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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
Cougar Dam Oregon Lane 519 High Not Available 1963 Flood Risk Reduction
Detroit Dam Oregon Linn 463 High Not Available 1953 Flood Risk Reduction
Round Butte Oregon Jefferson 440 High Fair 1964 Hydroelectric
Owyhee Dam Oregon Malheur 417 High Not Available 1932 Irrigation
Brownlee Oregon Baker 395 High Fair 1958 Hydroelectric
Green Peter Dam Oregon Linn 378 High Not Available 1967 Flood Risk Reduction
William L. Jess Dam Oregon Jackson 345 High Not Available 1976 Flood Risk Reduction
Hills Creek Dam Oregon Lane 341 High Not Available 1962 Flood Risk Reduction
Lookout Point Dam Oregon Lane 276 High Not Available 1953 Flood Risk Reduction
Blue River Dam Oregon Lane 270 High Not Available 1968 Flood Risk Reduction
Arthur R. Bowman Dam Oregon Crook 245 High Not Available 1961 Flood Risk Reduction
Applegate Dam Oregon Jackson 242 High Not Available 1980 Flood Risk Reduction
Smith Oregon Linn 235 High Unsatisfactory 1963 Hydroelectric
John Day Lock and Dam Oregon Klickitat 230 High Not Available 1968 Navigation
McNary Lock and Dam Oregon Benton 220 High Not Available 1954 Navigation
North Fork Oregon Clackamas 207 High Satisfactory 1958 Hydroelectric
Fall Creek Dam Oregon Lane 205 High Not Available 1965 Flood Risk Reduction
Emigrant Dam Oregon Jackson 204 High Not Available 1960 Flood Risk Reduction
Pelton Oregon Jefferson 204 High Satisfactory 1957 Hydroelectric
The Dalles Lock and Dam Oregon Klickitat 200 High Not Available 1957 Navigation
Development No. 1 Dam Oregon Multnomah 200 High Fair 1929 Water Supply
Bonneville Locks and Dam Oregon Multnomah 197 High Not Available 1938 Navigation
Spillway Dam Oregon Clackamas 180 High Fair 1962 Water Supply
Mason Dam Oregon Baker 173 High Not Available 1968 Flood Risk Reduction
Big Cliff Dam Oregon Marion 172 High Not Available 1954 Hydroelectric
Galesville Oregon Douglas 167 High Satisfactory 1985 Irrigation
McKay Dam Oregon Umatilla 165 High Not Available 1927 Flood Risk Reduction
Barney Oregon Washington 165 High Satisfactory 1998 Water Supply
Willow Creek Dam Oregon Morrow 160 High Not Available 1982 Flood Risk Reduction
Dorena Dam Oregon Lane 154 High Not Available 1949 Flood Risk Reduction
Scoggins Dam Oregon Washington 151 High Not Available 1975 Irrigation
Berry Creek Oregon Douglas 148 High Satisfactory 1980 Water Supply
Ochoco Dam Oregon Crook 146 High Not Available 1920 Fish and Wildlife Pond
Development No. 2 Dam Oregon Clackamas 145 High Satisfactory 1962 Water Supply
Wolf Creek Oregon Union 128 High Satisfactory 1974 Irrigation
Soda Springs Oregon Douglas 127 High Fair 1952 Hydroelectric
Foster Dam Oregon Linn 126 High Not Available 1967 Flood Risk Reduction
Bully Creek Dam Oregon Malheur 121 High Not Available 1963 Flood Risk Reduction
Lemolo No 1 Oregon Douglas 120 High Fair 1955 Hydroelectric
Dexter Dam Oregon Lane 117 High Not Available 1955 Flood Risk Reduction
Crow Creek Oregon Wasco 115 High Fair 1968 Water Supply
Cold Springs Dam Oregon Umatilla 115 High Not Available 1908 Irrigation
Hosler (Reeder Gulch Oregon Jackson 114 High Unsatisfactory 1928 Water Supply
Mcguire Oregon Yamhill 111 High Satisfactory 2003 Water Supply
Pilcher Creek Oregon Union 110 High Satisfactory 1984 Irrigation
Willow Creek 3 (Malheur) Oregon Malheur 110 High Unsatisfactory 1944 Irrigation
Clear Branch Oregon Hood River 110 High Unsatisfactory 1969 Irrigation
Agency Valley Dam Oregon Malheur 110 High Not Available 1934 Flood Risk Reduction
Warm Springs Dam Oregon Malheur 106 High Not Available 1919 Irrigation
Haystack Dam Oregon Jefferson 105 High Not Available 1957 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.