Browse Dams

12,906 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,906 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
Sagar Lower Dam North Carolina Transylvania 80 High Satisfactory - Recreation
East Dam Montana Deer Lodge 80 Significant Satisfactory -
Silver Lake Dam Missouri Jefferson 80 High Satisfactory 1981 Tailings
Valley View Lake Dam Missouri Jefferson 80 High Satisfactory 2012
Big Casino Creek Dam Montana Fergus 80 High Satisfactory 1976 Irrigation
South Fourche Lafave Wid Site 6 Arkansas Perry 80 Low Satisfactory 1978 Flood Risk Reduction
Patterson Creek No.48 West Virginia Mineral 79 High Satisfactory 1974 Flood Risk Reduction
Brule Michigan Iron 79 High Satisfactory 1919 Hydroelectric
Wissota South Saddle Dike Wisconsin Chippewa 79 High Satisfactory 1917 Hydroelectric
O'Shaughnessy Ohio Delaware 79 High Satisfactory 1924 Water Supply
Pinson Gravel Company Dam Missouri Washington 79 High Satisfactory 1973 Tailings
Chesbro California Sacramento 79 High Satisfactory 1972 Water Supply
Brays Lake Dam Missouri Phelps 79 High Satisfactory 1963 Recreation
Stanley A. Mahr Reservoir California San Diego 79 High Satisfactory 1981 Water Supply
Lake Timberline Dam Missouri St. Francois 79 High Satisfactory 1963 Recreation
Manatee Cooling Water Reservoir Florida Manatee 79 High Satisfactory 1975 Other
M&S Dam Utah Uintah 79 High Satisfactory 2014 Irrigation
Poteau River Wid Site 12 Arkansas Scott 79 Low Satisfactory 1969 Recreation
Kaposia Park Minnesota Dakota 79 Significant Satisfactory 1932 Flood Risk Reduction
Maffitt Reservoir Dam Iowa Dallas 79 High Satisfactory 1944 Water Supply
Calaveras Creek Dam Texas Bexar 79 High Satisfactory 1969 Hydroelectric
Lake Francis California Yuba 79 High Satisfactory 2000 Water Supply
Wissota North Saddle Dike Wisconsin Chippewa 79 High Satisfactory 1917 Hydroelectric
Ler Van Norman Bypass California Los Angeles 78 Low Satisfactory 1970 Other
Patterson Creek No.21 West Virginia Mineral 78 High Satisfactory 1984 Flood Risk Reduction
South Fork No.13 West Virginia Pendleton 78 High Satisfactory 1960 Flood Risk Reduction
Dos Pueblos California Santa Barbara 78 High Satisfactory 1946 Water Supply
Ponca State Park Dam Nebraska Dixon 78 Low Satisfactory 2003 Other
Queens Creek North Carolina Macon 78 High Satisfactory 1949 Hydroelectric
Cabresto Dam New Mexico Taos 78 High Satisfactory 2012 Irrigation
Lake Trails Dam Missouri St. Louis 78 Significant Satisfactory 1975 Recreation
Double D Ranch Dam Missouri Warren 78 Low Satisfactory 1988 Other
Peterson Lake Colorado Larimer 78 High Satisfactory 1973 Water Supply
Sodom Dam New York Putnam 78 High Satisfactory 1892 Water Supply
Craig Raw Water Colorado Moffat 78 Significant Satisfactory 1961 Water Supply
Worster Colorado Larimer 78 Significant Satisfactory 1911 Irrigation
Desoto Mine Pit & Plant A Dam Missouri Washington 78 High Satisfactory 1980 Tailings
Pa-485 Pennsylvania Washington 78 High Satisfactory 1977 Flood Risk Reduction
Berkeley Lake Dam Georgia Gwinnett 78 High Satisfactory 1948 Recreation
Pitch Wastewater Treatment Colorado Saguache 78 Low Satisfactory 1980 Water Supply
Upper Norton Reservoir Dam Virginia Norton 78 High Satisfactory - Water Supply
Deer Canyon Debris Basin California San Bernardino 78 High Satisfactory 1980 Debris Control
Saddle Dam A Georgia Rabun 78 High Satisfactory 1925 Hydroelectric
Racola Tailings Dam Missouri Washington 78 High Satisfactory 1953 Tailings
Upper Otay California San Diego 78 Low Satisfactory 1901 Water Supply
Fagan Branch Dam Kentucky Marion 78 High Satisfactory 1991 Water Supply
Mcmurry No. 4 Wyoming Natrona 78 High Satisfactory 2014 Fish and Wildlife Pond
Deer Hollow Lake Dam Missouri Warren 78 High Satisfactory 1972 Recreation
Bullhook Lower Diversion Montana Hill 77 High Satisfactory 1955 Flood Risk Reduction
Fairfield Lake Dam Texas Freestone 77 Low Satisfactory 1969 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.