City of Morgan Hill Water System Master Plan 2017

City of Morgan Hill Water System Master Plan

TABLE OF CONTENTS

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0.0 EXECUTIVE SUMMARY ..............................................................................................................ES-1 ES.1 STUDY OBJECTIVES .................................................................................................ES-1 ES.2 INTEGRATED APPROACH TO MASTER PLANNING ..............................................ES-2 ES.3 STUDY AREA ..............................................................................................................ES-2 ES.4 SYSTEM PERFORMANCE AND DESIGN CRITERIA ...............................................ES-3 ES.5 EXISTING WATER SYSTEM OVERVIEW .................................................................ES-3 ES.6 EXISTING AND FUTURE DOMESTIC WATER DEMANDS ......................................ES-3 ES.7 HYDRAULIC MODEL DEVELOPMENT......................................................................ES-3 ES.8 PRESSURE EVALUATION .........................................................................................ES-8 ES.9 SUPPLY AND STORAGE EVALUATION ...................................................................ES-8 ES.10 CAPITAL IMPROVEMENT PROGRAM......................................................................ES-8 1.0 CHAPTER 1 - INTRODUCTION .........................................................................................1-1 1.1 BACKGROUND..................................................................................................1-1 1.2 SCOPE OF WORK .............................................................................................1-1 1.3 INTEGRATED APPROACH TO MASTER PLANNING .......................................1-3 1.4 PREVIOUS MASTER PLANS.............................................................................1-3 1.5 RELEVANT REPORTS ......................................................................................1-4 1.6 REPORT ORGANIZATION.................................................................................1-4 1.7 ACKNOWLEDGEMENTS ...................................................................................1-5 1.8 UNIT CONVERSIONS AND ABBREVIATIONS ..................................................1-5 1.9 GEOGRAPHIC INFORMATION SYSTEMS........................................................1-6 2.0 CHAPTER 2 - PLANNING AREA CHARACTERISTICS ....................................................2-1 2.1 STUDY AREA DESCRIPTION............................................................................2-1 2.2 WATER SERVICE AREA AND LAND USE ........................................................2-1 HISTORICAL AND FUTURE GROWTH.........................................................................2-6 3.0 CHAPTER 3 - SYSTEM PERFORMANCE AND DESIGN CRITERIA ................................3-1 3.1 HISTORICAL WATER USE TRENDS.................................................................3-1 3.2 SUPPLY CRITERIA............................................................................................3-1 3.3 STORAGE CRITERIA ........................................................................................3-6 3.3.1 Typical Storage Criteria ........................................................................3-6 3.4 PRESSURE CRITERIA ......................................................................................3-8 3.5 UNIT FACTORS .................................................................................................3-9 3.6 SEASONAL DEMANDS AND PEAKING FACTORS...........................................3-9 3.6.1 Maximum Month Demand.....................................................................3-11 3.6.2 Maximum Day Demand ........................................................................3-11 3.6.3 Peak Hour Demand ..............................................................................3-12 3.7 FIRE FLOWS......................................................................................................3-12 3.8 TRANSMISSION AND DISTRIBUTION MAIN CRITERIA...................................3-12 4.0 CHAPTER 4 - EXISTING DOMESTIC WATER FACILITIES ..............................................4-1 4.1 EXISTING WATER SYSTEM OVERVIEW..........................................................4-1 4.2 SOURCE OF SUPPLY .......................................................................................4-1 4.3 RECYCLED WATER FEASIBILITY STUDY .......................................................4-1 4.4 PRESSURE ZONES...........................................................................................4-5 4.5 WATER DISTRIBUTION PIPELINES .................................................................4-5 4.6 STORAGE RESERVOIRS..................................................................................4-5

June 2017

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City of Morgan Hill Water System Master Plan