Browse Dams

11,361 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,361 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
Midway Fishing Lake Ii Dam North Carolina Cleveland 30 Significant Fair 1958 Recreation
Pond 7 Dam Alaska City and Borough of Juneau 30 Significant Satisfactory 2005 Flood Risk Reduction
Lake Rosemound Dam Louisiana West Feliciana 30 Significant Fair 1960 Recreation
Busseron Dam No. G-3 Indiana Sullivan 30 Significant Fair 1964 Flood Risk Reduction
Thirty-Two Mile Creek C Nebraska Adams 30 Significant Satisfactory 1969 Flood Risk Reduction
Varilek Fishpond #1 South Dakota Charles Mix 30 Significant — 1970 Irrigation
Lake Karylbrook Community Pond (Karen Drive) Maryland Calvert 30 Significant Fair 1990 Recreation
Attica Reservoir Dam New York Wyoming 30 Significant Not Rated 1879 Water Supply
St. Meinrad (North) Dam Indiana Perry 30 Significant Poor 1930
Crouse Utah Uintah 30 Significant Not Rated 1909
Kelley Hot Spring Fish California Modoc 30 Significant Poor —
Green Castle Dam Iowa Marshall 30 Significant Satisfactory 1954 Recreation
Garnett Wyoming Big Horn 30 Significant Poor 1944 Irrigation
Mingus Lake Dam Texas Palo Pinto 30 Significant Not Rated — Irrigation
Ben Smith Dam South Carolina York 30 Significant Fair 1957 Irrigation
Trail Idaho Elmore 30 Significant Fair 1960 Irrigation
Kingsford A-6 Florida Polk 30 Significant Not Rated 1964 Tailings
Geneva Hills Lake Dam Ohio Fairfield 30 Significant Fair — Recreation
Club 20 Lake Dam Texas Van Zandt 30 Significant Not Rated 1962 Irrigation
Hart Lake Dam Lower North Carolina Catawba 30 Significant Fair 1970 Other
White Lake Dam South Dakota Marshall 30 Significant — 1933 Recreation
Assam South Dakota Minnehaha 30 Significant — 1968 Recreation
Griffin Lake Dam Texas Gregg 30 Significant Fair 1953 Irrigation
Adams Lake Dam South Carolina Union 30 Significant Fair 1948 Recreation
Deadmans Basin Water Supply Canal Storage Reservoir #5 Montana Wheatland 30 Significant — — Water Supply
Martin Vermont Windsor 30 Significant Satisfactory 1969 Recreation
Minorca Pit South Minnesota St. Louis 30 Significant Satisfactory 2008 Tailings
Sleepy Hollow Dam Michigan Clinton 30 Significant Satisfactory 1974 Flood Risk Reduction
Anderson (Kenneth) Utah Wasatch 30 Significant Not Rated 1900 Irrigation
Bristol Head #2 Colorado Mineral 30 Significant Fair 1928 Irrigation
Keep Cool Montana Meagher 30 Significant — 1950 Irrigation
Camp Hilaka Lake Dam Ohio Summit 30 Significant Satisfactory 1926 Recreation
Asylum Reservoir #4 Dam Connecticut Middlesex 30 Significant Satisfactory — Water Supply
Nash's Lake Maine Washington 30 Significant Poor 1890 Recreation
Parrish Pond Reservoir Dam New York Monroe 30 Significant Not Rated — Water Supply
Green River Hill Subdivision Dam Kentucky Henderson 30 Significant Satisfactory 1982 Recreation
Cane Creek #3 Dam Tennessee Lauderdale 30 Significant Fair 1965
Grant Mine Tailings Dam Alaska Fairbanks North Star Borough 30 Significant Not Rated 1987 Tailings
Lithium Lagoon A Dam North Carolina Gaston 30 Significant Fair 1960 Other
West Buxton Maine York 30 Significant Satisfactory 1907 Hydroelectric
Phillips Dam North Carolina Henderson 30 Significant Satisfactory — Recreation
Mustang Creek WS SCS Site 1 Dam Texas Concho 30 Significant Fair 1961 Flood Risk Reduction
Sturgis #2 South Dakota Meade 30 Significant — 1894 Water Supply
W.R.Odum Lakes and Dams Alabama Greene 30 Significant Not Rated 1956 Recreation
Dewey Idaho Cassia 30 Significant Satisfactory 1913 Irrigation
Robin Hood #2 Montana Meagher 30 Significant — 1960 Irrigation
Lake Macleod Pennsylvania Allegheny 30 Significant Fair — Recreation
Upper Salt Creek 35-1 Nebraska Lancaster 30 Significant Satisfactory 1956 Other
Walnut Creek 2 Nebraska Saline 30 Significant Satisfactory 1979 Flood Risk Reduction
Circle C No.2 South Dakota Custer 30 Significant — 1956 Fire Protection, Stock, Or ...

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.