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Browse Dams

7,711 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 7,711 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
Frd No W-5 Kansas Brown 41 Significant Poor 1963 Flood Risk Reduction
Delaney Creek Dam No. 2 Indiana Washington 41 High Poor 1971 Flood Risk Reduction
Abiaca Watershed Structure Y-34-04 Dam Mississippi Carroll 41 High Poor 1968 Flood Risk Reduction
Spring Creek 11-A 303 Nebraska Dawson 41 Significant Poor 1972 Flood Risk Reduction
Great Hill Reservior Dam Connecticut New Haven 41 High Poor 1909 Recreation
Six Mile Wyoming Natrona 41 Low Poor 1951 Irrigation
Wehrspann Sediment Dam Nebraska Sarpy 41 Significant Poor 2000 Other
Little Raccoon Dam No. 16 Indiana Parke 41 Low Poor 1969 Flood Risk Reduction
Truman Harless Lake Dam Indiana Morgan 41 Low Poor 1976 Recreation
South Fork Broad River WS #19 Georgia Oglethorpe 41 High Poor 1968 Flood Risk Reduction
Twin Branch Indiana St. Joseph 41 High Poor 1903 Hydroelectric
Runnebaum Dam Kansas Leavenworth 41 High Poor 1977 Recreation
Dale Lake Dam Indiana Spencer 41 High Poor 1957 Recreation
Black Eagle Montana Cascade 41 High Poor 1891 Hydroelectric
Frd No 19 Kansas Harvey 41 High Poor — Flood Risk Reduction
East Point Reservoir Dam Georgia Fulton 41 High Poor 1965 Water Supply
Curltail Dam South Carolina Greenwood 41 High Poor 1993 Fire Protection, Stock, Or ...
Upper Gila Valley Site No. 12 Dam New Mexico Grant 41 High Poor 1963 Flood Risk Reduction
Brown Lake Oklahoma Pittsburg 41 High Poor 1943 Water Supply
Wrich Dam 2 Nebraska Washington 41 Low Poor 1980 Other
International Animal Preserve Pond Dam #8 Ohio Muskingum 41 Significant Poor 1962 Water Supply
Peat Swamp Reservoir Dam Connecticut New Haven 41 High Poor 1925 Water Supply
Jeffco Pond Dam No. 21 Ohio Harrison 41 Significant Poor — Recreation
Jm Stuart Station Ash Pond No. 5 Ohio Adams 41 Significant Poor — Tailings
Pied Piper Dam Lower North Carolina Cherokee 41 High Poor 1975 Recreation
Big Indian Creek 13-B Nebraska Gage 41 Low Poor 1970 Flood Risk Reduction
Caballo Arroyo Dam No. 5 New Mexico Doña Ana 40 Significant Poor 1960 Flood Risk Reduction
Martin County Lake Dam Kentucky Martin 40 Significant Poor 1964 Recreation
Tk Jessup Lake Dam Kentucky Muhlenberg 40 Low Poor 1976 Recreation
Lexington Reservoir 3 Dam Kentucky Fayette 40 High Poor 1902 Recreation
Mock Bass Wyoming Sheridan 40 Low Poor 1966 Fire Protection, Stock, Or ...
Ilion Reservoir #1 Dam New York Herkimer 40 High Poor 1895 Water Supply
Ranken Pond Dam South Carolina Anderson 40 High Poor 1949 Recreation
Lake Herington Kansas Dickinson 40 High Poor 1923 Recreation
Lazy G Ranch Dam #2 North Carolina Davidson 40 Significant Poor — Fire Protection, Stock, Or ...
Openwood Plantation Lake Number 1 Dam Mississippi Warren 40 Undetermined Poor — Recreation
Chadron Dam 1 Nebraska Dawes 40 Low Poor 1888 Water Supply
Rank Dam South Dakota Buffalo 40 High Poor 1935 Recreation
Upper Golden Hills Dam South Carolina Lexington 40 High Poor — Recreation
Pumpkinvine Creek W/S Str. # 3 Georgia Paulding 40 High Poor 1955 Flood Risk Reduction
Paradise Lakes - South Lake Dam Ohio Preble 40 High Poor 1946 Recreation
Blue River Dam Oklahoma Bryan 40 High Poor 1979 Water Supply
New Milford Reservoir #4 Dam Connecticut Litchfield 40 Significant Poor 1900 Recreation
Mount Williams Reservoir Dam & Dike Massachusetts Berkshire 40 High Poor 1914 Water Supply
Carlton Lake Oklahoma Latimer 40 High Poor 1938 Recreation
Bonneville Wyoming Fremont 40 Low Poor 1914 Other
Hinckley Lake Dam Ohio Medina 40 High Poor 1928 Recreation
Lake Gary Dam Mississippi Greene 40 Undetermined Poor — Recreation
Mill - Canton Creek W/S Structure No. 7 Dam Georgia Cherokee 40 High Poor 1963 Flood Risk Reduction
Windmill Plantation Lake Dam Georgia Columbia 40 High Poor 1985 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.