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Table 5-6: City of Pleasanton Normal/Average Year Supply Sources (AFA) Supply Projections Treated Water Purchase Year 2005 2010 2015 2020 2025 2030 Purchased from Zone 7 14,553 18,320 21,800 22,700 23,400 23,400 GPQ 3,500 3,500 3,500 3,500 3,500 3,500 Total Supply 19,170 21,820 25,300 26,200 26,900 26,900 Notes: GPQ: Groundwater Pumping Quota a. City of Pleasanton purchases 80% of supply Zone 7 through an annual ContractodPurchase delivery request. Table 8 Water Demands by Customer from the 2005 Zone 7 Water Agency Urban Water Management Plan, page 35 (from 2010 into the future). b. City of Pleasanton's Actual Purchase Amount c. Buidout occurs in 2025 it is estimated that demands would not change dramatically after buildout table assumes "natural conservation through new fixtures" 2002 City of Pleasanton Urban Water Management Plan. Table 3-2 Baseline Water Projections page 3-8. City of Pleasanton Final Water Supply Assessment Stoneridge Drive Specific Plan Amendment and Staples Ranch Project 4.0 Water Agency Background Pleasanton submits a request each year for a treated supply quantity not less than the water delivered during the current year. The requested amount must also fall within the designated water supply schedule. Over the past ten years, 75 to 80 percent of Pleasanton's annual water requests have been met by Zone 7 deliveries. In fact, deliveries to Pleasanton account for about 40 to 45 percent of the total treated water available to Zone 7 from all of its available treated water supplies. It is reasonable to assume, based upon historical reliability, that Pleasanton would continue to receive a minimum of 80 percent of its treated water supplies to buildout in 2025 and beyond to 2030 from Zone 7. This percentage was used to determine the City's share of the available treated water supplies from Zone 7. In 2005, the City, per the agreement with Zone 7, requested 15,670 AF; however, actual use equaled 14,533 AF, or a decrease due to lower demand, of about 1,100 AF. Assuming buildout in 2025 and average daily demands ranging from approximately 16 mgd (at present) to 24 mgd (at buildout) by the City, it appears that Zone 7 has sufficient water supplies to serve the City's new water demands up to and including build out conditions and to 2030. This assumes that approximately 40% (current percentage) of the future total water supply available to Zone 7 is delivered to the City of Pleasanton. PAPrajud -wP aiy411et01 slap.. ne.,di INSAIFImfflnd wewdoo 5 -18