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Browse Dams

3,540 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 3,540 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
Slurry Lake Iv Kentucky Union 65 High Not Available — Tailings
Bear Creek Dam - South Embankment Colorado Jefferson 65 High Not Available 1979 Flood Risk Reduction
Tiber Dike Montana Liberty 65 High Not Available 1956
Peabody Lake Illinois Schuyler 65 Low Not Available 1965 Other
Clinton Power Station/Clinton Lake Dam Illinois De Witt 65 High Not Available 1977 Recreation
Slurry Impoundment Cfd-3 Kentucky Muhlenberg 65 Low Not Available — Water Supply
Burns Dam California Merced 65 High Not Available 1950 Flood Risk Reduction
Conestoga Dam Nebraska Lancaster 65 High Not Available 1964 Flood Risk Reduction
Atwood Dam Ohio Tuscarawas 65 High Not Available 1936 Flood Risk Reduction
Bazzoni Lake Dam Illinois LaSalle 65 Low Not Available 1989 Recreation
Lake Sara Dam Illinois Effingham 65 Significant Not Available 1957 Recreation
Dickinson Dam North Dakota Stark 65 High Not Available 1950 Irrigation
Edgell Amd Impoundment West Virginia Harrison 64 High Not Available — Other
McGee Creek Dike Oklahoma Atoka 64 High Not Available 1987 Water Supply
Hildebrand Lock and Dam West Virginia Monongalia 64 Low Not Available 1960 Navigation
Pike Island Locks and Dam West Virginia Ohio 64 Significant Not Available 1965 Navigation
Cobblestone Lake Dam Illinois Peoria 64 Low Not Available 1993 Recreation
Pilot Butte Dam Wyoming Fremont 64 High Not Available 1926 Irrigation
Little Rocky Run Lake Dam Illinois Hancock 64 Significant Not Available 1971 Flood Risk Reduction
Clendening Dam Ohio Harrison 64 High Not Available 1936 Flood Risk Reduction
New Cumberland Locks and Dam West Virginia Jefferson 64 Significant Not Available 1963 Navigation
Glendo Dike 2 Wyoming Platte 63 High Not Available 1959 Flood Risk Reduction
Edward MacDowell Dam New Hampshire Hillsborough 63 High Not Available 1950 Flood Risk Reduction
Shadow Mountain Dam Colorado Grand 63 High Not Available 1946 Irrigation
Flood Water Retarding Structure Site 38 Mississippi Holmes 63 Significant Not Available 2004 Other
Hiram M. Chittenden Locks and Dam Washington King 63 High Not Available 1916 Navigation
Boyles Lake Dam Illinois Tazewell 63 Low Not Available 1972 Recreation
Demopolis Lock and Dam Alabama Marengo 63 Significant Not Available 1955 Navigation
Mississippi River Lock and Dam 19 Illinois Lee 63 Significant Not Available 1913 Navigation
Jennifer Creek Reservoir Dam Illinois Hancock 62 Low Not Available 1971 Flood Risk Reduction
Cannelton Locks and Dam Kentucky Hancock 62 Significant Not Available 1974 Navigation
Montgomery Locks and Dam Pennsylvania Beaver 62 Significant Not Available 1936 Navigation
Paradise Fossil Plant - Gypsum Scrubber Sludge Impoundment Kentucky Muhlenberg 62 Significant Not Available 1984 Other
Doyle Lake Dam Illinois Adams 62 High Not Available 1994 Fish and Wildlife Pond
Martinez Dam California Contra Costa 62 High Not Available 1947 Water Supply
Antelope Creek Dam Nebraska Lancaster 61 High Not Available 1962 Flood Risk Reduction
Catahoula Lake Control Structure Louisiana LaSalle 61 Low Not Available 1972 Fish and Wildlife Pond
Reservoir A Dam Idaho Nez Perce 61 High Not Available 1907 Irrigation
Fresh Water Dam West Virginia Wayne 61 High Not Available — Water Supply
Tower Lake Dam Illinois Madison 61 Significant Not Available 1964 Other
Tiskilwa Strucure 2 Dam Illinois Bureau 61 High Not Available 1960 Flood Risk Reduction
Col. Charles D. Maynard Lock and Dam Arkansas Jefferson 61 Significant Not Available 1968 Navigation
Bumping Lake Dam Washington Yakima 61 High Not Available 1910 Flood Risk Reduction
Smallpox Creek Dam Illinois Jo Daviess 60 High Not Available 1974 Recreation
Orwell Dam Minnesota Otter Tail 60 High Not Available 1953 Flood Risk Reduction
North Tailings Utah Tooele 60 High Not Available — Tailings
Yankee Hill Dam Nebraska Lancaster 60 High Not Available 1965 Flood Risk Reduction
Maas Dam Illinois Fulton 60 Low Not Available 1999 Recreation
Moose Creek Dam - East Cutoff Dike Alaska Fairbanks North Star Borough 60 High Not Available 1979 Flood Risk Reduction
Tiskilwa Structure 5 Dam Illinois Bureau 60 High Not Available 1960 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.