Browse Dams

11,350 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,350 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
Abiaca Watershed Structure Y-34-28 Dam Mississippi Carroll 32 Significant Unsatisfactory 1972 Flood Risk Reduction
Wilson Big Hollow Dam West Virginia Hampshire 32 Significant Satisfactory - Recreation
Little Falls Dist Reservoir Dam New York Herkimer 32 Significant Satisfactory 1960 Water Supply
South Anna Dam #23 Virginia Louisa 32 Significant Fair - Flood Risk Reduction
Jug Creek Upper Idaho Valley 32 Significant Fair 1946 Irrigation
Lake George Alabama Jefferson 32 Significant Not Rated 1950 Recreation
Little Park Dam Oregon Union 32 Significant Not Rated 1958 Irrigation
Mississippi River Lock and Dam 22 Missouri Ralls 32 Significant Not Available 1938 Navigation
Amann Reservoir Dam Ohio Morrow 32 Significant Poor 1904 Water Supply
Ladysmith Lake Dam Virginia Caroline 31 Significant Satisfactory - Recreation
Kentucky River Lock & Dam 8 Kentucky Jessamine 31 Significant Satisfactory 1900 Navigation
Green Valley Country Club Dam Kentucky Oldham 31 Significant Poor 1967 Recreation
Bear Lake Dam Florida Santa Rosa 31 Significant Not Rated 1959 Recreation
Jessup Prison Dam Maryland Anne Arundel 31 Significant Fair 1982 Flood Risk Reduction
Twin Lakes Lower Dam South Carolina Edgefield 31 Significant Fair - Recreation
Jerry Powell Dam Kentucky Henry 31 Significant Poor - Recreation
Kansas Ottawa 31 Significant Satisfactory 1969 Flood Risk Reduction
Wilford Sherbert Dam South Carolina Spartanburg 31 Significant Fair 1959 Recreation
Crystal Pond Dam Connecticut Windham 31 Significant Fair 1900 Recreation
Challenge Farm Lake Dam Indiana Hamilton 31 Significant Poor 1969 Water Supply
Lake Bailey Arkansas Conway 31 Significant Satisfactory 1940 Recreation
Coxsackie Reservoir Dam New York Greene 31 Significant Poor 1940 Water Supply
Lake Campbell Dam Arkansas Perry 31 Significant Fair 1965 Recreation
SCS-Cane Creek Site-24 Oklahoma Muskogee 31 Significant Fair 1969 Flood Risk Reduction
SCS-Sugar Creek Site-025 Oklahoma Caddo 31 Significant Fair 1967 Flood Risk Reduction
Aitken Lake Dam Indiana Parke 31 Significant Poor 1973 Recreation
Green Point-Upper (No. 2) Oregon Hood River 31 Significant Not Rated 1937 Irrigation
Thorson Group West Minnesota Houston 31 Significant Poor 1963 Flood Risk Reduction
Harvey Lake Dam Tennessee Bedford 31 Significant - 1965
Pecks Lower Pond Dam Massachusetts Berkshire 31 Significant Unsatisfactory 1877
Kinloch Farm Dam Virginia Fauquier 31 Significant Satisfactory - Recreation
Gs Dd No 55 Kansas Pottawatomie 31 Significant Satisfactory 1996 Flood Risk Reduction
Bishop Lake Dam Missouri Montgomery 31 Significant Not Rated 1976 Irrigation
Cherry Lake Dam Indiana Monroe 31 Significant Poor 1940 Recreation
Hatch Pond Dam Connecticut Litchfield 31 Significant Poor 1900 Recreation
Farmers Creek WS SCS Site 7 Dam Texas Montague 31 Significant Not Rated 1979 Flood Risk Reduction
West Fork Above Bridgeport WS SCS Site 9 Dam Texas Jack 31 Significant Not Rated 1952 Flood Risk Reduction
Rogers - Joseph Reservoir Oregon Clackamas 31 Significant Not Rated 1971 Irrigation
Attoyac Bayou WS SCS Site 12 Dam Texas Shelby 31 Significant Not Rated 1976 Flood Risk Reduction
SCS-Upper Clear Boggy Creek Site-27 Oklahoma Pontotoc 31 Significant Fair 1980 Flood Risk Reduction
SCS-Roaring Creek Site-S3 Oklahoma Grady 31 Significant Fair 1966 Flood Risk Reduction
Fillmore County Road 21 Minnesota Fillmore 31 Significant Satisfactory 1979 Flood Risk Reduction
Browne Lake Utah Daggett 31 Significant Not Rated 1957 Recreation
Cornett California Mendocino 31 Significant Satisfactory 1974 Water Supply
York Creek WS SCS Site 6 Dam Texas Guadalupe 31 Significant Not Rated 1962 Flood Risk Reduction
Gustafson Dam; Alfred North Dakota Dunn 31 Significant Not Rated 1962 Irrigation
Upper Van Horn Reservoir Dam Massachusetts Hampden 31 Significant Poor 1848 Recreation
Labaron Utah Beaver 31 Significant Not Rated 1966 Recreation
Simmons Dam Tennessee Humphreys 31 Significant - 1971
Freddies Lake Dam Missouri Wright 31 Significant Not Rated - 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.