Browse Dams

11,350 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,350 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
Williams Pennsylvania Adams 39 Significant Unsatisfactory 1981 Irrigation
Marshall Golf Course Lake Dam Illinois Clark 39 Significant Not Available 1940 Recreation
Swift Run Lake Dam Ohio Miami 39 Significant Poor 1876 Water Supply
Scribner Air Base East Dam Nebraska Dodge 39 Significant Poor 1954 Flood Risk Reduction
Swan Creek 31 Nebraska Saline 39 Significant Satisfactory 1997 Flood Risk Reduction
Railroad Wyoming Campbell 39 Significant Fair - Fire Protection, Stock, Or ...
Upper Washita River WS SCS Site 10 Dam Texas Hemphill 39 Significant Fair 1962 Flood Risk Reduction
Groundwater Recharge Dam 2-10-3 Nebraska York 39 Significant Satisfactory 1990 Other
Pond 4 (Dam 2b) Wyoming Sweetwater 39 Significant - 1992 Tailings
New Wellington Lake Kansas Sumner 39 Significant Satisfactory 1996 Water Supply
Richard Glines South Dakota Corson 39 Significant - 1910 Recreation
Weeping Water Creek 19-C Nebraska Cass 39 Significant Satisfactory 1995 Flood Risk Reduction
Big Coulee Dam North Dakota Towner 39 Significant Not Rated 1968 Recreation
Elsie Wyoming Converse 39 Significant Poor 1975 Irrigation
Winchester California Placer 39 Significant Satisfactory 1999 Water Supply
Oak-Middle 84-A Nebraska Seward 39 Significant Satisfactory 1964 Flood Risk Reduction
Lake Morris Dam Iowa Lucas 39 Significant Fair 1993 Water Supply
Hayes Lake Minnesota Roseau 39 Significant Fair 1973 Recreation
Glade Spring Pennsylvania Bedford 39 Significant Not Rated 1973 Recreation
Bayou Dupont No 11 Louisiana Sabine 39 Significant Fair 1959 Flood Risk Reduction
Bayou Desiard Dam Louisiana Ouachita 39 Significant Fair 1933 Water Supply
Elk Creek Dam No. 2 Indiana Washington 39 Significant Poor 1960 Flood Risk Reduction
Gs Dd 31-13 Kansas Nemaha 39 Significant - 1992 Flood Risk Reduction
Seleski Lake No. 2 Dam Ohio Harrison 39 Significant Poor 1963 Recreation
Holmes Pond Dam South Carolina Edgefield 39 Significant Fair 1960 Irrigation
Seaway Center Stormwater Detention Dam Washington Snohomish 39 Significant Satisfactory 1989 Flood Risk Reduction
Pond 4 (Dam 2a) Wyoming Sweetwater 39 Significant Fair 1992 Tailings
Big Piney Lake Dam Tennessee Hickman 39 Significant Unsatisfactory 1990
Little Sandy Creek 73 Nebraska Saline 39 Significant Satisfactory 2012 Flood Risk Reduction
Wells Ranch Dam Nebraska Howard 39 Significant Poor 1970 Fire Protection, Stock, Or ...
Bald Peak Group Dam Nebraska Scotts Bluff 39 Significant Satisfactory 1970 Flood Risk Reduction
Leach Dam Nebraska Sheridan 39 Significant Not Rated 1950 Flood Risk Reduction
Mchenry Canyon Db Utah Wasatch 39 Significant Not Rated 1980 Flood Risk Reduction
Lake Charca Dam Texas Johnson 39 Significant Not Rated 1977 Recreation
Sausman Tailings Pennsylvania Huntingdon 39 Significant Not Rated - Tailings
Wilson Creek 1-N Nebraska Otoe 39 Significant Satisfactory 1969 Flood Risk Reduction
Charter Oak North Lake Dam Illinois Peoria 39 Significant Not Available 1978 Recreation
Dd No 18-8 Kansas Brown 39 Significant Fair 1999 Debris Control
Lower Centerville Reservoir Dam Iowa Appanoose 39 Significant Fair 1912 Water Supply
Corcoran Oregon Harney 39 Significant Not Rated 1949 Irrigation
Holiday Lake California El Dorado 39 Significant Satisfactory 1951 Water Supply
Sixmile Creek Wid Site 06 Arkansas Logan 39 Significant Fair 1954 Flood Risk Reduction
Mill Picayune Watershed Site N-2 Iowa Shelby 39 Significant Satisfactory 1972 Flood Risk Reduction
Trego Wisconsin Washburn 39 Significant Satisfactory 1927 Hydroelectric
Burns California Napa 39 Significant Satisfactory 1956 Water Supply
Jm Stuart Station Ash Pond No. 7 Ohio Adams 39 Significant Poor - Tailings
Ler Howell California Santa Clara 39 Significant Satisfactory 1877 Water Supply
Rock Valley Lake Dam Iowa Wayne 39 Significant Fair 2008 Recreation
Royal Oak Golf Course Pond No. 2 Dam Ohio Clermont 39 Significant Poor 1966 Water Supply
Schoonbeck Lake Dam North Carolina Randolph 39 Significant Fair 1965 Recreation

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.