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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
Unger-Bill Dam Oregon Washington 40 Significant Not Rated 1968 Irrigation
Hunter Reservoir (Harney) Oregon Harney 40 Significant Not Rated 1968 Irrigation
Fishhawk Lake Oregon Clatsop 40 Significant Not Rated 1969
Willards Pool Oregon Marion 40 Low Not Rated 1949 Recreation
Piute Reservoir Oregon Lake 40 Low Not Rated 1953 Irrigation
Wallowa Lake Oregon Wallowa 40 High Poor 1931 Irrigation
Pelton Regulating Oregon Jefferson 40 High Satisfactory 1958 Other
Muhs Quarry Dam Oregon Yamhill 40 Significant Not Rated — Water Supply
Randall Reservoir #3 Oregon Klamath 40 Low Not Rated 1980 Irrigation
Rose Reservoir Oregon Clackamas 40 Significant Not Rated 1974 Irrigation
Dejong, The Reservoir Oregon Polk 39 Low Not Rated 1961 Irrigation
Krumbo Dam Oregon Harney 39 Low Satisfactory 1957 Recreation
Middle Oregon Clatsop 39 High Fair 1940 Water Supply
Hickey Reservoir Oregon Lake 39 Low Not Rated 1967 Irrigation
Olive Lake Oregon Grant 39 High Not Rated 1907 Recreation
Momtazi - Reservoir #2 Oregon Yamhill 39 Low Not Rated 2000 Other
Bump Farm Reservoir Oregon Washington 39 Low Not Rated 1956 Irrigation
Corcoran Oregon Harney 39 Significant Not Rated 1949 Irrigation
Neil Creek Reservoir Oregon Marion 39 Significant Not Rated 1955 Irrigation
Oregon Pride Nursery Dam Oregon Yamhill 39 Low Not Rated — Irrigation
Fopiano Reservoir Oregon Wheeler 38 Low Not Rated 1960 Irrigation
Pony Creek - Lower Oregon Coos 38 High Poor 1988 Water Supply
Maple Grove Oregon Polk 38 Low Not Rated 1995 Irrigation
Ketchum Oregon Wasco 38 Low Not Rated 1964 Recreation
Moon Reservoir Oregon Harney 38 Significant Not Rated 1969 Irrigation
Schmidt, Howard Reservoir Oregon Washington 38 Low Not Rated 1969 Recreation
Sester, William H. Reservoir 1 Oregon Multnomah 38 Significant Not Rated 1969 Irrigation
Mays Oregon Jefferson 38 High Poor 1960 Irrigation
Kuehne Dam Oregon Yamhill 38 Significant Not Rated 1952 Irrigation
Portland #1 (Mt.Tabor) Oregon Multnomah 38 High Satisfactory 1894 Water Supply
Randall Reservoir Oregon Klamath 38 Low Not Rated 1960 Irrigation
Wirth Reservoir Oregon Baker 38 Low Not Rated 1966 Irrigation
Meridian Reservoir Oregon Clackamas 38 Low Not Rated 1994 Irrigation
Oberg Reservoir Oregon Yamhill 38 Low Not Rated 1970 Recreation
Kauer Reservoir Oregon Yamhill 38 Low Not Rated 1968 Irrigation
Kay Lake Oregon Washington 38 High Satisfactory 1963 Irrigation
Black Snag Reservoir Oregon Crook 38 Low Not Rated 1998 Fish and Wildlife Pond
Beyer Reservoir Oregon Clackamas 38 Significant Not Rated 1968 Irrigation
Chickahominy Reservoir Oregon Harney 38 Significant Not Rated 1951 Irrigation
Sarvis Oregon Crook 38 Significant Not Rated 1970 Irrigation
Willamette Falls Locks Oregon Clackamas 37 High Not Available 1873 Navigation
Cole and Forrester Oregon Yamhill 37 Low Not Rated 1951 Irrigation
Dundee Sewer Project (Lagoon) Oregon Yamhill 37 Low Not Rated 1979 Other
Palmer Reservoir Oregon Crook 37 Low Not Rated 1959 Irrigation
Bibby Dam Oregon Sherman 37 Low Not Rated 1962 Irrigation
Hult Pond Dam Oregon Lane 37 High Satisfactory 1950 Recreation
Stallard Dam Oregon Harney 37 Low Not Rated 1950 Irrigation
Spalding Dam Oregon Josephine 37 Low Not Rated 1990 Fish and Wildlife Pond
Buether Upper Reservoir Oregon Sherman 37 Low Not Rated 1955 Irrigation
Promise Reservoir Oregon Wallowa 37 Low Not Rated 1980 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.