Water Management and Conservation Plan
Total Page:16
File Type:pdf, Size:1020Kb
DRAFT REPORT Water Management and Conservation Plan Prepared for Medford Water Commission November 2016 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 ......................................................................................................... 2-12 Peaking Factor ................................................................................................................ 2-19 Per Capita Demands ....................................................................................................... 2-19 Demand Factors for Overall System .............................................................................. 2-22 Demand Factors Inside City of Medford ........................................................................ 2-23 Consumption and Nonrevenue Water ........................................................................... 2-23 Customer Characteristics and Use Patterns ............................................................................... 2-25 Inside Medford, Outside, and District Customers ......................................................... 2-25 Customers Inside Medford ............................................................................................ 2-28 Water Rights ............................................................................................................................... 2-31 Water Law Introduction ................................................................................................. 2-31 MWC Water Rights ........................................................................................................ 2-32 Other City Water Rights ................................................................................................. 2-37 Aquatic Resource Concerns ........................................................................................... 2-38 Monthly Withdrawals .................................................................................................... 2-39 Evaluation of Water Rights and Supply....................................................................................... 2-39 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 .................................................................................................. 4-9 Stage 4: Severe Water Supply Shortage ........................................................................ 4-12 Stage 5: Emergency Water Supply Disruption ............................................................... 4-14 Variances ..................................................................................................................................... 4-15 Penalties ...................................................................................................................................... 4-15 Appeals........................................................................................................................................ 4-16 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 Tables 1-1 Water Management and Conservation Plan Organization ..........................................................