UWM Plan - Municipal Water District of Orange County

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Table of Contents 3.3.11. Historical Groundwater Production ............................................................. 3-36 3.3.12. Projections of Groundwater Production ...................................................... 3-37 3.4. Surface Water ............................................................................................................. 3-37 3.5. Recycled Water ........................................................................................................... 3-38 3.6. Transfer and Exchange ............................................................................................... 3-38 3.7. Supply Reliability ......................................................................................................... 3-39 3.7.1. Overview...................................................................................................... 3-39 3.7.2. Factors Contributing to Reliability ............................................................... 3-40 3.7.2.1. Water Quality .................................................................................... 3-41 3.7.3. Normal-Year Reliability Comparison ........................................................... 3-42 3.7.4. Single Dry-Year Reliability Comparison ...................................................... 3-43 3.7.5. Multiple Dry-Year Reliability Comparison .................................................... 3-43 4. Demand Management Measures 4-1 4.1. Overview ....................................................................................................................... 4-1 4.2. BMP Implementation in MWDOC Service Area ............................................................ 4-3 4.2.1. DMM 1: Water Survey Programs for Single-Family Residential and Multi- Family Residential Customers ...................................................................... 4-3 4.2.2. DMM 2: Residential Plumbing Retrofit .......................................................... 4-7 4.2.3. DMM 3: System Water Audits, Leak Detection and Repair .......................... 4-8 4.2.4. DMM 4: Metering with Commodity Rates ...................................................... 4-9 4.2.5. DMM 5: Large Landscape Conservation Programs and Incentives ............. 4-9 4.2.6. DMM 6: High-Efficiency Washing Machine Rebate Programs.................... 4-12 4.2.7. DMM 7: Public Information Programs ......................................................... 4-13 4.2.8. DMM 8: School Education Programs .......................................................... 4-15 4.2.9. DMM 9: Conservation Programs for Commercial, Industrial and Institutional Accounts ...................................................................................................... 4-18 4.2.10. DMM 10: Wholesale Agency Programs ...................................................... 4-20 4.2.11. DMM 11: Conservation Pricing ................................................................... 4-20 4.2.12. DMM 12: Water Conservation Coordinator ................................................. 4-23 4.2.13. DMM 13: Water Waste Prohibition .............................................................. 4-24 4.2.14. DMM 14: Residential Ultra-Low-Flush Toilet Replacement Programs ....... 4-25 5. Water Shortage Contingency Plan 5-1 5.1. Overview ....................................................................................................................... 5-1 5.2. Shortage Actions ........................................................................................................... 5-1 5.2.1. Metropolitan’s Water Supply Allocation Plan ................................................ 5-1 5.2.2. MWDOC’s Water Supply Allocation Plan ...................................................... 5-3 5.3. Three-Year Minimum Water Supply ............................................................................. 5-5 5.4. Catastrophic Supply Interruption .................................................................................. 5-7 5.4.1. Metropolitan ................................................................................................... 5-8 5.4.2. Water Emergency Response Organization of Orange County (WEROC).... 5-8 5.5. Prohibitions, Penalties and Consumption Reduction Methods ................................... 5-12 5.5.1. Mandatory Water Use Prohibitions ............................................................. 5-13 5.5.2. Consumption Reduction Methods ............................................................... 5-13 5.6. Impacts to Revenue .................................................................................................... 5-13 5.6.1. MWDOC Incremental Water Rate ............................................................... 5-13 5.6.2. Metropolitan Tiered Supply Rate and MWDOC Melded Supply Rate ........ 5-14 5.7. Reduction Measuring Mechanism............................................................................... 5-14 Municipal Water District of Orange County 2010 Regional Urban Water Management Plan Final ii
Table of Contents 6. Recycled Water 6-1 6.1. Agency Coordination ..................................................................................................... 6-1 6.2. Wastewater Description and Disposal .......................................................................... 6-1 6.2.1. Overview........................................................................................................ 6-1 6.2.2. Orange County Sanitation District ................................................................. 6-2 6.2.3. South Orange County Wastewater Authority ................................................ 6-3 6.3. Current Recycled Water Uses ...................................................................................... 6-4 6.4. Potential Recycled Water Uses .................................................................................... 6-8 6.4.1. Direct Non-Potable Reuse........................................................................... 6-10 6.4.2. Indirect Potable Reuse ................................................................................ 6-11 6.5. Optimization Plan ........................................................................................................ 6-11 7. Future Water Supply Projects and Programs 7-1 7.1. Water Management Tools ............................................................................................. 7-1 7.2. Transfer or Exchange Opportunities ............................................................................. 7-1 7.3. Planned Water Supply Projects and Programs ............................................................ 7-2 7.4. Desalination Opportunities ............................................................................................ 7-4 7.4.1. Groundwater Desalination ............................................................................. 7-5 7.4.2. Ocean Water ................................................................................................. 7-6 8. UWMP Adoption Process 8-1 8.1. Overview ....................................................................................................................... 8-1 8.2. Public Participation ....................................................................................................... 8-2 8.3. Agency Coordination ..................................................................................................... 8-2 8.4. UWMP Submittal ........................................................................................................... 8-4 8.4.1. Review of Implementation of 2005 UWMP ................................................... 8-4 8.4.2. Adoption and Filing of 2010 UWMP .............................................................. 8-5 List of Tables Table 2-1: Climate Characteristics .............................................................................................. 2-4 Table 2-2: Current and Projected MWDOC Service Area Population ......................................... 2-5 Table 2-3: MWDOC Service Area Demographics ....................................................................... 2-5 Table 2-4: Historical Water Demands for Direct Consumption in MWDOC’s Service Area (AFY) ....................................................................................................................... 2-6 Table 2-5: Historical Water Demands for Indirect Water Use in MWDOC’s Service Area (AFY) ....................................................................................................................... 2-7 Table 2-6: Members of Orange County 20x2020 Regional Alliance ........................................... 2-8 Table 2-7: Calculation of Regional Urban Water Use Targets for Orange County 20x2020 Regional Alliance ........................................................................................................................ 2-11 Table 2-8: Urban Water Use Targets for Orange County 20x2020 Regional Alliance .............. 2-11 Table 2-9: Calculation of Annual Deductable Volume of Indirect Recycled Water Entering Distribution System ..................................................................................................................... 2-13 Table 2-10: Current and Projected Water Demands in MWDOC Service Area (AFY) ............. 2-17 Table 2-11: MWDOC’s Demand Projections Provided to its Member Agencies (AFY) ............ 2-17 Municipal Water District of Orange County 2010 Regional Urban Water Management Plan Final iii
Page 1 and 2: Municipal Water District of Orange
Page 3: Table of Contents Contents Executiv
Page 7 and 8: Table of Contents List of Figures F
Page 9 and 10: Acronyms GAC GAP GMFP GPCD gpm GRF
Page 11 and 12: Message from the Board of Directors
Page 13 and 14: Executive Summary • Offer opportu
Page 15 and 16: Executive Summary When comparing su
Page 17 and 18: Executive Summary • Promoting par
Page 19 and 20: 1. Introduction 1.1. Urban Water Ma
Page 21 and 22: Section 1 Introduction • Long-ran
Page 23 and 24: Section 1 Introduction term by vote
Page 25 and 26: Section 1 Introduction For more tha
Page 27 and 28: Section 1 Introduction Orange Count
Page 29 and 30: Section 2 Water Demand 600,000 2.5
Page 31 and 32: Section 2 Water Demand Table 2-1: C
Page 33 and 34: Section 2 Water Demand used to fill
Page 35 and 36: Section 2 Water Demand Baseline and
Page 37 and 38: Section 2 Water Demand o 10 percent
Page 39 and 40: Section 2 Water Demand These target
Page 41 and 42: Section 2 Water Demand under SBx7-7
Page 43 and 44: Section 2 Water Demand Legislation
Page 45 and 46: 3. Water Sources and Supply Reliabi
Page 47 and 48: Section 3 Water Sources and Supply
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3.2.3. State Water Project (SWP) Se
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State Water Project Programs and Lo
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Section 3 Water Sources and Supply
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3.3.2. San Juan Basin Section 3 Wat
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3.3.8. Recharge Facilities for OCWD
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4. Demand Management Measures 4.1.
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4.2. BMP Implementation in MWDOC Se
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Section 4 Demand Management Measure
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4.2.4. DMM 4: Metering with Commodi
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Section 5 Water Supplies Contingenc
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6. Recycled Water 6.1. Agency Coord
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Section 6 Recycled Water outfalls a
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Section 6 Recycled Water IRWD’s r
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Section 6 Recycled Water IRWD Los A
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Section 6 Recycled Water OCWD Groun
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6.4.2. Indirect Potable Reuse Secti
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7. Future Water Supply Projects and
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Section 7 Future Water Supply Proje
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Section 8 UWMP Adoption Process Thi
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Section 8 UWMP Adoption Process Cit
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Appendices A. Urban Water Managemen
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CALIFORNIA WATER CODE DIVISION 6 PA
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and county, city, regional agency,
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(4) A detailed description and anal
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dated December 10, 2008, as it may
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the agencies participating in the p
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service area at the end of 5, 10, 1
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10631, that achieve water savings s
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"Memorandum of Understanding Regard
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Demand “Bump” Factors for 2010
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Table 1. Per-Capita Retail Water Us
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Appendix C California Urban Water C
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Agency: Municipal Water District of
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Urban Water Management Plan checkli
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Calif. Water No. UWMP requirement a
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Municipal Water District of Orange
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List of Tables and Figures TABLES T
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Section 2: Metropolitan Water Distr
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Section 3: Development Process In p
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MWDOC’s allocation plan. Moreover
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Base Period Interim Agricultural Wa
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Shortage Levels: The model allocate
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to 2008; in order to incorporate th
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Section 5: Plan Implementation This
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agencies and Board Committee member
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Tracking and Reporting In preparing
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It important to note, MWDOC does no
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Appendix A List of Acronyms: AF- Ac
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Appendix C MWDOC Growth Adjustment
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Appendix F Letters of Notification
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Appendix H Resolution of Adoption o
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8001 Irvine Center Drive, Suite 110
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UWM Plan - Municipal Water District of Orange County

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