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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
East Branch Flood Control Dam Connecticut Litchfield 92 High Satisfactory — Flood Risk Reduction
Thomas W Koon Pennsylvania Bedford 92 High Satisfactory 1932 Water Supply
Pine Canyon Dam - Saddle Dike 1 Nevada Lincoln 92 High Not Available 1957 Flood Risk Reduction
Pine Canyon Dam Nevada Lincoln 92 High Not Available 1957 Flood Risk Reduction
Sevier Bridge Utah Juab 92 High Fair 1914 Irrigation
Great Falls Dam Tennessee White 92 High Not Available 1916 Hydroelectric
Mt. Elbert Forebay Inlet/Outlet Dike Colorado Lake 92 High Not Available 1977 Hydroelectric
Hatfield Wisconsin Jackson 92 High Fair 1908 Hydroelectric
Bear Dam California Mariposa 92 High Not Available 1954 Flood Risk Reduction
North Potato Creek Dam Tennessee Polk 92 High Satisfactory 1979
Santa Fe Dam California Los Angeles 92 High Not Available 1949 Flood Risk Reduction
Jim Woodruff Lock and Dam Florida Jackson 92 High Not Available 1954 Navigation
Flambeau Wisconsin Rusk 92 High Satisfactory 1951 Hydroelectric
Yonah South Carolina Oconee 92 High Satisfactory 1925 Hydroelectric
Coyote Creek California Lake 92 High Satisfactory 1968 Water Supply
Deer Creek Diversion California Nevada 92 High Satisfactory 1928 Debris Control
Lake Wynonah Pennsylvania Schuylkill 92 High Fair 1971 Recreation
Island Creek Dam Virginia Mecklenburg 92 High Not Available 1951 Flood Risk Reduction
Lake Michie Dam North Carolina Durham 92 High Satisfactory 1926 Other
Smith and Morehouse Utah Summit 92 High Satisfactory 1987 Irrigation
Fish Creek Idaho Blaine 92 High Poor 1923 Irrigation
Beaver Run Pennsylvania Westmoreland 92 High Satisfactory 1952 Water Supply
Maple Creek Slurry Pond No 2 - A Pennsylvania Washington 91 High Satisfactory 1978 Other
Martinsdale, North Dam Montana Wheatland 91 High Satisfactory 1939 Irrigation
Patterson Creek No. 41 Dam West Virginia Grant 91 High Fair 1969 Flood Risk Reduction
Millwood Dam - Okay Levee Arkansas Howard 91 High Not Available 1966 Flood Risk Reduction
Joe B Hogsett Dam Texas Henderson 91 High Satisfactory 1966 Irrigation
Deep Creek Idaho Oneida 91 High Fair 1952 Other
Thermalito Forebay California Butte 91 High Satisfactory 1967 Hydroelectric
South Creek - Washington County Utah Washington 91 High Satisfactory 1988 Irrigation
Pogo R.T.P. Dam Alaska Southeast Fairbanks Census Area 91 High Satisfactory 2005 Flood Risk Reduction
Choccolocco Creek W/S Dam Site 6 Alabama Calhoun 91 High Not Rated 1977 Flood Risk Reduction
North Fork of Smith River Dam Montana Meagher 91 High Satisfactory 1936 Irrigation
Lewiston Dam California Trinity 91 High Not Available 1963 Water Supply
Timber Creek Mpd No 29 Kansas Cowley 91 High Satisfactory 1970 Flood Risk Reduction
Talking Rock Creek WS Str # 13 Georgia Pickens 91 High Poor 1963 Flood Risk Reduction
Twin Lakes No. 1 Wyoming Sheridan 91 High — 1998 Water Supply
Hords Creek Dam Texas Coleman 91 High Not Available 1948 Water Supply
El Dorado Forebay California El Dorado 91 High Fair 1923 Hydroelectric
Nichols Dam New Mexico Santa Fe 91 High Poor 1943 Water Supply
Apple Valley Lake Dam Ohio Knox 91 High Poor 1971 Recreation
Stewarts Creek WS Dam #1a North Carolina Surry 91 High Fair 1972 Flood Risk Reduction
Wheeler Branch Dam Texas Somervell 91 High Satisfactory 2008 Irrigation
Enterprise (Upper) Utah Washington 91 High Satisfactory 1912 Irrigation
Camanche Dike No. 2 California San Joaquin 90 High Satisfactory — Water Supply
Oak Orchard Creek Dam New York Orleans 90 High Satisfactory 1917 Hydroelectric
Atlanta Reservoir Dam No. 1 Georgia Fulton 90 High Poor 1960 Water Supply
Wheeling Creek No.23 West Virginia Marshall 90 High Fair 1978 Flood Risk Reduction
Dresser No. 11 Missouri Jefferson 90 High Satisfactory 1975 Tailings
Lake Gregory California San Bernardino 90 High Satisfactory 1938 Water Supply

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.