 High Not Available 1971 Flood Risk Reduction
SCS-Fourche Maline Creek Site-01 Oklahoma Latimer 88 High Fair 1963 Flood Risk Reduction
Atagahi Lake Dam North Carolina Transylvania 88 High Fair 1973 Flood Risk Reduction
Cooper Creek (Sutherlin) Oregon Douglas 88 High Fair 1971 Recreation
Colstrip Evaporation Pond Dam Montana Rosebud 88 High Satisfactory 1976 Other
Lake Bastrop Dam Texas Bastrop 88 High Satisfactory 1964 Recreation
Swan Falls Idaho Ada 88 High Satisfactory 1901 Hydroelectric
Lookout Shoals North Carolina Catawba 88 High Satisfactory 1915 Hydroelectric
Gerber Dam Oregon Klamath 88 High Not Available 1925 Irrigation
Fish Creek Colorado Routt 88 High Fair 1954 Water Supply
Mariposa Dam California Mariposa 88 High Not Available 1948 Flood Risk Reduction
Long Draw Colorado Larimer 88 High Satisfactory 1975 Irrigation
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
Minidoka Dam Idaho Minidoka 88 High Not Available 1906 Fish and Wildlife Pond
Mpd No. 4-10 (Horsethief Reservoir) Kansas Hodgeman 88 High Fair 2009 Recreation
Upper Ouachita Site 1 Arkansas Polk 88 High Fair 1977 Water Supply
C.L. Tilden Park California Contra Costa 88 High Satisfactory 1938 Other
Still Branch Reservoir Dam Georgia Pike 88 High Satisfactory -
Yadkin Narrows Bypass Spillway Control Structure North Carolina Montgomery 88 High Poor 1917 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.