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
Peil Livestock Dam Nebraska Adams 18 Low Satisfactory 1985 Fire Protection, Stock, Or ...
Lampman Dam 1 Nebraska Boyd 18 Low Satisfactory 1979 Irrigation
Spring Dam Tennessee Cumberland 18 Significant Satisfactory 1967
Point of The Mountain Raw Water Res Utah Salt Lake 18 High Satisfactory 2006 Water Supply
The Lakes At Red Rock Dam Virginia Loudoun 18 High Satisfactory - Recreation
Leesburg South Regional Swm Pond Dam Virginia Loudoun 18 High Satisfactory - Flood Risk Reduction
Hortonville Wisconsin Outagamie 18 High Satisfactory 1915 Recreation
Bolt 36 Resuse Pit Wyoming Campbell 18 Low Satisfactory 2023 Other
Warren Virginia Warren 18 Low Satisfactory 1924 Hydroelectric
Mustang Creek California Merced 18 Significant Satisfactory 1975 Flood Risk Reduction
Structure P-3 Florida Polk 18 High Satisfactory 1965 Flood Risk Reduction
Seeley Lake Colorado Weld 18 Low Satisfactory 1902 Irrigation
Argo Dam Michigan Washtenaw 18 High Satisfactory 1920 Recreation
Millecoquins Creek Dam Michigan Mackinac 18 Low Satisfactory 1965 Recreation
Lower Wilson Pond Dam New Hampshire Cheshire 18 Significant Satisfactory 1925 Recreation
Johnson Dam Nebraska Sheridan 18 Low Satisfactory 1980 Fire Protection, Stock, Or ...
Sheppards Mill Pond Dam New Jersey Cumberland 18 Low Satisfactory 1885 Recreation
Allentown Dam New Jersey Monmouth 18 High Satisfactory - Recreation
Loudonville Reservoir Dam New York Albany 18 High Satisfactory 1936 Water Supply
Foxton Lake Pennsylvania Susquehanna 18 Low Satisfactory 1874 Recreation
Buckaroo Freshwater Cell Wyoming Laramie 18 Low Satisfactory 2018 Irrigation
Bass Lake California Siskiyou 18 Low Satisfactory 1949 Water Supply
Heritage Park; Dam A Kansas Johnson 18 Low Satisfactory - Irrigation
Manitou Properties Dam 2 Michigan Hillsdale 18 Low Satisfactory 1972 Recreation
North Ottawa Minnesota Grant 18 Significant Satisfactory 2008 Flood Risk Reduction
Sunrise River Minnesota Chisago 18 Low Satisfactory 1885 Recreation
Lake Forrest Subdiv Lake Dam Mississippi DeSoto 18 Undetermined Satisfactory - Recreation
Witt Feedyard Lagoon Dam Nebraska Polk 18 Low Satisfactory 2007 Other
Hopkinton Sewage Lagoon Dam New Hampshire Merrimack 18 Significant Satisfactory 1983 Other
Valmont Dam North Carolina Henderson 18 High Satisfactory - Recreation
Kanter Larsen Dam Nebraska Deuel 18 Low Satisfactory 1981 Other
Shepherd Lake Dam New Jersey Passaic 18 Low Satisfactory - Recreation
Mill Pennsylvania York 18 High Satisfactory 1863 Grade Stabilization
Pohopoco Creek Pennsylvania Carbon 18 Low Satisfactory 1909 Recreation
Edisto Pond Dam South Carolina Bamberg 18 Low Satisfactory 1956 Recreation
Sand Run Lake West Virginia Tucker 18 Significant Satisfactory 1978 Recreation
Newman Lake Dam Virginia Harrisonburg 18 High Satisfactory - Flood Risk Reduction
Orchid Lake Dam Virginia Louisa 18 Low Satisfactory 1966 Recreation
Okauchee Lake Wisconsin Waukesha 18 Low Satisfactory 1961 Recreation
United Off-Channel Reservoir Dam Texas Hidalgo 18 High Satisfactory -
Jepps Pond Dam Connecticut New Haven 18 Significant Satisfactory - Recreation
Mathers Pond Dam Connecticut Fairfield 18 Significant Satisfactory 1921 Recreation
Bedford - Canal Embankment Virginia Amherst 18 Low Satisfactory 1850 Hydroelectric
Trabuco Retarding Basin California Orange 18 High Satisfactory 1996 Flood Risk Reduction
Marston Lake - Northwest Dike Colorado Denver 18 High Satisfactory 1899 Water Supply
Southington Reservoir #1 Dam Connecticut Hartford 18 Significant Satisfactory - Water Supply
Shoreline Lake California Santa Clara 18 Low Satisfactory - Water Supply
Lake Whittemore Dam Massachusetts Worcester 18 High Satisfactory - Recreation
Lovejoy Pond Maine Kennebec 18 Low Satisfactory 1835 Recreation
Lake Templene Dam Michigan St. Joseph 18 Significant Satisfactory 1972 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.