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Redwood City 2000 URBAN WATER MANAGEMENT PLAN <br /> TABLE 5: REDWOOD CITY WATER SUPPLY AND DEMAND <br /> <br /> Multiple Dry Years <br /> Average Assured Single Dry Year 1 Year 2 Year 3 <br /> Units Normal Supply Year <br /> Water Year <br /> Mgd 11.82 10.92 9.39 9.39 8.35 8.35 <br /> AF/Year 12,800 12,200 10,500 10,500 9,400 9,400 <br /> Millions Units/Year5.6 5.3 4.6 4.6 4.1 4.1 <br /> % of Normal 100% 95% 90% 90% 80% 80% <br /> <br />A single dry-year (critical) condition following a normal-year could cause the <br />imposition of system-wide water shortages. Table 6 illustrates the level of first dry- <br />year water delivery shortage that could occur with the projected 5-year increments <br />of water demands. <br />TABLE 6: REDWOOD CITY WATER SUPPLY AND DEMAND UNDER <br />SINGLE YEAR 10% SYSTEM-WIDE SHORTAGE (IWSAP) <br />Annual Demand (million units) <br />Current 2005 2010 2015 2020 <br />Demand 5.51 5.74 5.98 6.24 6.50 <br />Interim Water Shot <br />Allocation Plan 4.6 4,6 4.6 4.6 4.6 <br />Allocation <br />Deficeit -0.91 -1.14 -1.38 -1.64 -1.90 <br />-17% -20% -23% -26% -29% <br />Multiple-year drought sequences could subject the Redwood City customers to <br />greater levels of shortage. Table -7 illustrates the level of water delivery shortages <br />that would be anticipated, if a th, :e-~ear dry hydrologic condition occurred. <br />TABLE 7: REDWOOD CITY WATER SUPPLY AND DEMAND UNDER <br />SECOND AND THIRD YEARS OF 20% SYSTEM-WIDE SHORTAGES <br />(IWSAP) <br />Annual Demand (million units) <br />Current 2005 2010 2015 2020 <br />I Demand 5.51 5.74 5.98 6.24 6.50 <br />I Interim Water Shortage <br />Allocation Plan (IWSAP) 4.1 4.1 4.1 4.1 4.1 <br />Allocation <br />Deficit -1.41 -1.64 -1.88 -2.14 -2.40 <br />o/, -26% -29% -31% -34% -37% <br /> <br />July 15, 2002 22 Revisic~ No. I <br /> <br /> <br />