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William Mulholland (September 11, 1855 – July 22, 1935) was an Irish American self-taught civil engineer who was responsible for building the infrastructure to provide a water supply that allowed Los Angeles to grow into the largest city in California.
California's interconnected water system serves almost 40 million people and irrigates over 5,680,000 acres (2,300,000 ha) of farmland. [1] As the world's largest, most productive, and potentially most controversial water system, [2] [page needed] it manages over 40 million acre-feet (49 km 3) of water per year. [3]
The Owens Valley aqueduct was designed and built by the city's water department, at the time named The Bureau of Los Angeles Aqueduct, under the supervision of the department's Chief Engineer William Mulholland. [7] The system delivers water from the Owens River in the eastern Sierra Nevada mountains to Los Angeles.
[a] This water system was used for both domestic uses and irrigation to fields west of town. The main zanja ultimately fed eight branch zanjas. [1] This availability of water was essential to the survival and growth of the community founded here. Brick conduits 3 to 3.5 feet (0.91 to 1.07 m) in diameter were built to improve the system after 1884.
The Los Angeles Department of Water and Power (LADWP) is the largest municipal utility in the United States with 8,100 megawatts of electric generating capacity (2021–2022) and delivering an average of 435 million gallons of water per day (487,000 acre-ft per year) to more than four million residents and local businesses in the City of Los Angeles and several adjacent cities and communities ...
California Water Service Company: 1896: Earth: 61 19: 672: 829 Bear River Reservoir: Bear River Dam: ... City and County of San Francisco: 1956: Earth and rock: 315 ...
I n the wake of reports that a lack of water supply may have negatively impacted the work of firefighters battling the multiple blazes in Los Angeles, California Governor Gavin Newsom called for ...
The Metropolitan Water District of Southern California reservoirs store fresh water for use in Los Angeles, Orange, Ventura, Riverside, San Bernardino, and San Diego counties. These reservoirs were built specifically to preserve water during times of drought, and are in place for emergencies uses such as earthquake, floods or other events.