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 |
|---|---|---|---|---|---|---|---|
| Upper Falls Intake Dam | Washington | Spokane | 20 | Low | Satisfactory | 1922 | Hydroelectric |
| St Clair Stormwater Detention Dam | Washington | Whatcom | 20 | High | Satisfactory | 1986 | Flood Risk Reduction |
| Buck Mountain Reservoir Dam No 3 | Washington | San Juan | 20 | High | Fair | 1985 | Water Supply |
| Centralia Coal Mine Dam No 5c | Washington | Lewis | 20 | Low | — | 1970 | Tailings |
| Lummi Island Estates Dam | Washington | Whatcom | 20 | High | Fair | 1963 | Recreation |
| Kyte Dam | Washington | Thurston | 20 | High | Poor | 1966 | Irrigation |
| Roza Wasteway 6 Reregulation Reservoir | Washington | Benton | 20 | Low | — | 1988 | Irrigation |
| Everett Washwater Storage Pond Dam | Washington | Snohomish | 20 | Low | — | 1985 | Other |
| Selah Naches Ranch Reservoir | Washington | Yakima | 20 | High | Satisfactory | 2004 | Irrigation |
| Tapps Lake Dike No 8 | Washington | Pierce | 20 | High | Satisfactory | 1911 | Recreation |
| Mill Creek Dam Cosmopolis | Washington | Grays Harbor | 20 | High | Satisfactory | 2019 | Fish and Wildlife Pond |
| Moses Lake South Dam | Washington | Grant | 20 | Low | Not Available | 1961 | Irrigation |
| Honeymoon Lake Dam | Washington | Island | 20 | High | Satisfactory | 1969 | Recreation |
| Connell Wastewater Lagoons | Washington | Franklin | 20 | Significant | Fair | 2000 | Other |
| Woods Reservoir Dam | Washington | San Juan | 20 | Low | — | 1972 | Irrigation |
| North Aeration Stabilization Basin Lady Island | Washington | Clark | 20 | Significant | Satisfactory | 1977 | Other |
| Walla Walla Effluent Storage Lagoon | Washington | Walla Walla | 19 | Low | Satisfactory | 2008 | Other |
| Loreene Lake Dam | Washington | King | 19 | Low | — | 1963 | Recreation |
| Centralia Coal Mine Dam No 44 | Washington | Lewis | 19 | Low | — | 1975 | Tailings |
| Snoqualmie Falls | Washington | King | 19 | Low | Satisfactory | 1898 | Hydroelectric |
| Limekiln Dam | Washington | San Juan | 19 | Low | — | 1976 | Recreation |
| Agreserves Plymouth Wastewater Storage Pond | Washington | Benton | 19 | Significant | — | 2023 | Other |
| Moses Lake North Dam | Washington | Grant | 19 | Low | — | 1930 | Irrigation |
| Carlisle Lake Dam | Washington | Lewis | 19 | High | Poor | 1920 | Fish and Wildlife Pond |
| Firnstahl Dam | Washington | Snohomish | 19 | Low | Poor | 1965 | Irrigation |
| H & H Reservoir Dam No 1 | Washington | Chelan | 19 | High | Satisfactory | 1926 | Irrigation |
| Whatcom Lake Dam | Washington | Whatcom | 19 | High | Satisfactory | 1937 | Recreation |
| Davenport Sewage Lagoon No 3 | Washington | Lincoln | 19 | High | Fair | 1987 | Other |
| Thorald Dam | Washington | San Juan | 19 | Low | — | 1988 | Irrigation |
| Headquarters Landfill Leachate Pond | Washington | Cowlitz | 19 | Significant | Satisfactory | 1993 | Other |
| South 336th Street Stormwater Dam No 2 | Washington | King | 19 | High | Fair | 1996 | Flood Risk Reduction |
| Shiflett Reservoir No. 1 | Washington | Chelan | 19 | High | Fair | 1945 | Irrigation |
| Goldendale Wastewater Pond 1b | Washington | Klickitat | 19 | Low | — | 1983 | Other |
| Pacific Nw Sugar CO Condensation Pond | Washington | Grant | 19 | Low | — | 1998 | Other |
| Skagit Lake Dam | Washington | Skagit | 19 | Low | — | 1971 | Recreation |
| Koehn Ranch Reservoir | Washington | Grant | 19 | High | Satisfactory | 2009 | Irrigation |
| Horn School Rest Area Sewage Lagoon | Washington | Whitman | 19 | High | Satisfactory | 1996 | Other |
| Stemilt Equalizing Reservoir | Washington | Chelan | 19 | High | Satisfactory | 1985 | Irrigation |
| Goldendale Wastewater Pond 2 | Washington | Klickitat | 19 | Low | — | 1983 | Other |
| Colchuck Lake Dam | Washington | Chelan | 18 | High | Poor | 1930 | Irrigation |
| Des Moines Ck Reg Det Facility East Berm | Washington | King | 18 | High | Satisfactory | 2009 | Flood Risk Reduction |
| Fire Mountain Boy Scout Camp Dam A | Washington | Skagit | 18 | High | Fair | 1971 | Recreation |
| Johnson Creek Reservoir Dam | Washington | Klickitat | 18 | High | Fair | 1982 | Irrigation |
| Tapps Lake Dike No10 | Washington | Pierce | 18 | High | Satisfactory | 1911 | Recreation |
| Christine Lake Dam | Washington | Mason | 18 | Low | — | 1967 | Recreation |
| Ruth Lake Dam | Washington | Kitsap | 18 | Low | Poor | 1977 | Other |
| Dragoon Lake Dam | Washington | Spokane | 18 | Low | — | 1913 | Recreation |
| Erickson Dam | Washington | Clark | 18 | Significant | Poor | 1968 | Irrigation |
| Long Bell Mill Pond Dam | Washington | Lewis | 18 | Low | — | 1943 | Other |
| Dhondt Dam | Washington | Stevens | 18 | Low | — | 1983 | 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.