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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Tree Top Prosser Lagoons 2 & 3 Washington Benton 18 Significant Fair 1991 Other
Duncan Dam No 2 Washington Pend Oreille 18 Low — 1966 Irrigation
Dionysus Dam Washington Franklin 18 High Fair 1973 Irrigation
Colchuck Lake Dam Washington Chelan 18 High Poor 1930 Irrigation
Durhack Dam No 3 Washington San Juan 18 Low — 1968 Recreation
Johnson Creek Reservoir Dam Washington Klickitat 18 High Fair 1982 Irrigation
3 Amigos Reservoir Washington Chelan 18 High Satisfactory 2003 Irrigation
Vaagen Mitigation Control Structure Washington Pend Oreille 18 Low — 1990 Flood Risk Reduction
Des Moines Ck Reg Det Facility East Berm Washington King 18 High Satisfactory 2009 Flood Risk Reduction
Sinlahekin Dam No 2 Washington Okanogan 18 High Fair 1949 Recreation
Islewood Dam Washington Skagit 18 High Fair 1971 Irrigation
Tapps Lake Dike No10 Washington Pierce 18 High Satisfactory 1911 Recreation
Tapps Lake Dike No 1 Washington Pierce 18 High Satisfactory 1911 Recreation
Mill Pond Dam Klickitat Co Washington Klickitat 18 Low — 1951 Recreation
Brown Dam Lincoln Co Washington Lincoln 18 Low — 1965 Irrigation
Snoqualmie Ridge Golf Course Pond M1 Washington King 18 Low — 1997 Irrigation
Evans Far West Pond Dam Washington Yakima 18 High Poor 1997 Irrigation
North Ranch Storage Lagoon Washington Mason 18 Significant Satisfactory 2018 Other
Flat Top Ranch Frost Control Pond Washington Walla Walla 18 High Fair 1996 Irrigation
Johnson Pond Dam Washington King 18 High Fair 2011 Flood Risk Reduction
Centralia Coal Mine Dam No 3a Washington Lewis 18 Low — 1970 Tailings
Pasco Process Water Reuse Storage Lagoon Washington Franklin 18 High Fair 1997 Other
Fire Mountain Boy Scout Camp Dam A Washington Skagit 18 High Fair 1971 Recreation
Centralia Coal Mine Dam No 8a Washington Lewis 18 High Satisfactory 1972 Tailings
Des Moines Creek Stormwater Detention Da Washington King 18 High Satisfactory 1989 Flood Risk Reduction
Ruth Lake Dam Washington Kitsap 18 Low Poor 1977 Other
Lower Pine Lake Dam Washington Spokane 18 Low Satisfactory 1940 Fish and Wildlife Pond
Deer Park Aeration Lagoon Washington Spokane 17 High Fair 2023 Other
Ludvick Lake Dam Washington Kitsap 17 Low — 1950 Recreation
Beitey Lake Dam Washington Stevens 17 High Poor 1934 Recreation
Bremerton Reservoir No 4 Washington Kitsap 17 High Satisfactory 1917 Water Supply
Meadow Lake Dam Washington Chelan 17 High Poor 1920 Irrigation
Stevenson Dam Washington Yakima 17 High Poor 1969 Recreation
Gap Road Reservoir Washington Benton 17 High Satisfactory 2004 Irrigation
Camano Island Cattle CO Dam Washington Adams 17 High Fair 2004 Irrigation
Goldendale Wastewater Pond 1a Washington Klickitat 17 Low — 1983 Other
Wsr Dairy Waste Lagoon Washington Snohomish 17 Low — 1998 Other
Mountain Lake Dam Washington San Juan 17 High Fair 1905 Recreation
Moccasin Lake Dam Washington Okanogan 17 High Fair 1969 Irrigation
Snohomish Wastewater Treatment Lagoon Sy Washington Snohomish 17 Low — 1995 Other
Lawson Lake Dam Washington San Juan 17 Low Fair 1948 Irrigation
Serenity Lake Dam Washington Stevens 17 High Poor 1972 Recreation
Sunnyside Indust Wastewater Lag 1 2 & 3 Washington Yakima 17 Low — 1992 Other
Olympic Orchards Dam 3 Washington Yakima 17 High Fair 1985 Irrigation
Section 34 Re Regulating Reservoir Washington Franklin 17 Low — 2005 Irrigation
Chehalis Regional Water Reclamation Pond Washington Lewis 17 Significant Satisfactory 2005 Other
Ferndale Aerated Sewage Lagoon No 3 Washington Whatcom 17 High Satisfactory 1986 Other
Buck Mountain Reservoir Dam No 1 Washington San Juan 17 High Fair 1985 Water Supply
Diamond Lake Aeration Lagoon No 3 Washington Pend Oreille 17 High Satisfactory 1987 Other
Olympic Orchards Dam 5 Washington Yakima 17 High Satisfactory 1985 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.