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TABLE OF CONTENTS <br />TABLEOF CONTENTS.............................................................................................................................. i <br />LISTOF TABLES.......................................................................................................................................iii <br />LISTOF FIGURES......................................................................................................................................v <br />EXECUTIVESUMMARY.............................................................................................................................1 <br />1.1 Background...............................................................................................................................................1 <br />1.2 Purpose of Study..................................................................................................................................... <br />3 <br />1.3 Rate Recommendations and Proposed Rates................................................................................... 3 <br />METHODOLOGY........................................................................................................................................9 <br />2.1 General Methodology.............................................................................................................................. 9 <br />2.2 Key Assumptions...................................................................................................................................10 <br />EscalationFactors.........................................................................................................................................10 <br />CustomerGrowth...........................................................................................................................................11 <br />ReservePolicy...............................................................................................................................................13 <br />EquivalentMeter Size...................................................................................................................................14 <br />WATERUTILITY.......................................................................................................................................16 <br />3.1 Financial Plan.........................................................................................................................................16 <br />DemandProjections......................................................................................................................................16 <br />Revenues........................................................................................................................................................17 <br />Operating and Maintenance (O&M) Expense...........................................................................................18 <br />OtherObligations...........................................................................................................................................19 <br />CapitalImprovement Projects.....................................................................................................................19 <br />DebtService and Coverage Ratios............................................................................................................ <br />20 <br />Reserves......................................................................................................................................................... <br />21 <br />FinancialPlan.................................................................................................................................................22 <br />RevenueRequirements................................................................................................................................25 <br />3.2 Cost of Service Analysis....................................................................................................................... <br />26 <br />Functionalization of Costs............................................................................................................................26 <br />Allocationto Customers................................................................................................................................ <br />36 <br />Allocationto Units..........................................................................................................................................36 <br />3.3 Water Rate Design................................................................................................................................ <br />38 <br />MonthlyFixed Charge................................................................................................................................... <br />38 <br />VariableWater Rates....................................................................................................................................41 <br />) QQAWAna - 2026 Water and Sewer Rate Study 23 — 23 <br />3/17/2026 1 <br />