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Water Management and Conservation Plan June 2017 FINAL REPORT

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Water Management and Conservation Plan June 2017 FINAL REPORT Water Management and Conservation Plan June 2017 FINAL REPORT Water Management and Conservation Plan Prepared for Medford Water Commission June 2017 Contents Section Page Acronyms and Abbreviations ..............................................................................................................vii 1 Introduction ......................................................................................................................... 1-1 Overview ....................................................................................................................................... 1-1 Plan Organization .......................................................................................................................... 1-3 Affected Local Governments ........................................................................................................ 1-3 Plan Update Schedule ................................................................................................................... 1-4 2 Water Supplier Description ................................................................................................... 2-1 Source ........................................................................................................................................... 2-1 Interconnections with Other Systems .......................................................................................... 2-1 Intergovernmental Agreements ................................................................................................... 2-1 Service Area Description ............................................................................................................... 2-2 System Description ....................................................................................................................... 2-5 Records of Water Use ................................................................................................................... 2-8 Terminology ..................................................................................................................... 2-8 System Demands ............................................................................................................. 2-9 Monthly Demands ......................................................................................................... 2-13 Peaking Factor ................................................................................................................ 2-20 Per Capita Demands ....................................................................................................... 2-20 Demand Factors for Overall System .............................................................................. 2-22 Demand Factors Inside City of Medford ........................................................................ 2-24 Consumption and Nonrevenue Water ........................................................................... 2-24 Customer Characteristics and Use Patterns ............................................................................... 2-26 Inside Medford, Outside, and District Customers ......................................................... 2-26 Customers Inside Medford ............................................................................................ 2-28 Water Rights ............................................................................................................................... 2-32 Water Law Introduction ................................................................................................. 2-32 MWC Water Rights ........................................................................................................ 2-33 Other City Water Rights ................................................................................................. 2-39 Aquatic Resource Concerns ........................................................................................... 2-40 Withdrawals ................................................................................................................... 2-41 Evaluation of Water Rights and Supply....................................................................................... 2-42 3 Water Conservation .............................................................................................................. 3-1 Current Conservation Measures ................................................................................................... 3-5 Use and Reporting Program ........................................................................................................ 3-10 Required Conservation Programs ............................................................................................... 3-10 Additional Conservation Measures ................................................................................ 3-10 Expanded Use Under Extended Permits ..................................................................................... 3-11 Expanded Use Under Extended Permit S-23210 ........................................................................ 3-11 Analyses of Potential New Conservation Measures ................................................................... 3-11 Water Reuse .................................................................................................................. 3-14 4 Curtailment Plan ................................................................................................................... 4-1 Overview ....................................................................................................................................... 4-1 Authority ....................................................................................................................................... 4-1 WT0401161125CVO III CONTENTS Section Page City of Medford Charter ................................................................................................... 4-1 Regulations Governing Water Service Handbook ............................................................ 4-1 Plan Implementation .................................................................................................................... 4-2 Water System Capacity Constraints and Historical Supply Deficiencies....................................... 4-3 Capacity Constraints ........................................................................................................ 4-3 Historical Supply Deficiencies .......................................................................................... 4-3 Curtailment Stages and Contact List ............................................................................................. 4-4 Curtailment Actions ...................................................................................................................... 4-6 Stage 1: Awareness of Potential Water Shortage ............................................................ 4-6 Stage 2: Potential Water Shortage Alert .......................................................................... 4-7 Stage 3: Water Shortage ................................................................................................ 4-10 Stage 4: Severe Water Supply Shortage ........................................................................ 4-13 Stage 5: Emergency Water Supply Disruption ............................................................... 4-15 Variances ..................................................................................................................................... 4-16 Penalties ...................................................................................................................................... 4-16 Appeals........................................................................................................................................ 4-17 Modifications .............................................................................................................................. 4-17 5 Water Supply Element .......................................................................................................... 5-1 Delineation of Service Areas ......................................................................................................... 5-1 Population Projections .................................................................................................................. 5-1 Water Demand Forecast ............................................................................................................... 5-5 Schedule to Exercise Permits and Comparison of Projected Need to Available Sources ............. 5-7 Alternative Sources ..................................................................................................................... 5-12 Greenlight Water Request and Quantification of Maximum Rates and Monthly Volumes ....... 5-12 Mitigation Actions under State and Federal Law........................................................................ 5-13 New Water Rights ....................................................................................................................... 5-13 6 References ............................................................................................................................ 6-1 Appendixes A Local Government Agency Correspondence B MWC WMCP Progress Report 2014 to Present C Conservation Measure Cost Benefit Analysis Assumptions IV WT0401161125CVO CONTENTS Section Page
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