Browse Dams

13,006 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 13,006 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
Whitehouse Dam Texas Smith 50 High Satisfactory 1949 Water Supply
Gross Lake Dam Ohio Wayne 50 Significant Satisfactory 1977 Recreation
Upper Little Nemaha 25 Nebraska Lancaster 50 Low Satisfactory 2001 Other
Lake Marie Dam Missouri Mercer 50 High Satisfactory 1981 Recreation
Wasel Reservoir Dike Connecticut Hartford 50 High Satisfactory 1966 Water Supply
Hartzell California San Luis Obispo 50 Significant Satisfactory 1965 Water Supply
Residue Pond #7 Dam Tennessee Montgomery 50 Low Satisfactory — Tailings
Lake Northwoods Dam Missouri Gasconade 50 High Satisfactory 1968 Recreation
Indian Scout South Dakota Todd 50 High Satisfactory 2010 Recreation
Peter Lake Dam Ohio Hamilton 50 Significant Satisfactory 1936 Recreation
Clay-Boswell Minnesota Itasca 50 Significant Satisfactory — Tailings
Steele Creek Dam Tennessee Sullivan 50 High Satisfactory 1963
Brookside Reservoir Dam New York Montgomery 50 High Satisfactory 1882 Water Supply
Hansen Recreational Lake California Los Angeles 50 Low Satisfactory 1999 Water Supply
South Rivanna Virginia Albemarle 50 High Satisfactory 1965 Hydroelectric
North Utah County - Tibble Fork Utah Utah 50 High Satisfactory 1966 Irrigation
Moskowite California Napa 50 Low Satisfactory 1955 Water Supply
Pellejas Dam Puerto Rico Adjuntas 50 High Satisfactory 1950 Hydroelectric
Bond Falls Main Dam Michigan Ontonagon 50 High Satisfactory 1938 Hydroelectric
Cross Creek (Pa-662) Pennsylvania Washington 50 High Satisfactory 1983 Flood Risk Reduction
Trinity Dam New York Westchester 50 High Satisfactory 1966 Water Supply
Indian Hills Lake Dam Missouri Crawford 50 Low Satisfactory 1960 Recreation
Langtry California Lake 50 Low Satisfactory 1992 Water Supply
Newton Falls Upper New York St. Lawrence 50 High Satisfactory 1927 Hydroelectric
Eagle Heart Ranch Lagoon 2 Dam Nebraska Howard 50 Low Satisfactory 2022 Other
Rocky River Gated Spillway South Carolina Abbeville 50 Significant Satisfactory 1940 Hydroelectric
Bullock Pen Lake Dam Kentucky Grant 50 High Satisfactory 1953 Water Supply
Upper Big Nemaha 20-A Nebraska Johnson 50 Low Satisfactory 1980 Flood Risk Reduction
Johns Creek Dam #3 Virginia Craig 50 High Satisfactory — Flood Risk Reduction
Chambers Creek WS SCS Site 15 Dam Texas Ellis 50 High Satisfactory 1959 Flood Risk Reduction
Sunfler California Tehama 50 Low Satisfactory 1976 Other
Lake Wilhelm (Pa-475) Pennsylvania Mercer 50 High Satisfactory 1969 Flood Risk Reduction
Holiday Lake Dam Iowa Poweshiek 50 Significant Satisfactory 1962 Recreation
Petenwell Wisconsin Juneau 50 High Satisfactory 1949 Hydroelectric
High Falls New York Lewis 50 High Satisfactory 1925 Hydroelectric
Sierra Madre Villa California Los Angeles 50 High Satisfactory 1958 Debris Control
Shavano Valley #2-Sv-2 Colorado Montrose 50 High Satisfactory 1996 Flood Risk Reduction
Swan Creek 5 Nebraska Saline 50 Significant Satisfactory 1988 Flood Risk Reduction
Hulen Lake East Dam Missouri Boone 50 High Satisfactory 1948 Recreation
Osborne Lagoon Pennsylvania Chester 50 Significant Satisfactory 2012 Other
Cactus Basin #4 California San Bernardino 50 High Satisfactory 2022 Flood Risk Reduction
Klondike Lake Dam Missouri St. Charles 50 Low Satisfactory 1965 Recreation
Wolbach Foods Lagoon 4-5 Dam Nebraska Greeley 50 Low Satisfactory 1999 Other
Vfw Lake Dam Tennessee Lawrence 50 Low Satisfactory 1951
Upper Big Nemaha 25-C Nebraska Gage 50 High Satisfactory 1974 Flood Risk Reduction
Woman Creek Colorado Jefferson 50 High Satisfactory 1995 Flood Risk Reduction
Lake Marian (Woodridge Road) Maryland Frederick 50 Low Satisfactory 1973 Recreation
Sa 10 S.C. Florida Hamilton 50 Significant Satisfactory 2005 Tailings
Camanche Dike No. 6 California San Joaquin 50 High Satisfactory — Water Supply
Highland Commons Pond B Dam & Dike Massachusetts Worcester 50 Significant Satisfactory 2010 Flood Risk Reduction

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.