Diversion & Growth

Water Diversions & Growth

Long before William Mulholland and Fred Eaton began building the Los Angeles Aqueduct, water was being diverted from the Owens River and tributary streams for agricultural purposes.

[click images to enlarge]

LANI_Slide_07_OR_Diversion

First the native Pauite created irrigated meadows. Then between 1860-1910, American settlers expanded these ditches into an expansive system of canals that captured the entire flow of the Owens River. Droughts in Owens Valley and Los Angeles are indicated by the stripes in the background. [click to enlarge]

LANI_Slide_08_H2O_Exports

Starting in 1913, the Los Angeles Aqueduct began siphoning water from the Owens River down to Los Angeles. Water from Mono Basin joined this flow in 1941 followed by pumping the groundwater [orange].

Los_Angeles_Annexation&Owens_Valley_Purchases

Purchase of Owens Valley land by the city matched the annexation of neighboring territory by the city as communities wanted access to the Aqueduct’s water. Once the Metropolitan Water District completed the Colorado River Aqueduct in 1939, growth of the City’s limits slowed.

 

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