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7A <br /> Page 13 <br /> WATER SUPPLY, cont'd. <br /> Where does San Francisco qet �ts water? <br /> „ , <br /> San Francisco current�y obtains water from watersheds in San Mateo County, Alameda <br /> and Santa Clara Counties and the He#ch Hetchy watershed in the Sierra Mountains. An <br /> average, 85 percent of the system's water originates in the Sierra Mountains and filows <br /> to the Bay Area by gra�ity, requiring much less energy for pumping than most water <br /> systems in the State. <br /> Whv do a�encies outside San Francisco �e#water from the San Francisco <br /> Reqional Water Svstem? <br /> San Francisco's Hetch He#chy water system was built with the intent of serv�ng <br /> neighboring communities in these counties, and many of#he agenc�es served today <br /> supported the Congressionai act that permitted the sys#em to be buil#. <br /> If there is a drou�ht, how Es the availab�e supplv divided be�rnreen San Francisca's <br /> Retail and Vllholesale Customers? <br /> in the event of a drought, the Agreemenf includes a provision for ailocating water <br /> between San Francisco's Retail Customers and the Wholesale Customers as a group. <br /> The formula requires greater cutbacks to#he Wholesaie Customers reflecting <br /> differences in ciimate, density and land uses. <br /> Does the Aareement_sQecifv how wa�er would be allocated amona the 27 <br /> ._._.�_.._,.....� <br /> ,Wholesale Customers durinq a drouaht? <br /> No. The aliocatfon of water among the Wholesale Customers will be decided separa#e1y. <br /> In 2040, the Wholesale Customers appro�ed a plan to allocate their share of water <br /> among the 27 agencies. Tha#formula is based on severai principles, one of which is <br /> tha#agencies should no# be penalized for in�esting in locai water conservation or <br /> wastewa#er recycling. This plan will be re�iewed, and revised if necessary, this coming <br /> fiscal year, San Francisco is not a patty to that plan, so i# is no# included in the <br /> Agreement with San Francisco. On an indiv�dual agency basis, how each agency <br /> allocates water to its retail customers is up to that agency's go�erning body, and is not <br /> addressed in the Agreement with San Francisco. <br /> Page 3 of 4 <br />