UWM Plan - Municipal Water District of Orange County

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Municipal Water District of Orange County 18700 Ward St • Fountain Valley, CA 92708 2010 Regional Urban Water Management Plan June 2011 Report Prepared By: Malcolm Pirnie, Inc. 8001 Irvine Center Drive Suite 1100 Irvine, CA 92618
Table of Contents Contents Executive Summary E-1 1. Introduction 1-1 1.1. Urban Water Management Plan Requirements ............................................................ 1-1 1.2. Municipal Water District of Orange County ................................................................... 1-3 1.3. Service Area.................................................................................................................. 1-7 2. Water Demand 2-1 2.1. Overview ....................................................................................................................... 2-1 2.2. Factors Affecting Demand ............................................................................................ 2-3 2.2.1. Climate Characteristics ................................................................................. 2-3 2.2.2. Demographics ............................................................................................... 2-4 2.3. Direct and Indirect Water Use ....................................................................................... 2-5 2.3.1. Direct Use – Municipal/Industrial and Agricultural Demands ........................ 2-6 2.3.2. Indirect Use – Replenishment and Barrier Demands .................................... 2-6 2.4. SBx7-7 Requirements ................................................................................................... 2-7 2.4.1. Overview........................................................................................................ 2-7 2.4.2. Orange County 20x2020 Regional Alliance .................................................. 2-8 2.4.3. Steps to Calculate Regional Target .............................................................. 2-9 2.4.4. Water Use Reduction Plan .......................................................................... 2-13 2.5. Demand Projections .................................................................................................... 2-16 2.5.1. 25 Year Projections ..................................................................................... 2-16 2.5.2. Low Income Household Projections ............................................................ 2-17 3. Water Sources and Supply Reliability 3-1 3.1. Overview ....................................................................................................................... 3-1 3.2. Metropolitan Water District of Southern California........................................................ 3-3 3.2.1. Metropolitan’s 2010 Regional Urban Water Management Plan .................... 3-5 3.2.2. Colorado River Aqueduct (CRA) ................................................................... 3-6 3.2.3. State Water Project (SWP).......................................................................... 3-11 3.2.4. Central Valley/SWP Storage and Transfer Programs ................................. 3-15 3.2.5. Supply Reliability within Metropolitan .......................................................... 3-18 3.2.6. MWDOC’s Imported Water Supply Projections........................................... 3-22 3.3. Groundwater ............................................................................................................... 3-22 3.3.1. Lower Santa Ana River Groundwater Basin ............................................... 3-22 3.3.2. San Juan Basin ........................................................................................... 3-27 3.3.3. La Habra Basin ............................................................................................ 3-29 3.3.4. Main San Gabriel Basin (California Domestic Water Company)................. 3-30 3.3.4.1. Main San Gabriel Basin Judgment ................................................... 3-32 3.3.5. San Mateo Basin ......................................................................................... 3-33 3.3.6. Laguna Canyon Basin ................................................................................. 3-33 3.3.7. Impaired Groundwater ................................................................................. 3-33 3.3.8. Recharge Facilities for OCWD Basin .......................................................... 3-35 3.3.9. Metropolitan Groundwater Replenishment Program ................................... 3-35 3.3.10. Metropolitan Conjunctive Use Program ...................................................... 3-36 Municipal Water District of Orange County 2010 Regional Urban Water Management Plan Final i
Page 1: Municipal Water District of Orange
Page 5 and 6: Table of Contents 6. Recycled Water
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
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Section 3 Water Sources and Supply
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State Water Project Programs and Lo
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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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