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<br /> <br />"~:,,, <br /> <br />,,,It. <br /> <br />oJ',,,, <br /> <br />.\n,. <br /> <br />,I"r", <br />",~III. .do..- <br /> <br />Aqueduct systems <br />supplying Los Angeles <br /> <br /> <br />Lake Uoyd <br />Reservoir <br /> <br />Oakdale <br />Portal <br /> <br />Lake Eleanor <br />Reservoir <br /> <br /> <br />... ~ ..~( O'Shaughnessy Dam <br /> <br />..#'q; , <br />/<f' ff <br />...i:>~ .... <br />. if 'f'.e\ ... <br />:~ 'f'.... <br />Gruveland . G ~e1i~~.. <br />Moccasin. O'0yS.... Hetch Hetchy <br />Powerhouse C'j}~i:.. Reservoir <br />.........~ - ... E I I k O' . 0 <br />- __..........................0. ary nta e Iverslon am <br />Mountain Tunnel Robert C. <br />Kirkwood <br />Powerhouse <br /> <br />Tuolumne River <br /> <br />Foothill Tunnel <br /> <br /> <br /> <br />1)" If 1)" 1)" 1)" 1)" 1)" <br />^ 1)" Stanislaus 1)" ^ <br />.:y. 1)" Nallo_1 Forest 1)".:y. <br />1)" <br /> <br />Yosemite <br />National <br />Park <br /> <br />State Water Resources Control Board Decision 1485) and other <br />instream environmental needs require approximately 9.56 million <br />acre-feet of water annually in average years, and 7.6 million acre-feet <br />in drought yearsS <br />These relative usages can also be seen in regional water use <br />statistics. Most of the water used in California is used in the Central <br />Valley, where over 19 million acre-feet of water is applied each <br />year, mostly to agricultural lands. The Sacramento River region <br />uses 11.7 million acre-feet of water annually, followed by the South <br />Coast region at 4.6 million and the Colorado River region at just <br />over 4 million.9 <br /> <br />On the order of 26 million acre-feet <br />annually are dedicated to wild and scenic <br />rivers and to environmental protection. <br /> <br />8 California Water Plan Update, volume 1, pages 338, 217. <br />9 California Water Plan Update, volume 2, pages 130. 119. <br /> <br />Chapter 1 A Brief History 7 <br />