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The San Francisco Public Utilities Commission (SFPUC) is a public agency of the City and County of San Francisco that provides water, wastewater, and electric power services to the city and an additional 1.6 million customers within three San Francisco Bay Area counties.〔(About SFPUC ), San Francisco Public Utilities Commission.〕 Since its creation in February 2005, the SFPUC Power Enterprise Division has supplied power to many city facilities including Muni, San Francisco International Airport as well as the Modesto and Turlock Irrigation districts.The SFPUC is also the water, electricity and wastewater utility for occupants of Treasure Island and Yerba Buena Island. The SFPUC manages a complex water supply system consisting of reservoirs, tunnels, pipelines and treatment facilities and is the third largest municipal utility agency in California. The SFPUC protects its watershed properties with security utility trucks and fire apparatus painted white over green. The SFPUC provides fresh water from Hetch Hetchy Reservoir to 2.4 million customers for residential, commercial and industrial uses. Near one-third of its delivered water is sent to customers within San Francisco, while the remaining two-thirds is sent to Alameda, San Mateo, and Santa Clara counties. Aside from delivering water, the agency is also responsible for treating wastewater before discharging it into the San Francisco Bay and the Pacific Ocean.〔(Water ), San Francisco Public Utilities Commission.〕 ==Historical origins== From the mid-19th Century, much of the Alameda County watershed was owned by the Spring Valley Water Company (SVWC), a private enterprise which held a monopoly on water service to San Francisco. In 1906, William Bowers Bourn II, a major stockholder in the SVWC, and owner of the giant Empire Mine, hired Willis Polk to design a "water temple" atop the spot where three subterranean water mains converge, from the Arroyo de la Laguna and Alameda Creeks, the Sunol infiltration galleries, and a 30-inch pipeline from the artesian well field of Pleasanton. Municipal efforts to buy out the SVWC had been a source of constant controversy from as early as 1873, when the first attempt to purchase it was turned down by San Francisco voters because the price was too high. Other sources claim that as one born into wealth and classically educated, Bourn was partially motivated by a sense of civic responsibility. Prior to construction of the Hetch Hetchy Aqueduct, half of San Francisco's water supply, approximately 6 million gallons per day passed through the Sunol temple. The SVWC, including the temple, was purchased by the city of San Francisco in 1930 for US$40 million.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「San Francisco Public Utilities Commission」の詳細全文を読む スポンサード リンク
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