Howard A. Hanson Dam
E744450
Howard A. Hanson Dam is a large flood-control and water-supply dam on Washington State’s Green River that helps protect the Seattle–Tacoma area from flooding and supports regional water needs.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
flood control dam ⓘ water supply dam ⓘ |
| basin | Duwamish–Green River basin NERFINISHED ⓘ |
| catchmentArea | Green River watershed NERFINISHED ⓘ |
| completedIn | 1962 ⓘ |
| constructionBegan | 1959 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| damType | earth and rockfill embankment ⓘ |
| designedBy | United States Army Corps of Engineers NERFINISHED ⓘ |
| hasEmergencyRole | protects industrial and residential areas in the Green River Valley from major floods ⓘ |
| hasFunction |
reduces peak flood discharges
ⓘ
regulates Green River streamflows ⓘ supports municipal water storage ⓘ |
| hasSpillwayType | concrete spillway ⓘ |
| height |
235 feet
ⓘ
approximately 72 meters ⓘ |
| helpsControlFloodingFor | downstream communities along the Green River ⓘ |
| helpsSupplyWaterTo |
Seattle metropolitan area
NERFINISHED
ⓘ
Tacoma metropolitan area NERFINISHED ⓘ surrounding South King County communities ⓘ |
| length |
675 feet
ⓘ
approximately 206 meters ⓘ |
| locatedIn |
King County
ⓘ
surface form:
King County, Washington
|
| locatedInNationalForest | Mount Baker–Snoqualmie National Forest NERFINISHED ⓘ |
| locatedInState | Washington NERFINISHED ⓘ |
| locatedNear | Enumclaw, Washington NERFINISHED ⓘ |
| locatedOnRiver | Green River NERFINISHED ⓘ |
| managedBy | United States Army Corps of Engineers NERFINISHED ⓘ |
| namedAfter | Howard A. Hanson NERFINISHED ⓘ |
| namedForOccupation | King County Commissioner ⓘ |
| nearCity | Palmer, Washington NERFINISHED ⓘ |
| opened | 1962 ⓘ |
| operatedBy | United States Army Corps of Engineers Seattle District NERFINISHED ⓘ |
| ownedBy | United States government ⓘ |
| partOf | federal flood control system in western Washington ⓘ |
| protectsArea |
Green River Valley
NERFINISHED
ⓘ
Seattle–Tacoma metropolitan area NERFINISHED ⓘ |
| purpose |
fish habitat management
ⓘ
flood control ⓘ municipal water supply ⓘ |
| regionServed | Puget Sound region NERFINISHED ⓘ |
| reservoirCapacity | about 106,000 acre-feet ⓘ |
| reservoirName | Eagle Gorge Reservoir NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Green River (Washington)