Owens Valley water wars

E71552

environmental conflict historical event resource conflict water conflict

The Owens Valley water wars were a series of early 20th-century conflicts in California over Los Angeles’ diversion of water from the Owens Valley, which devastated local agriculture and became a landmark case in Western water politics.

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All labels observed (7)

Label	Occurrences
California water wars	2
Owens Valley water rights controversy	2
Los Angeles water scandal (fictional)	1
Los Angeles water scandal (fictionalized)	1
Los Angeles water supply controversy	1
Owens Valley water wars canonical	1
Owens Valley water-rights disputes	1

How this entity was disambiguated

This entity first appeared as the object of triple T571028 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Owens Valley water wars
Context triple: [Owens Valley, historicalEvent, Owens Valley water wars]

A. Modoc War
The Modoc War was an 1872–1873 armed conflict in northern California and southern Oregon between the Modoc people and the United States Army, notable for its protracted guerrilla fighting in the Lava Beds and the execution of Modoc leader Captain Jack.
B. Heart of the Valley
Heart of the Valley is a nickname for Corvallis, Oregon, reflecting its central location in the fertile Willamette Valley.
C. Nez Perce War
The Nez Perce War was an 1877 conflict in which the U.S. Army pursued the Nez Perce tribe across the Pacific Northwest as they attempted a strategic retreat toward Canada rather than submit to forced relocation.
D. Warner Valley
Warner Valley is a geothermal area in northeastern California known for its hot springs, mud pots, and hiking trails within Lassen Volcanic National Park.
E. Anza Valley
Anza Valley is a high-desert valley in Southern California known for its rural landscapes, ranching, and historical significance to Indigenous peoples.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Owens Valley water wars
Target entity description: The Owens Valley water wars were a series of early 20th-century conflicts in California over Los Angeles’ diversion of water from the Owens Valley, which devastated local agriculture and became a landmark case in Western water politics.

A. Modoc War
The Modoc War was an 1872–1873 armed conflict in northern California and southern Oregon between the Modoc people and the United States Army, notable for its protracted guerrilla fighting in the Lava Beds and the execution of Modoc leader Captain Jack.
B. Heart of the Valley
Heart of the Valley is a nickname for Corvallis, Oregon, reflecting its central location in the fertile Willamette Valley.
C. Nez Perce War
The Nez Perce War was an 1877 conflict in which the U.S. Army pursued the Nez Perce tribe across the Pacific Northwest as they attempted a strategic retreat toward Canada rather than submit to forced relocation.
D. Warner Valley
Warner Valley is a geothermal area in northeastern California known for its hot springs, mud pots, and hiking trails within Lassen Volcanic National Park.
E. Anza Valley
Anza Valley is a high-desert valley in Southern California known for its rural landscapes, ranching, and historical significance to Indigenous peoples.
F. None of above. chosen

Statements (58)

Predicate	Object
instanceOf	environmental conflict ⓘ historical event ⓘ resource conflict ⓘ water conflict ⓘ
chronologyFollowedBy	California water politics in the Colorado River Basin ⓘ Mono Basin water disputes ⓘ linked to: Mono Basin
country	United States ⓘ linked to: United States of America
describedBySource	California water politics ⓘ Western water law history ⓘ
hasCause	construction of the Los Angeles Aqueduct ⓘ diversion of Owens River water to Los Angeles ⓘ urban water demand in Los Angeles ⓘ
hasEffect	decline of Owens Valley farming economy ⓘ devastation of local agriculture in Owens Valley ⓘ drying of Owens Lake ⓘ dust pollution from exposed Owens Lake bed ⓘ environmental degradation of Owens Lake ⓘ long-term legal disputes over water rights ⓘ resentment toward Los Angeles in Owens Valley communities ⓘ
hasTheme	environmental justice ⓘ growth of Los Angeles ⓘ urban versus rural resource use ⓘ water rights and property rights ⓘ
inspiredWork	film Chinatown ⓘ various books on California water history ⓘ
involves	Los Angeles Aqueduct ⓘ Owens Lake ⓘ Owens River ⓘ groundwater pumping in Owens Valley ⓘ
locatedIn	California ⓘ linked to: California, United States
location	Eastern California ⓘ linked to: eastern California Owens Valley ⓘ
mainConflict	allocation of surface water to Los Angeles versus local use ⓘ control of Owens River water rights ⓘ
mainParticipant	City of Los Angeles ⓘ linked to: Los Angeles Inyo County residents ⓘ Los Angeles Department of Water and Power ⓘ Owens Valley farmers ⓘ Owens Valley ranchers ⓘ
notableFor	being an early example of large-scale interbasin water transfer conflict ⓘ impact on doctrines of prior appropriation and water rights in the American West ⓘ influencing public perceptions of Los Angeles water policy ⓘ role in shaping Western water politics ⓘ secretive land and water rights acquisitions ⓘ use of political influence by Los Angeles to secure water rights ⓘ
partOf	history of Los Angeles water supply ⓘ history of the American West ⓘ
significantEvent	blowing up of aqueduct structures by local residents ⓘ construction of the Los Angeles Aqueduct ⓘ land purchases in Owens Valley by Los Angeles ⓘ legal challenges by Owens Valley landowners ⓘ sabotage of Los Angeles Aqueduct facilities ⓘ
significantYear	1905 ⓘ 1913 ⓘ 1924 ⓘ 1927 ⓘ 1930s ⓘ
startTime	early 20th century ⓘ

How these facts were elicited