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Browse Dams

835 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 835 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
Newcastle Railroad Embankment Dam Washington King 55 High Poor 1900 Flood Risk Reduction
Cushman No. 1 Spillway Washington Mason 55 High Satisfactory 1990 Hydroelectric
Boeing Creek Park North Pond Dam Washington King 54 High Satisfactory 1998 Flood Risk Reduction
Salmon Lake Dam Washington Okanogan 54 High Not Available 1921 Irrigation
Nookachamps Hills Dam Washington Skagit 54 Significant Poor 1969 Flood Risk Reduction
Tyson Fresh Meats Storage Pond 4 Washington Walla Walla 52 High Satisfactory 1993 Other
Malinowski Dam Washington Grays Harbor 51 High Satisfactory 1963 Water Supply
Evans Flavorland Reservoir No 1 Washington Yakima 50 High Satisfactory 1985 Irrigation
Boeing Flood Control Dam Washington Snohomish 48 High Satisfactory 1967 Flood Risk Reduction
Tapps Lake Dike No 4 Washington Pierce 48 High Satisfactory 1911 Recreation
Upper Loop Reservoir Washington Chelan 47 High Satisfactory 2015 Irrigation
Tuck Lake Dam Washington King 47 High Fair 1966 Recreation
Bremerton National Airport Detention Dam Washington Kitsap 47 Low — 1995 Flood Risk Reduction
Haller Dam Washington Clallam 45 Low — 1945 Irrigation
Horseshoe Lake Dam Washington Stevens 45 High Satisfactory 2003 Fish and Wildlife Pond
Deschutes Dam Washington Thurston 45 Low — 1951 Recreation
Mccain Foods Process Water Storage Facil Washington Adams 44 High — 1996 Other
Sunnyside Mp 59.29 Reservoir Washington Benton 44 High Fair 2005 Irrigation
Hattie'S Pond Washington Kitsap 43 Significant Fair 1931 Recreation
Sunnyside Mp 23.7 Reservoir Washington Yakima 43 High Satisfactory 2008 Irrigation
Spencer Lake Washington San Juan 42 Low Satisfactory 1983 Hydroelectric
Mountain Pond Dam Washington Walla Walla 42 High Fair 1992 Irrigation
Lords Lake East Dam Washington Jefferson 42 High Poor 1956 Water Supply
Lords Lake North Dam Washington Jefferson 42 High Satisfactory 1957 Water Supply
Dohman Creek Dam Washington Pacific 41 Low — 1978 Water Supply
Margaret Lake Dam Washington King 41 High Fair 1933 Recreation
South Bank Dairy Lagoon Dam Washington Lewis 40 Low — 1980 Other
Wapato Lake Dam Washington Chelan 40 High Fair 1912 Recreation
Eden Creek Dam Washington Pierce 40 Low — 1937 Water Supply
Malar Dam Washington Clark 40 Low — 1955 Irrigation
Hecla-Day Mine Aspen Tailings Saddle Dam Washington Ferry 40 Significant Fair 1987 Tailings
Evans Flavorland Reservoir No 2 Washington Yakima 40 High Satisfactory 1998 Irrigation
Boeing Creek M1 Detention Dam Washington King 40 High Satisfactory 1983 Flood Risk Reduction
Yale Saddle Dam Washington Cowlitz 40 High Unsatisfactory 1953 Hydroelectric
Cle Elum Main Dike Washington Kittitas 40 High Not Available 1933
Heidelberg Materials Lewisville Phase 1 Dam Washington Clark 39 High Satisfactory 2007 Other
Seaway Center Stormwater Detention Dam Washington Snohomish 39 Significant Satisfactory 1989 Flood Risk Reduction
Macs Pond Dam Washington Kitsap 39 Low — 1895 Other
William Symington Dam Washington Kitsap 39 High Satisfactory 1965 Recreation
Moxee Valley Orchards Dam Washington Yakima 39 High Poor 1985 Irrigation
Spokane Hutterian Brethren Dam Washington Spokane 39 High Poor 2006 Flood Risk Reduction
Beehive Dam Washington Chelan 38 High Satisfactory 1953 Irrigation
Issaquah Highlands Reid Pond Dam Washington King 38 High Fair 2003 Flood Risk Reduction
Kaufman Dam Washington Thurston 38 Low — 1967 Irrigation
Upriver Dam Washington Spokane 38 High Poor 1937 Hydroelectric
Ob-3 Process Water Storage Lagoon 2 Washington Adams 37 High — 2021 Irrigation
Trout Lake Storage Dam Washington San Juan 37 High Fair 1929 Recreation
Fish Barrier Dam Washington Skagit 36 Low Satisfactory 1959 Hydroelectric
Parker Reservoir Dam Washington Yakima 36 High Poor 1955 Irrigation
Fawn Lake Dam Washington Mason 36 Low — 1966 Recreation

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.