Rock Island Dam

E424145

Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.

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All labels observed (1)

Label Occurrences
Rock Island Dam canonical 2

Statements (46)

Predicate Object
instanceOf gravity dam
hydroelectric dam
constructionBegan 1930
country United States of America
surface form: United States
county Chelan County NERFINISHED
generatesElectricityFor Chelan County NERFINISHED
regional power grid
hasFishPassageFacilities yes
hasFloodControlRole limited
hasGenerationType run-of-the-river
hasNumberOfPowerhouses 2
hasPowerhouse Powerhouse 1
Powerhouse 1
surface form: Powerhouse 2
hasRecreationOpportunities boating
fishing
hasSpillway yes
hasStatus operational
hasTurbineType Francis turbine
impounds Columbia River
installedCapacity approximately 624 MW
isConnectedTo Bonneville Power Administration
surface form: Bonneville Power Administration transmission system
isDownstreamOf Wanapum Dam NERFINISHED
isNamedAfter Rock Island (island in the Mississippi River)
surface form: Rock Island (local geographic feature)
isOnSectionOfColumbia upper mid-Columbia River
isOwnedByPublicUtility true
isPartOf Columbia River hydropower system
isPubliclyAccessible yes
isUpstreamOf Rocky Reach Dam NERFINISHED
locatedIn United States of America
surface form: United States

Washington
surface form: Washington State
locatedOnRiver Columbia River
nearestCity Wenatchee, Washington NERFINISHED
openingDate 1933
operator Chelan County Public Utility District
originalCapacity approximately 132 MW
owner Chelan County Public Utility District
purpose power generation
river regulation
region Pacific Northwest
reservoirName Rock Island Pool
riverBasin Columbia River Basin
state Washington
wasExpanded 1950s
1970s
wasFirstLargeHydroelectricDamOn Columbia River
surface form: Columbia River in the United States
wasOneOfFirstMajorDamsOn Columbia River

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.