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<br />. <br /> <br />. <br /> <br />. <br /> <br />f <br /> <br />will be dependent on the water demands in the given year, reduced by the conservation <br />opportunities the entities have to provide additional supplies in dry years. The dry year options <br />are expected to include land fallowing opportunities, groundwater importation, and recovery of <br />water that had been previously banked within ClIlifornia or possibly in the Arizona Water Bank. <br />The combination of these programs may yield as much as 250,000 acre feet per year in California. <br />SNW A would probably rely on recovery of water from the Arizona Water Bank as its dry year <br />option and would be required to reduce its surplus demand above 300,000 afby one-half. <br />The partial M&I surplus tier will be implemented when Lake Mead storage is between <br />elevation 1125 and elevation 1145 (15.585 maf). The volume of the partial M&I surplus will vary <br />yearly and will decline over time as California proceeds toward its 4.4 rnaflegal entitlement. It <br />will be equal to the volume needed to deliver 1.1.12 mafthrough the MWD Colorado River <br />Aqueduct, considering the amount of core transfer programs already in place, less 250,000 af. <br />When California has reduced its demand to 4.65 maf or lower, the extra water made available <br />through the partial M&I surplus tier will be zero. <br />3.) Full M&I Surplus <br />During periods when Lake Mead content is above elevation 1145, but less than the <br />arnount which would initiate a surplus under the space building or flood control criteria descnbed <br />below, limited surpluses would be declared that would meet the goal of keeping the Colorado <br />River Aqueduct full and meeting the needs of the SNW A. The volume of this surplus, as it relates <br />to the Colorado River Aqueduct, would be the difference between the amount of water necessary <br />to keep the aqueduct full (1.212 maf) and the amount that MWD already has available to it from <br />sources within California's 4.4 mafbasic apportionment. MWD's available supply includes its <br />own priority 4 and 5 entitlements under the Seven Party Agreement, the arnount conserved <br />through core conservation programs that have been implemented, and any unused apportionment <br />from more senior California contractors. The overall Lower Basin surplus, i.e. the amount of <br />delivery above 7.5 rnaf, would also be reduced to the extent there is Arizona or Nevada unused <br />basic apportionment. The volume of water available to SNW A would be that amount needed for <br />M&I purposes within SNW A's service area above Nevada's basic apportionment of 0.3 rnaf. <br />Currenl projections indicate that SNW A may not need additional surpluses until about the year <br /> <br />8 <br />