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2015 URBAN WATER MANAGEMENT PLAN <br />CONTENTS <br />Acronymsand Abbreviations....................................................................................................................... <br />vii <br />1 Introduction..........................................................................................................................................1-1 <br />1.1 <br />Urban Water Management Plan Requirements...........................................................................1-1 <br />1.2 <br />Agency Overview.........................................................................................................................1-3 <br />1.3 <br />Service Area and Facilities..........................................................................................................1-6 <br />1.3.1 City of Santa Ana Service Area........................................................................................1-6 <br />1.3.2 City of Santa Ana Water Facilities....................................................................................1-7 <br />2 Demands..............................................................................................................................................2-1 <br />2.1 <br />Overview......................................................................................................................................2-1 <br />2.2 <br />Factors Affecting Demand...........................................................................................................2-1 <br />2.2.1 Climate Characteristics....................................................................................................2-1 <br />2.2.2 Demographics..................................................................................................................2-2 <br />2.2.3 Land Use..........................................................................................................................2-2 <br />2.3 <br />Water Use by Customer Type.....................................................................................................2-2 <br />2.3.1 Overview...........................................................................................................................2-3 <br />2.3.2 Non-Residential................................................................................................................2-3 <br />2.3.3 Sales to Other Agencies...................................................................................................2-4 <br />2.3.4 Non -Revenue Water.........................................................................................................2-4 <br />2.3.4.1 AWWA Water Audit Methodology...........................................................................2-4 <br />2.4 <br />Demand Projections.....................................................................................................................2-6 <br />2.4.1 Demand Projection Methodology.....................................................................................2-6 <br />2.4.2 Agency Refinement..........................................................................................................2-7 <br />2.4.3 25 Year Projections..........................................................................................................2-7 <br />2.4.4 Total Water Demand Projections.....................................................................................2-8 <br />2.4.5 Water Use for Lower Income Households.......................................................................2-8 <br />2.5 <br />SBx7-7 Requirements................................................................................................................2-10 <br />2.5.1 Baseline Water Use........................................................................................................2-10 <br />2.5.1.1 Ten to 15-Year Baseline Period (Baseline GPCD)...............................................2-11 <br />2.5.1.2 Five -Year Baseline Period (Target Confirmation)................................................2-11 <br />amadis.mm 9VA5d i <br />