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Browse Dams

884 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 884 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.

Name State County Height (ft) Hazard Condition Year Purpose
Cottage Grove Dam Oregon Lane 103 High Not Available 1942 Flood Risk Reduction
Skull Creek Reservoir Oregon Harney 100 Low Not Rated 1934 Irrigation
Timothy Lake Oregon Clackamas 100 High Satisfactory 1956 Hydroelectric
Wickiup Dam Oregon Deschutes 100 High Not Available 1949 Fish and Wildlife Pond
Howard Prairie Dam Oregon Jackson 100 High Not Available 1958 Hydroelectric
Cow Creek Iwr Auxiliary Dam Oregon Douglas 98 High Satisfactory 2007 Water Supply
Cow Creek Dam No. 1 Oregon Douglas 95 High Satisfactory 2005 Irrigation
Bear Creek Oregon Clatsop 94 High Poor 1953 Water Supply
Woodrat Knob Oregon Jackson 92 High Unsatisfactory 1960 Irrigation
Trail Bridge Oregon Linn 90 High Unsatisfactory 1963 Hydroelectric
Emigrant Highway Dike Oregon Jackson 90 High Not Available 1960 Flood Risk Reduction
Crowley Oregon Malheur 90 High Unsatisfactory 1938 Irrigation
Cooper Creek (Sutherlin) Oregon Douglas 88 High Fair 1971 Recreation
Gerber Dam Oregon Klamath 88 High Not Available 1925 Irrigation
Agate Dam Oregon Jackson 86 High Not Available 1965 Irrigation
Wade Oregon Jackson 85 High Fair 1963 Irrigation
River Mill Oregon Clackamas 85 High Satisfactory 1911 Hydroelectric
Haskins Creek Dam Oregon Yamhill 85 Significant Not Rated 1930 Water Supply
Faraday Diversion Oregon Clackamas 84 Significant Satisfactory 1965 Hydroelectric
Cottonwood (Drewsey) Oregon Harney 83 Significant Not Rated 1967 Irrigation
Lake Creek Oregon Jackson 83 High Fair 1965 Irrigation
North Fork Oregon Benton 83 High Fair 1960 Water Supply
Allen Creek Oregon Crook 83 Low Not Rated 1959 Irrigation
Olalla Oregon Lincoln 83 High Fair 1968 Other
Unity Dam Oregon Baker 82 High Not Available 1938 Irrigation
Carty Reservoir Oregon Morrow 82 Significant Not Rated 1976 Irrigation
Currant Creek Oregon Wasco 82 High Poor 1984 Irrigation
Mercer Oregon Polk 81 High Poor 1961 Water Supply
Keene Creek Dam Oregon Jackson 78 High Not Available 1959 Hydroelectric
Stoney Mountain Oregon Yamhill 77 Low Not Rated — Fire Protection, Stock, Or ...
Pony Creek - Upper Oregon Coos 77 High Satisfactory 2001 Water Supply
Stinking Water Creek Oregon Harney 75 Significant Not Rated 1967 Irrigation
Merwin Reservoir #2 Oregon Crook 74 Low Not Rated 1968 Irrigation
Mill Creek Oregon Lincoln 74 High Fair 1969 Water Supply
Thief Valley Dam Oregon Union 73 High Not Available 1932 Irrigation
Waller No. 3 Oregon Grant 71 Low Not Rated 1965 Irrigation
Frog Lake Dam B Oregon Clackamas 70 Significant Unsatisfactory 1955 Hydroelectric
Vaughn Reservoir (Malheur) Oregon Malheur 70 Low Not Rated 1959 Irrigation
Happy Valley Oregon Wasco 70 High Poor 1938 Irrigation
Deardorff, Betty Jane Oregon Clackamas 68 Significant Not Rated 1971 Other
Harriet Lake Oregon Clackamas 68 Low Satisfactory 1923 Hydroelectric
Star Mountain Reservoir Oregon Malheur 68 Significant Not Rated 1961 Irrigation
Walch Dam Oregon Jackson 68 High Poor 1954 Irrigation
Balm Creek Reservoir Oregon Baker 68 Significant Not Rated 1963 Irrigation
Pine Hollow Oregon Wasco 66 High Satisfactory 1969 Irrigation
Gardener Reservoir Oregon Jackson 65 Significant Not Rated 1952 Irrigation
Silver Creek Oregon Marion 65 High Fair 1975 Water Supply
Goodrich Reservoir Oregon Baker 65 Significant Not Rated 1963 Water Supply
Ferry Creek Oregon Curry 65 High Unsatisfactory 1966 Water Supply
Osborne Creek Oregon Jackson 65 High Poor 1964 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.