UWM Plan - Municipal Water District of Orange County

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Section 4 Demand Management Measures respectively. Today, low-flow showerhead saturation is estimated to be more than 90% in single- and multi-family homes. As a result, water agencies throughout Orange County have achieved the 75% saturation requirement for this BMP. No further low-flow showerhead distribution or installation activity has occurred. 4.2.3. DMM 3: System Water Audits, Leak Detection and Repair With the sale of the Allen-McColloch Pipeline to Metropolitan in 1995, MWDOC no longer owns or operates a distribution system. Water purchased and sold by MWDOC is distributed through Metropolitan’s system to the MWDOC retail agencies. As a result, implementation of BMP No. 3 is not applicable to MWDOC. However, in an effort to assist its retail agencies, MWDOC publishes annually the Orange County Water Agencies Water Rates, Water System Operations, and Financial Information survey. This survey facilitates a pre-screening survey that estimates the volume and percent of unaccounted-for-water for each retail water agency in the county. In 2009, the percent of unaccounted-for-water for retail water agencies ranged from a low of 1.5% to a high of 7.5%, with an average of 3.8% In addition to the survey, MWDOC was awarded a grant to implement a study titled “Water Loss Management Program Assessment: Potable Water System Audits.” This study used the American Water Works Association and International Water Association Water Audit Methodology. The following retail water agencies participated in the study: City of Brea, City of Huntington Beach, Laguna Beach County Water District, Moulton Niguel Water District and City of Tustin. The purpose of the study was to: • Educate the agencies on the most current water loss control methods and technologies • Perform system water audit for each agency to determine current water losses and areas for improvement • Review each agency’s leakage management program and recommend improvements • Assist the agencies in achieving the California Urban Water Conservation Council Best Management Practice 1.2 compliance Non-Revenue water ranged from 3 to 10 percent of volume of water supplied, which is very good and will within the range of efficient water utilities concerned about conservation and water loss management practices. Municipal Water District of Orange County 2010 Regional Urban Water Management Plan Final 4-8
4.2.4. DMM 4: Metering with Commodity Rates Section 4 Demand Management Measures Metering with commodity rates by wholesale and retail agencies has been an industry standard throughout Orange County for many years. All customers are metered and billed based on commodity rates either monthly or bi-monthly. 4.2.5. DMM 5: Large Landscape Conservation Programs and Incentives MWDOC offers several landscape water use efficiency program aimed at both residential and commercial customers as described under DMM 1. MWDOC also offers programs in Orange County to specifically assist retail agencies and their large landscape customers to use water efficiently as follows: Water Smart Landscape Program - MWDOC has created a unique and innovative partnership linking landscape water management, green material management, and the non-point source pollution prevention goals of separate agencies into one program -- the Water Smart Landscape Program. This partnership includes MWDOC as lead agency, Metropolitan, Orange County Integrated Waste Management Department, U.S. Bureau of Reclamation, and all retail water agencies in Orange County. The Water Smart Landscape Program is designed to do the following: • Assist water agencies in meeting the landscape irrigation management requirements of the CUWCC’s BMP #5; • Assist cities and the County in meeting Integrated Waste Management Act goals (AB 979) to reduce the volume of waste and to recycle organic materials for the benefit of the landscape; and • Assist cities and the County in identifying landscape run-off sites and providing site-by-site remedies. Homeowner associations (HOAs) managing dedicated landscape irrigation meters are the primary target audience for participation in this program; however, city and school district landscapes also participate. There are more than 17,000 dedicated irrigation meters served by retail water agencies in Orange County, of which nearly 14,000 use potable water, while the remaining 3,000 use reclaimed water to irrigate urban landscapes. Table 4-4 identifies the total number of activated meters and associated AFY water savings in the MWDOC service area. Water savings is based on the results of the “Evaluation of the Landscape Performance Certification Program” which include a 765 gallon per day savings rate per dedicated irrigation meter. Participation in the program has grown from 629 meters in 2001to more than 10,000 meters in 2010. These meters are saving more than 8,700 AFY. Municipal Water District of Orange County 2010 Regional Urban Water Management Plan Final 4-9
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Municipal Water District of Orange
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Table of Contents Contents Executiv
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Table of Contents 6. Recycled Water
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Table of Contents List of Figures F
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Acronyms GAC GAP GMFP GPCD gpm GRF
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Message from the Board of Directors
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Executive Summary • Offer opportu
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Executive Summary When comparing su
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Executive Summary • Promoting par
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1. Introduction 1.1. Urban Water Ma
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Section 1 Introduction • Long-ran
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Section 1 Introduction term by vote
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Section 1 Introduction For more tha
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Section 1 Introduction Orange Count
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Section 2 Water Demand 600,000 2.5
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Section 2 Water Demand Table 2-1: C
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Section 2 Water Demand used to fill
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Section 2 Water Demand Baseline and
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Section 2 Water Demand o 10 percent
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Section 2 Water Demand These target
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Section 2 Water Demand under SBx7-7
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Section 2 Water Demand Legislation
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Page 57 and 58: State Water Project Programs and Lo
Page 71 and 72: 3.3.2. San Juan Basin Section 3 Wat
Page 79 and 80: 3.3.8. Recharge Facilities for OCWD
Page 89 and 90: 4. Demand Management Measures 4.1.
Page 91 and 92: 4.2. BMP Implementation in MWDOC Se
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Page 129 and 130: 6. Recycled Water 6.1. Agency Coord
Page 131 and 132: Section 6 Recycled Water outfalls a
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Page 135 and 136: Section 6 Recycled Water IRWD Los A
Page 137 and 138: Section 6 Recycled Water OCWD Groun
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Page 141 and 142: 7. Future Water Supply Projects and
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Section 7 Future Water Supply Proje
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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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