Hetch Hetchy Reservoir
E584017
Hetch Hetchy Reservoir is a man-made lake in Yosemite National Park that stores water and generates hydroelectric power for the San Francisco Bay Area.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| accessVia | Hetch Hetchy Road NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| completionDate | 1923 ⓘ |
| constructionStartDate | 1914 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdByDam | O'Shaughnessy Dam NERFINISHED ⓘ |
| elevation |
approximately 1,200 meters above sea level
ⓘ
approximately 3,800 feet above sea level ⓘ |
| environmentalImpact | inundated much of Hetch Hetchy Valley ⓘ |
| hasHydroelectricSystem | Hetch Hetchy Power System NERFINISHED ⓘ |
| hasNearbyTrail | Wapama Falls trail NERFINISHED ⓘ |
| hasNearbyWaterfall |
Tueeulala Falls
NERFINISHED
ⓘ
Wapama Falls NERFINISHED ⓘ |
| inflow | Tuolumne River NERFINISHED ⓘ |
| legalBasis | Raker Act NERFINISHED ⓘ |
| locatedIn |
Hetch Hetchy Valley
NERFINISHED
ⓘ
Sierra Nevada NERFINISHED ⓘ Tuolumne County, California NERFINISHED ⓘ Yosemite National Park ⓘ |
| locatedInProtectedArea | Yosemite National Park NERFINISHED ⓘ |
| locatedWithin | U.S. National Park System NERFINISHED ⓘ |
| managedBy | San Francisco Public Utilities Commission NERFINISHED ⓘ |
| maxLength |
about 13 kilometers
ⓘ
about 8 miles ⓘ |
| namedAfter | Hetch Hetchy Valley NERFINISHED ⓘ |
| nearestCity | Groveland, California NERFINISHED ⓘ |
| outflow | Tuolumne River NERFINISHED ⓘ |
| ownedBy | City and County of San Francisco NERFINISHED ⓘ |
| partOf |
Hetch Hetchy Project
NERFINISHED
ⓘ
San Francisco regional water system NERFINISHED ⓘ |
| providesPowerTo |
San Francisco Bay Area
NERFINISHED
ⓘ
San Francisco municipal facilities ⓘ |
| receivesWaterFrom | Sierra Nevada snowmelt ⓘ |
| region | Northern California ⓘ |
| subjectOf |
environmental controversy
ⓘ
proposals to restore Hetch Hetchy Valley ⓘ |
| surfaceArea |
about 1,940 acres
ⓘ
about 7.9 square kilometers ⓘ |
| treatsWaterBy | disinfection only (no filtration under normal conditions) ⓘ |
| usedFor |
flood control
ⓘ
hydroelectric power generation ⓘ municipal water supply ⓘ recreation (limited) ⓘ |
| volume |
about 430,000 acre-feet
ⓘ
about 530 million cubic meters ⓘ |
| waterQuality | high ⓘ |
| waterSupplyFor |
San Francisco
NERFINISHED
ⓘ
San Francisco Bay Area NERFINISHED ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.