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Browse Dams

16,894 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 16,894 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
Lake Brownwood Dam Texas Brown 120 High Satisfactory 1933 Water Supply
Milton Seaman Colorado Larimer 120 High Satisfactory 1948 Water Supply
Yadkin Falls North Carolina Montgomery 120 High Fair 1919 Hydroelectric
Rocky Mtn Ps Lower Main Dam Georgia Floyd 120 High Satisfactory 1993 Hydroelectric
Continental Colorado Hinsdale 120 High Satisfactory 1927 Irrigation
Rocky Mtn Ps Upper Dam and Fused Overpump Spillway Georgia Floyd 120 High Satisfactory 1995 Hydroelectric
Lake Desmet (A,B,C & Spillway Dikes) Wyoming Johnson 120 High Fair 1975 Water Supply
Tiger Creek Afterbay California Amador 120 High Fair 1931 Hydroelectric
Champion Creek Dam Texas Mitchell 120 High Fair 1959 Recreation
Fawn Mine #91 Refuse Impoundment Pennsylvania Butler 120 High Fair — Other
Lake Desmet (North Dam) Wyoming Johnson 120 High Fair 1975 Water Supply
Boonton Dam New Jersey Morris 120 High Satisfactory 1905 Water Supply
Cliffside Active Ash Basin Downstream Dam North Carolina Cleveland 120 High Satisfactory 1972 Tailings
Bluecat Lake Dam Tennessee Maury 120 High Satisfactory 1979
Edwards Reservoir California Santa Barbara 120 High Satisfactory 1985 Water Supply
Maple Creek Slurry Pond 1 Pennsylvania Washington 120 High Satisfactory 1973 Other
Grayson Dam Kentucky Carter 120 High Not Available 1968 Flood Risk Reduction
Wallace Georgia Hancock 120 High Satisfactory 1980 Hydroelectric
Red Mountain Reservoir California San Diego 120 High Satisfactory 1985 Water Supply
Optima Dam Oklahoma Texas 120 High Not Available 1978 Flood Risk Reduction
Little Mulberry Creek Site 1 Arkansas Crawford 120 High Fair 1975 Water Supply
Cecil M. Harden Dam Indiana Parke 119 High Not Available 1960 Flood Risk Reduction
Otter Brook Dam New Hampshire Cheshire 119 High Not Available 1958 Flood Risk Reduction
Lewiston Reservoir Dike New York Niagara 119 High Satisfactory 1963 Hydroelectric
T Or C Site 8c Dam New Mexico Sierra 119 High Poor 1981 Flood Risk Reduction
Wylie South Carolina York 119 High Satisfactory 1925 Hydroelectric
Hog Park Main Dam Wyoming Carbon 118 High — 1986 Water Supply
Wirtz Dam Texas Burnet 118 High Satisfactory 1951 Irrigation
John Martin Dam - Fort Lyon Protective Works Colorado Bent 118 High Not Available 1943 Flood Risk Reduction
Grassy Lake Dam Wyoming Teton 118 High Not Available 1939 Irrigation
Settlement Canyon Utah Tooele 118 High Fair 1966 Irrigation
Green Verdugo California Los Angeles 118 High Satisfactory 1953 Water Supply
Dillon Dam Ohio Muskingum 118 High Not Available 1960 Flood Risk Reduction
Upper North River #76 Virginia Augusta 118 High Satisfactory — Flood Risk Reduction
Massena Intake New York St. Lawrence 118 High Satisfactory 1958 Hydroelectric
Elwood Dam Nebraska Gosper 118 High Fair 1976 Irrigation
Two Rivers Diamond A Dam New Mexico Chaves 118 High Not Available 1963 Flood Risk Reduction
Alpine Lake Dam Missouri Warren 118 High Satisfactory 2000 Recreation
North Springfield Dam Vermont Windsor 118 High Not Available 1960 Flood Risk Reduction
Lake Gaillard Dam Connecticut New Haven 118 High Satisfactory 1929 Water Supply
Paint Creek Dam Ohio Highland 118 High Not Available 1973 Flood Risk Reduction
Schoens Arizona Navajo 118 High Satisfactory 1988 Flood Risk Reduction
Dewey Dam Kentucky Floyd 118 High Not Available 1949 Flood Risk Reduction
Eramet Waste Retention Dam Ohio Washington 118 High Satisfactory 1982 Tailings
Villa Park California Orange 118 High Satisfactory 1963 Flood Risk Reduction
Uvas California Santa Clara 118 High Satisfactory 1957 Water Supply
Elkhead Creek Colorado Moffat 118 High Satisfactory 1979 Fish and Wildlife Pond
Druid Hill Lake Reservoir and Storage Tanks Maryland Baltimore City 118 High Poor 1871 Water Supply
Cave Buttes Arizona Maricopa 118 High Satisfactory 1980 Flood Risk Reduction
Gunlock Utah Washington 117 High Satisfactory 1970 Irrigation

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.