Hetch Hetchy water rights controversy

E569165

United States environmental history event environmental controversy political controversy water rights dispute

The Hetch Hetchy water rights controversy was an early 20th-century environmental and political battle over damming a Yosemite valley to supply water to San Francisco, helping to define the modern American conservation movement.

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Observed surface forms (1)

Surface form	Occurrences
Ballinger–Pinchot controversy	2

Statements (48)

Predicate	Object
instanceOf	United States environmental history event ⓘ environmental controversy ⓘ political controversy ⓘ water rights dispute ⓘ
conflictWith	preservation of Yosemite National Park ⓘ wilderness preservation ideals ⓘ
country	United States of America ⓘ surface form: United States
hasAspect	federal versus local control of natural resources ⓘ public versus private power generation debate ⓘ tension between urban needs and wilderness preservation ⓘ
hasCause	1906 San Francisco earthquake and fire NERFINISHED ⓘ San Francisco demand for hydroelectric power ⓘ San Francisco demand for reliable water supply ⓘ federal control of Yosemite National Park lands ⓘ
hasLocation	California NERFINISHED ⓘ Hetch Hetchy Valley NERFINISHED ⓘ Yosemite National Park NERFINISHED ⓘ
hasPart	campaigns by conservation organizations ⓘ debates in the United States Congress ⓘ lobbying by San Francisco officials ⓘ public opinion campaigns in the United States ⓘ
influenced	creation of stronger protections for national parks ⓘ development of U.S. environmental policy ⓘ later debates over dams in national parks ⓘ modern American conservation movement ⓘ
mainSubject	Hetch Hetchy Reservoir NERFINISHED ⓘ Hetch Hetchy Valley NERFINISHED ⓘ O'Shaughnessy Dam NERFINISHED ⓘ San Francisco water supply ⓘ conservation versus development ⓘ municipal water rights ⓘ
opponent	John Muir NERFINISHED ⓘ Sierra Club NERFINISHED ⓘ preservationist conservationists ⓘ
proponent	City of San Francisco NERFINISHED ⓘ San Francisco public utilities advocates ⓘ development-oriented conservationists ⓘ
relatedTo	Hetch Hetchy Project NERFINISHED ⓘ Raker Act NERFINISHED ⓘ history of Yosemite National Park ⓘ
result	authorization to dam Hetch Hetchy Valley ⓘ construction of O'Shaughnessy Dam ⓘ creation of Hetch Hetchy Reservoir ⓘ flooding of Hetch Hetchy Valley ⓘ increased support for national park preservation ⓘ strengthening of the American conservation movement ⓘ
significantEvent	passage of the Raker Act ⓘ
startTime	early 20th century ⓘ

Referenced by (3)

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

Hetch Hetchy Valley → subjectOf → Hetch Hetchy water rights controversy ⓘ

William Howard Taft administration → conflict → Hetch Hetchy water rights controversy ⓘ

this entity surface form: Ballinger–Pinchot controversy

The Fight for Conservation → historicalContext → Hetch Hetchy water rights controversy ⓘ

this entity surface form: Ballinger–Pinchot controversy