Browse Dams

92,766 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,766 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.

Name State County Height (ft) Hazard Condition Year Purpose
Coyote Valley Dam California Mendocino 180 High Not Available 1959 Flood Risk Reduction
Shaver Lake California Fresno 180 High Satisfactory 1927 Hydroelectric
Albeni Falls Dam Idaho Bonner 180 High Not Available 1955 Hydroelectric
Mackenzie Dam Texas Briscoe 180 High Fair 1974 Water Supply
Spillway Dam Oregon Clackamas 180 High Fair 1962 Water Supply
Bear Creek Dam Colorado Jefferson 179 High Not Available 1979 Flood Risk Reduction
Scott's Run Cinder Barrier West Virginia Kanawha 179 High Satisfactory 1955 Tailings
Cambria Slurry Pond #4 Pennsylvania Cambria 178 High Fair - Other
Round Valley South Dam New Jersey Hunterdon 178 High Satisfactory 1961 Water Supply
Wolf Creek North Carolina Jackson 178 High Satisfactory 1955 Hydroelectric
Mad River Flood Control Dam Connecticut Litchfield 178 High Satisfactory 1963 Flood Risk Reduction
Beltzville Dam Pennsylvania Carbon 177 High Not Available 1969 Flood Risk Reduction
Currant Creek Dam Utah Wasatch 177 High Not Available 1975 Fish and Wildlife Pond
Cabinet Gorge Idaho Bonner 177 High Satisfactory 1952 Hydroelectric
Kinzua Dam Pennsylvania Warren 177 High Not Available 1965 Flood Risk Reduction
Upper Chiquita California Orange 177 High Satisfactory 2012 Water Supply
Tims Ford Dam Tennessee Franklin 175 High Not Available 1970 Flood Risk Reduction
Wynoochee Washington Grays Harbor 175 High Satisfactory 1972 Water Supply
Wanship Dam Utah Summit 175 High Not Available 1957 Irrigation
Indian Pond Maine Somerset 175 High Satisfactory 1955 Hydroelectric
Paradise California Butte 175 High Satisfactory 1957 Water Supply
North Saluda Reservoir Dam South Carolina Greenville 175 High Fair 1956 Water Supply
Cherokee Dam Tennessee Jefferson 175 High Not Available 1941 Flood Risk Reduction
Bowman Main California Nevada 175 High Satisfactory 1926 Irrigation
Falcon Dam Texas Starr 175 High Fair 1953 Flood Risk Reduction
Salmon Creek Alaska City and Borough of Juneau 175 High Satisfactory 1914 Hydroelectric
Scotts Flat California Nevada 175 High Fair 1948 Fire Protection, Stock, Or ...
Liberty Dam Maryland Baltimore 175 High Unsatisfactory 1953 Water Supply
Clinton Gulch Colorado Summit 175 High Satisfactory 1977 Water Supply
Cannonsville Dam New York Delaware 175 High Satisfactory 1964 Water Supply
Refuse Disposal Area Illinois Saline 175 Significant Not Available - Water Supply
Wheeler Dam Alabama Lauderdale 175 High Not Available 1936 Hydroelectric
Stan Raetz Dam Oklahoma Caddo 174 Low Not Rated - Other
Walter Bouldin Alabama Elmore 174 High Satisfactory 1967 Hydroelectric
Swan Lake Alaska Ketchikan Gateway Borough 174 High Satisfactory 1984 Hydroelectric
New Croton Reservoir Dam New York Westchester 174 High Satisfactory 1906 Water Supply
Silver Jack Dam Colorado Gunnison 173 High Not Available 1971 Irrigation
Cedar Cliff North Carolina Jackson 173 High Fair 1952 Hydroelectric
Moss No 3 Dam 3 Virginia Russell 173 Undetermined Not Rated - Tailings
Mason Dam Oregon Baker 173 High Not Available 1968 Flood Risk Reduction
Diemer No. 8 California Orange 172 Significant Satisfactory 1968 Water Supply
Virginia Ranch California Yuba 172 High Satisfactory 1963 Irrigation
Wood Creek Lake Dam Kentucky Laurel 172 High Fair 1969 Water Supply
Big Cliff Dam Oregon Marion 172 High Not Available 1954 Hydroelectric
Camanche Main California San Joaquin 171 High Satisfactory 1964 Water Supply
Deerfield Dam South Dakota Pennington 171 High Not Available 1947 Fish and Wildlife Pond
Walter F. George Lock and Dam Alabama Clay 171 High Not Available 1962 Hydroelectric
New Viburnum Tailings Dam Missouri Iron 170 High Satisfactory 1981 Other
Keowee South Carolina Oconee 170 High Satisfactory 1971 Hydroelectric
C.C. Cragin Dam Arizona Coconino 170 High Not Available 1964 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.