Mossyrock Dam
E690659
Mossyrock Dam is a large hydroelectric concrete arch-gravity dam in Washington State, known for being the tallest dam in the state and a major source of power and flood control on the Cowlitz River.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
arch-gravity dam
ⓘ
concrete dam ⓘ hydroelectric dam ⓘ |
| associatedWith | hydropower generation in western Washington ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionBegan | 1961 ⓘ |
| constructionMaterial | concrete ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Riffe Lake NERFINISHED ⓘ |
| damCrosses | Cowlitz River NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| function | peak flow regulation on the Cowlitz River ⓘ |
| hasRecreation |
boating on Riffe Lake
ⓘ
camping around Riffe Lake ⓘ fishing on Riffe Lake ⓘ |
| height |
about 185 meters
ⓘ
about 606 feet ⓘ |
| installedCapacity | about 300 MW ⓘ |
| isTallestDamIn | Washington State NERFINISHED ⓘ |
| length |
about 1,648 feet
ⓘ
about 502 meters ⓘ |
| locatedIn |
Lewis County, Washington
NERFINISHED
ⓘ
Washington ⓘ
surface form:
Washington State
|
| nearCity | Mossyrock, Washington NERFINISHED ⓘ |
| notableFor |
being the tallest dam in Washington State
ⓘ
large hydroelectric capacity on the Cowlitz River ⓘ major role in regional flood control ⓘ |
| numberOfTurbines | 2 ⓘ |
| openingDate | 1968 ⓘ |
| operator | Tacoma Power NERFINISHED ⓘ |
| owner | Tacoma Power NERFINISHED ⓘ |
| partOf | Cowlitz River Project NERFINISHED ⓘ |
| primaryUse | base-load power supply for Tacoma Power system ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water storage ⓘ |
| region | Pacific Northwest ⓘ |
| reservoirFormerName | Mossyrock Lake NERFINISHED ⓘ |
| reservoirName | Riffe Lake NERFINISHED ⓘ |
| river | Cowlitz River NERFINISHED ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| typeOfStructure | arch-gravity concrete structure ⓘ |
| watercourse | Cowlitz River NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.