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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Brainerd Minnesota Crow Wing 21 High Satisfactory 1950 Hydroelectric
Grand Rapids Minnesota Itasca 21 Significant Satisfactory 1916 Hydroelectric
Florence Retarding Arizona Pinal 21 High Satisfactory 1965 Flood Risk Reduction
Ibm Corp Technical Institute Dam New York Westchester 21 Significant Satisfactory 1985 Flood Risk Reduction
Thompson Creek #3 Dam Tennessee Weakley 21 Low Satisfactory 1965
Pickerel Control Structure Wisconsin Oneida 21 Low Satisfactory 1935 Hydroelectric
Feeder Dam New York Warren 21 Low Satisfactory 1924 Hydroelectric
Breckenridge Recreation Center Dam North Carolina Wake 21 High Satisfactory 2001 Recreation
Copper Creek Estates Dam Iowa Polk 21 Significant Satisfactory 2002 Flood Risk Reduction
Collington Facility 9 Dam (Dunwood Crossing Dr) Maryland Prince George's 21 High Satisfactory 1990 Flood Risk Reduction
Hoover Lake Dam Mississippi Rankin 21 High Satisfactory 1950 Recreation
West Albany Storm Retention Basin A Dam New York Albany 21 Significant Satisfactory 1980 Flood Risk Reduction
Centralia Coal Mine Dam No 3c East Washington Lewis 21 Significant Satisfactory 1987 Tailings
Joy Lake Dam Georgia Clayton 21 High Satisfactory 1954 Recreation
No. Fork Forked Deer #3 Dam Tennessee Gibson 21 High Satisfactory 1990
Carter's Pond Dam Virginia Hanover 21 Significant Satisfactory - Recreation
Ladd's Mill Vermont Washington 21 Low Satisfactory 1928 Hydroelectric
Stanley Quarter Park Pond Dam Connecticut Hartford 21 Significant Satisfactory - Recreation
Yards Creek Upper - East Dike New Jersey Warren 21 High Satisfactory 1965 Hydroelectric
Lock C-12 New York Washington 21 Significant Satisfactory 1911 Hydroelectric
B-I Detention Basin Dam Oklahoma Comanche 21 Significant Satisfactory 1999 Flood Risk Reduction
Amarillo Terminal Dam Texas Potter 21 High Satisfactory 1964 Water Supply
Fair Lakes Land Bay 2 Swm Bmp Pond Dam Virginia Fairfax 21 High Satisfactory - Flood Risk Reduction
Koontz Run Reservoir Tanks Maryland Allegany 21 High Satisfactory 2015 Water Supply
Unocal Storage Pond #3 Colorado Garfield 21 Low Satisfactory 1989 Tailings
New York State Dam New York Saratoga 21 Low Satisfactory 1840 Hydroelectric
Clinton Flood Control - Springvalley Pond Dam Iowa Clinton 21 High Satisfactory 1994 Flood Risk Reduction
Jim Naismith Reservoir Texas San Patricio 21 High Satisfactory 2000 Water Supply
Montgomery College - Germantown Campus - Swm Pond Maryland Montgomery 21 Low Satisfactory 1987 Flood Risk Reduction
Pine Tree Brook Pl-566 Flood Control Dam Massachusetts Norfolk 21 Significant Satisfactory 1955 Flood Risk Reduction
Surry Power Station Dredge Material Management Area Perimeter Embankment Dam Virginia Surry 21 Low Satisfactory - Other
Lee/Hammond Water Treatment Pond New Mexico San Juan 21 High Satisfactory 1999 Water Supply
W H Austin Pond Dam Mississippi DeSoto 21 Low Satisfactory 1960 Flood Risk Reduction
Asso.Minerals (Usa) Ltd. Dam Florida Clay 20 Significant Satisfactory 1970 Fire Protection, Stock, Or ...
Kossler Colorado Boulder 20 High Satisfactory 1909 Hydroelectric
Necedah Wisconsin Juneau 20 Low Satisfactory 1850 Recreation
Nichols Lake Dam Arkansas Howard 20 High Satisfactory 1928 Water Supply
Hegbert 13 Minnesota Swift 20 Low Satisfactory - Flood Risk Reduction
Gates Pond Dam North Carolina Johnston 20 Low Satisfactory - Recreation
Cortner Dam Tennessee Bedford 20 Low Satisfactory 1954
Griggs Colorado Grand 20 Low Satisfactory 1948 Irrigation
Upland Basin California San Bernardino 20 High Satisfactory 2008 Flood Risk Reduction
Easton Wisconsin Adams 20 Low Satisfactory 1855 Recreation
Jacobs Pond Dam North Carolina Gaston 20 High Satisfactory - Recreation
Mill Pond Dam No 2 Arkansas Howard 20 Low Satisfactory 1962 Tailings
Mccreary California Lake 20 Low Satisfactory 1961 Water Supply
Bennett Colorado Jackson 20 Low Satisfactory 1976 Irrigation
Ireland #5 Colorado Weld 20 Low Satisfactory 1976 Irrigation
Curtis Lake Colorado Larimer 20 Significant Satisfactory 1906 Water Supply
Trail Ridge Plant Settling Area Florida Bradford 20 Significant Satisfactory 1976 Other

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.