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EXECUTIVE SUMMARY.................................................................................................................. <br />ES -1 <br />California Water Code Requirements............................................................................................... <br />ES -1 <br />CityWater System............................................................................................................................. <br />ES -2 <br />WaterUse by City Customers............................................................................................................ <br />ES -2 <br />CityWater Supplies........................................................................................................................... <br />ES -2 <br />Conservation Target Compliance...................................................................................................... <br />ES -3 <br />City Water Service Reliability............................................................................................................ <br />ES -3 <br />Water Shortage Contingency Plan.................................................................................................... <br />ES -3 <br />UWMP Preparation, Review, and Adoption...................................................................................... <br />ES -4 <br />CHAPTER1 Introduction..................................................................................................................1-1 <br />1.1 Introduction...................................................................................................................................1-1 <br />1.2 Importance and Extent of City's Water Management Planning Efforts........................................1-1 <br />1.3 Changes from 2015 UWMP...........................................................................................................1-1 <br />1.4 Demonstration of Consistency with the Delta Plan for Participants in Covered Action...............1-3 <br />1.5 Plan Organization..........................................................................................................................1-4 <br />CHAPTER 2 Plan Preparation...........................................................................................................2-1 <br />2.1 Basis for Preparing a Plan..............................................................................................................2-1 <br />2.2 Regional Planning..........................................................................................................................2-1 <br />2.3 Individual or Regional Planning and Compliance..........................................................................2-2 <br />2.4 Fiscal or Calendar Year and Units of Measure..............................................................................2-2 <br />2.5 Coordination and Outreach...........................................................................................................2-3 <br />2.5.1 Wholesale and Retail Coordination.....................................................................................2-3 <br />2.5.2 Coordination with Other Agencies and the Community.....................................................2-4 <br />2.5.3 Notice to Cities and Counties...............................................................................................2-5 <br />CHAPTER 3 System Description........................................................................................................3-1 <br />3.1 General Description.......................................................................................................................3-1 <br />3.2 Service Area Boundary..................................................................................................................3-1 <br />3.3 Water System Description.............................................................................................................3-3 <br />3.3.1 Zone 7 Supply Turnouts.......................................................................................................3-3 <br />3.3.2 Groundwater Wells..............................................................................................................3-3 <br />3.3.3 City Potable Water Distribution System..............................................................................3-3 <br />3.3.4 Emergency Interties.............................................................................................................3-4 <br />3.3.5 Recycled Water Facilities.....................................................................................................3-4 <br />3.4 Service Area Climate......................................................................................................................3-4 <br />3.4.1 Historical Climate.................................................................................................................3-4 <br />3.4.2 Potential Effects of Climate Change....................................................................................3-5 <br />WEST YOST i City of Pleasanton <br />2020 Urban Water Management Plan <br />N-680-60-20-04-WP-R-680-2020UWMP May 2021 <br />