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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Snook Lake Dam Washington Stevens 10 Low — 1953 Irrigation
Wandermere Lake Dam Washington Spokane 10 Low — 1930 Recreation
Byron Ponds Dam Washington Yakima 10 Low — 1950 Recreation
Bernsens 810 Reservoir Dam No 3 Washington Franklin 10 Low — 1979 Irrigation
Marshall Lake Dam Washington Pend Oreille 10 High Fair 1912 Irrigation
Shillapoo Lake Dikes Washington Clark 10 Low — 2007 Fish and Wildlife Pond
Seatac Airport Pond M Washington King 10 High Satisfactory 2011 Flood Risk Reduction
Armstrong Lake Dam Washington Mason 10 Low — 1968 Recreation
Snoqualmie Mill Pond Dam Washington King 10 Low — 1917 Fish and Wildlife Pond
Tempo Lake Dam Washington Thurston 10 Low — 1960 Recreation
Beehive Saddle Dam Washington Chelan 10 High Satisfactory 1953 Irrigation
Durhack Dam No 2 Washington San Juan 10 Low — 1968 Recreation
Cranberry Lake Stormwater Detention Dam Washington Mason 10 High Satisfactory 1990 Flood Risk Reduction
Cusick Polishing Lagoon Washington Pend Oreille 10 Significant Fair 1978 Other
Waitt Lk Valley Sewage Treatment Lagoon Washington Stevens 10 Low — 1998 Other
Upper Snow Dam Washington Chelan 10 Low Poor 1939 Water Supply
Youngs Lake Outlet Dam Washington King 10 High Satisfactory 1921 Water Supply
Longview Sewage Lagoon No 3 Washington Cowlitz 10 Low — 1987 Other
Klahanie Stormwater Detention Dam No 13 Washington King 10 High Fair 1989 Flood Risk Reduction
Three Rivers Mill Pond Dam Washington Snohomish 10 Low — 1946 Fire Protection, Stock, Or ...
Spscc Stormwater Pond F Washington Thurston 10 High Satisfactory 2005 Flood Risk Reduction
Connell Wastewater Lagoon 4 Washington Franklin 10 Significant Fair 2009 Other
Upper Blackhorse Dam Washington Spokane 10 Low Fair 1960 Fish and Wildlife Pond
Centralia Coal Mine Dam No 20c Washington Thurston 10 Low — 1981 Tailings
Sawyer Lake Outlet Structure Washington King 10 Low — 1952 Recreation
Chase Lake Stormwater Detention Dam Washington Snohomish 10 High — 1990 Flood Risk Reduction
Flying Goose Ranch Wetland Dam No 1 Washington Pend Oreille 10 Low — 1995 Fish and Wildlife Pond
Lake Kittyprince Dam Washington King 10 High Fair 1967 Irrigation
Geneva Lake Dam Washington Whatcom 10 High Satisfactory 1988 Recreation
Mountain Meadows Lake Dam Washington Pend Oreille 10 High Poor 1959 Recreation
Grandview Wastewater Aqua Lagoon Dam Washington Yakima 10 Significant Fair 1999 Other
Springwood Stormwater Detention Dam Washington King 10 High Fair 1992 Flood Risk Reduction
South Ridge Stormwater Detention Dam Washington King 10 High Fair 2002 Flood Risk Reduction
Yellow Lake Outlet Dike Washington King 10 High Satisfactory 1986 Flood Risk Reduction
North Fork Clover Creek E1 Det Basin Washington Pierce 10 High Fair 2000 Flood Risk Reduction
North Fork Clover Creek W1 Det Facil Washington Pierce 10 High Fair 2001 Flood Risk Reduction
Bayley Lake Dam Washington Stevens 9 Low — 1924 Fish and Wildlife Pond
Isaak Dam No 4 Washington Douglas 9 High Fair 1987 Irrigation
Serene Lake Washington Pierce 9 Low — 1971 Recreation
Evans Desert Aire Pond Washington Grant 9 High Satisfactory 1990 Irrigation
Bonaparte Lake Dam Washington Okanogan 9 Low — 1957 Irrigation
Seeley Ski Lake Washington Thurston 9 Low — 1992 Recreation
Maytown Ski Pond Dam Washington Thurston 9 Low — 1987 Recreation
Melbourne Lake Dam Washington Mason 9 Low — 1957 Fish and Wildlife Pond
Stemilt Saddle Dam Washington Chelan 9 High Fair 1962 Irrigation
Three Lakes Reservoir Dam Washington Chelan 9 Low — 1908 Irrigation
Whitestone Lake Dam Washington Okanogan 9 Low — 1930 Irrigation
Colchuck Lake Saddle Dam Washington Chelan 9 Low — 1930 Irrigation
Nielsen Dam C Washington Snohomish 9 High Poor 1973 Recreation
Nielsen Dam B Washington Snohomish 9 High Poor 1973 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.