Browse Dams

12,908 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,908 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
Sunridge Canyon (No. 7) Arizona Maricopa 56 High Satisfactory 1972 Flood Risk Reduction
Detention Pine Ridge No. 1 Wyoming Goshen 56 Low Satisfactory 1958 Flood Risk Reduction
Port Creek Reservoir Dam New York Fulton 56 High Satisfactory 1930 Water Supply
E Fork Pt Remove Creek Wid Site 05 Arkansas Johnson 56 Low Satisfactory 1967 Fish and Wildlife Pond
Municipal California Solano 56 High Satisfactory 1939 Water Supply
W Fork Pt Remove Creek Wid Site 10 Arkansas Pope 56 Low Satisfactory 1964 Flood Risk Reduction
Craig Holding & Evaporation Ponds Colorado Moffat 56 Significant Satisfactory 1978 Water Supply
Moody Reservoir Dam Connecticut New Haven 56 High Satisfactory 1900 Water Supply
Lake Macbride Dam Iowa Johnson 56 Significant Satisfactory 1930 Recreation
Foothills Colorado Boulder 56 High Satisfactory 1911 Irrigation
Hickory Grove Lake Dam Iowa Story 56 Significant Satisfactory 1966 Recreation
Little Choconut Site 2b Dam New York Broome 56 High Satisfactory 1968 Flood Risk Reduction
Lake Kah-Tan-Da Dam Missouri Perry 56 High Satisfactory 1966 Recreation
Windsor #8 Colorado Larimer 56 High Satisfactory 1903 Irrigation
Clinton Reservoir Dam New Jersey Passaic 56 High Satisfactory 1894 Water Supply
Marrowbone Dam Tennessee Davidson 56 High Satisfactory 1939
Mannington Water Supply Dam West Virginia Marion 56 High Satisfactory 1964 Recreation
Buckeye Water District Reservoir Ohio Columbiana 56 High Satisfactory 2008 Water Supply
Joe Machs Lake Dam Missouri St. Louis 56 High Satisfactory 1996
Lake Louise Dam Missouri Livingston 56 High Satisfactory 1997
J.C. Jacobsen California Kern 56 High Satisfactory 1973 Water Supply
Indian Creek Community Dam Missouri Livingston 56 High Satisfactory 1988 Recreation
Green Valley Lake California San Bernardino 56 Low Satisfactory 1925 Water Supply
Lonedell Lake Dam Missouri Franklin 56 High Satisfactory 1972 Recreation
Borden Lake Dam Indiana Clark 56 High Satisfactory 1971 Flood Risk Reduction
Lima Montana Beaverhead 56 High Satisfactory 1934 Irrigation
Rattle & Snap #21 Dam Tennessee Maury 56 Significant Satisfactory 1980
2nd Broad River Watershed Dam #2 North Carolina Rutherford 56 High Satisfactory 1995 Flood Risk Reduction
Middle Big Nemaha 88 Nebraska Johnson 56 Significant Satisfactory 2001 Flood Risk Reduction
South Zumbro Wr-6a Minnesota Olmsted 56 High Satisfactory 1989 Flood Risk Reduction
South River Dam #4 Virginia Augusta 56 High Satisfactory - Flood Risk Reduction
Landolt Dam Missouri Montgomery 56 High Satisfactory 2006
Middle Big Nemaha 4 Nebraska Johnson 56 Low Satisfactory 2003 Flood Risk Reduction
Lake Thoreau Dam Virginia Fairfax 56 High Satisfactory - Recreation
Lake Icaria Dam (Site M-1-A Walters Cr) Iowa Adams 56 Significant Satisfactory 1974 Flood Risk Reduction
Foss Valley California Napa 56 High Satisfactory 1988 Water Supply
West Lake Vermont Windham 56 High Satisfactory 2015 Recreation
Eklutna Dam Alaska Municipality of Anchorage 56 High Satisfactory 1965 Hydroelectric
Hunters Run Structure No. 2 Ohio Fairfield 56 Significant Satisfactory 1955 Flood Risk Reduction
Georgetown Dam Montana Deer Lodge 55 High Satisfactory 1900 Hydroelectric
Lac Lafitte Dam Missouri St. Francois 55 High Satisfactory 1977 Recreation
Parr Shoals Dam South Carolina Newberry 55 High Satisfactory 1914 Hydroelectric
White Tanks #3 Arizona Maricopa 55 High Satisfactory 1956 Flood Risk Reduction
Shearon Harris Auxiliary Reservoir Dam North Carolina Wake 55 Low Satisfactory 1979 Other
Chippewa Creek Structure Iii-A Ohio Medina 55 High Satisfactory 1980 Flood Risk Reduction
Lake Tapawingo Dam Missouri Jackson 55 High Satisfactory 1926 Recreation
Solomon Gulch Spillway Alaska Chugach Census Area 55 High Satisfactory 1981 Hydroelectric
Turkey Creek 8 Nebraska Saline 55 Low Satisfactory 2009 Flood Risk Reduction
Harrisonville City Lake Dam Missouri Cass 55 High Satisfactory 1971 Recreation
Bosch No. 2 California Sonoma 55 Significant Satisfactory 1962 Water Supply

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.