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
Baseline - Northwest Colorado Boulder 20 High Satisfactory 1905 Irrigation
Modesto Effluent Storage California Stanislaus 20 Significant Satisfactory 1987 Water Supply
Slack Idaho Owyhee 20 Low Satisfactory 1916 Other
Partridgeville Pond Dam Massachusetts Worcester 20 Significant Satisfactory 1938 Recreation
Pine Forest Dam North Carolina Wake 20 Significant Satisfactory - Recreation
Justin Ellicot Dam Nebraska Thayer 20 Low Satisfactory 1991 Irrigation
Donnel Stelling Dam Nebraska Thayer 20 Low Satisfactory 1986 Other
Blackwells Mills Dam New Jersey Somerset 20 Significant Satisfactory - Flood Risk Reduction
Lower Reservoir Dam New York Otsego 20 Significant Satisfactory - Water Supply
Chain Pennsylvania Northampton 20 Low Satisfactory - Recreation
Stark Pennsylvania Lackawanna 20 Low Satisfactory 1850 Recreation
Otter Dam Tennessee Shelby 20 High Satisfactory 1954
Ozone Dam Tennessee Cumberland 20 Significant Satisfactory 1961
Dutch Canyon Dam - Midway Irrigation Utah Wasatch 20 High Satisfactory 2007 Irrigation
Lake Anne Dam Virginia Fauquier 20 High Satisfactory - Recreation
Occoquan Lower Storage Dam Virginia Fairfax 20 High Satisfactory - Water Supply
Pine Shore Dam North Carolina Transylvania 20 High Satisfactory - Recreation
Greystone Falls Dam Connecticut Litchfield 20 Significant Satisfactory - Recreation
Angelo Dam Wisconsin Monroe 20 Low Satisfactory 1920 Hydroelectric
Emergency Storage Basin California Sacramento 20 Low Satisfactory 1977 Water Supply
Shugru California Lassen 20 Low Satisfactory - Other
Duffy Pond Dam Michigan St. Clair 20 Low Satisfactory 1972 Recreation
Kent Lake Dam Michigan Livingston 20 Significant Satisfactory 1946 Recreation
Lee Linder Dam Mississippi Panola 20 Low Satisfactory 2003 Flood Risk Reduction
David Lake Dam Mississippi Pearl River 20 Undetermined Satisfactory 1979 Recreation
Barnes Lake Dam North Carolina Cumberland 20 Low Satisfactory 1969 Recreation
Cohas Avenue Dam New Hampshire Hillsborough 20 Low Satisfactory 1874 Water Supply
Ballis Dam North Carolina Sampson 20 Low Satisfactory - Fire Protection, Stock, Or ...
Echo Lake Dam New Jersey Union 20 Significant Satisfactory 1930 Recreation
Cub Lake Dam New Jersey Sussex 20 Significant Satisfactory - Recreation
Vonasek Dam 1835 Nebraska Holt 20 Low Satisfactory 1958 Other
Forest Lake Dam New Jersey Sussex 20 High Satisfactory 1951 Recreation
Surprise Lake Dam New Jersey Union 20 Low Satisfactory 1928 Recreation
Upper Sylvan Lake Dam New Jersey Burlington 20 Significant Satisfactory 1941 Recreation
Kinneyville Pond Pennsylvania Wayne 20 Low Satisfactory 1850 Recreation
Country Lake Estates Dam Tennessee Haywood 20 Low Satisfactory 1994
Boondock Dam Tennessee Fentress 20 Low Satisfactory 1969
Zion Lake Dam Tennessee Haywood 20 Low Satisfactory 1960
Honeymoon Lake Dam Washington Island 20 High Satisfactory 1969 Recreation
Wheeler Wisconsin Oconto 20 High Satisfactory 1880 Recreation
Hinkle Lake West Virginia Harrison 20 High Satisfactory 1923 Recreation
Spring Farm Pond Dam North Carolina Henderson 20 Significant Satisfactory - Recreation
Deuses Pond Dam Connecticut Middlesex 20 Significant Satisfactory 1916 Hydroelectric
Capik California Modoc 20 Low Satisfactory 1965 Other
Basin #2 Colorado Delta 20 Low Satisfactory 1949 Water Supply
Brighton Lake Dam Michigan Livingston 20 Significant Satisfactory 1929 Recreation
Moose River Project Minnesota Beltrami 20 Low Satisfactory 1986 Flood Risk Reduction
Mccrea 12 Minnesota Marshall 20 Significant Satisfactory 2008 Flood Risk Reduction
Carrier Creek Structure B Michigan Eaton 20 High Satisfactory 2008 Flood Risk Reduction
Chokio Detention Minnesota Stevens 20 Low Satisfactory 2001 Flood Risk Reduction

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.