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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Slide Creek Oregon Douglas 30 Low Satisfactory 1951 Hydroelectric
Plat I Oregon Douglas 30 High Satisfactory 1967 Flood Risk Reduction
Somerville, The Reservoir Oregon Malheur 30 Low Not Rated 1912 Irrigation
McNary Lock and Dam - Pasco Levee 12-1 Oregon Franklin 30 High Not Available 1952 Flood Risk Reduction
Albertson Reservoir (Lake) Oregon Lake 30 Low Not Rated 1954 Irrigation
Clover Creek Reservoir (Baker) Oregon Baker 30 Low Not Rated 1989 Recreation
Wickiup Lake (Astoria) Oregon Clatsop 30 High Fair 1940 Water Supply
Headworks Diversion Dam Oregon Clackamas 30 Low Satisfactory 1923 Water Supply
McNary Lock and Dam - Pasco Levee 12-2 Oregon Franklin 30 High Not Available 1952 Flood Risk Reduction
McNary Lock and Dam - Kennewick Levees 15C, 15D, 15E Oregon Benton 30 High Not Available 1952
McNary Lock and Dam - Richland Levee 2A Oregon Benton 30 High Not Available 1952 Flood Risk Reduction
McNary Lock and Dam - Kennewick Levee 5D Oregon Benton 30 High Not Available 1952 Flood Risk Reduction
Veterans Reservoir Oregon Clackamas 30 Significant Not Rated 1923 Irrigation
Isakson Reservoir Oregon Clackamas 30 Low Not Rated 1972 Recreation
McNary Lock and Dam - Richland Levee 2C Oregon Benton 30 High Not Available 1952 Flood Risk Reduction
Sunriver Effluent Lagoon Oregon Deschutes 30 High Satisfactory 1998 Other
McNary Lock and Dam - Pasco Levee 17A Oregon Franklin 30 High Not Available 1952 Flood Risk Reduction
McNary Lock and Dam - Kennewick Levee 6B Oregon Benton 30 High Not Available 1952 Flood Risk Reduction
South Fork Reservoir Oregon Harney 30 Significant Not Rated 1968 Irrigation
Hartwick Reservoir Oregon Washington 30 Low Not Rated 1956 Irrigation
McNary Lock and Dam - Pasco Levee 17B Oregon Franklin 30 High Not Available 1952 Flood Risk Reduction
Lakewood Estates Oregon Marion 30 Low Not Rated —
McNary Lock and Dam - Kennewick Levee 20 Oregon Benton 30 High Not Available 1952 Flood Risk Reduction
Obenchain Reservoir Oregon Klamath 30 Low Not Rated 1958 Irrigation
McNary Lock and Dam - Richland Levee 4A Oregon Benton 30 High Not Available 1952 Flood Risk Reduction
Marx Reservoir #1 Oregon Polk 30 Low Not Rated 1964 Irrigation
Fuston Ranch Dam Oregon Jefferson 30 Significant Not Rated — Hydroelectric
Dallas Lake Reservoir Oregon Lake 30 Low Not Rated 1959 Irrigation
River Bend No. 2 Oregon Marion 30 Low Not Rated 1967 Irrigation
Dick Dam Oregon Crook 30 Significant Not Rated 1950 Irrigation
Mortimer Canyon Dam Oregon Harney 30 Low Not Rated 1951 Irrigation
Dixonville Log Pond Oregon Douglas 30 Significant Not Rated 1956 Other
Lemolo No 2 Forebay Oregon Douglas 30 Low Satisfactory 1956 Hydroelectric
Walters, Glenn #5 Oregon Washington 29 Significant Not Rated 1984 Irrigation
Rock Quarry Canyon Dam Oregon Harney 29 Low Not Rated 1948 Irrigation
Crows Nest Reservoir Oregon Malheur 29 Low Satisfactory 2004 Other
Gillworth Reservoir Oregon Jefferson 29 Significant Not Rated 1980 Irrigation
Barry, Nick Reservoir Oregon Lake 29 Low Not Rated 1927 Irrigation
Wickiup South Dike Oregon Deschutes 29 Low Not Available 1949 Fish and Wildlife Pond
Hickory Hill Farm Oregon Yamhill 29 Significant Not Rated 1952 Irrigation
Wickiup East Dike Oregon Deschutes 29 High Not Available 1949 Fish and Wildlife Pond
South Cottonwood Creek Reservoir Oregon Malheur 28 Low Poor 1961 Fire Protection, Stock, Or ...
Fitzgerald Reservoir Oregon Lake 28 Low Not Rated 1941 Irrigation
Walters, Glenn #1 - Large Oregon Washington 28 Significant Not Rated 1969 Irrigation
Dragonfly Reservoir Oregon Yamhill 28 Low Not Rated 2006 Fire Protection, Stock, Or ...
Belchers Dam Oregon Multnomah 28 Low Not Rated 1965 Irrigation
Cook Reservoir (Wash) Oregon Washington 28 Significant Not Rated 1972 Irrigation
Three Mile Falls Diversion Oregon Umatilla 28 Low Not Available 1913 Irrigation
Portland #6 (Mt.Tabor) Oregon Multnomah 28 High Satisfactory 1911 Water Supply
William L. Jess Dam - Lost Creek Lake Fish Structure Oregon Jackson 28 Significant Not Available 1976 Fish and Wildlife Pond

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.