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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> From 2021 to 2025, MWDOC conducted several research initiatives to support informed decision-making. <br /> In partnership with Flume Data Labs, MWDOC completed its Residential End Use Study in 2021,with <br /> subsequent updates in 2022 and 2024.This study provided detailed insights into disaggregated <br /> residential indoor and outdoor water use, significantly enhancing the understanding of water use patterns <br /> across Orange County. In 2023, MWDOC released its Potential and Opportunities study, which quantified <br /> the remaining water savings potential in the Orange County residential market, identified the most <br /> promising and cost-effective methods for reducing residential demand, and made recommendations on <br /> how best to direct financial and technical assistance to Retail Agencies and consumers for implementing <br /> residential water efficiency upgrades. <br /> To assess the economic impact of the Conservation Framework, MWDOC worked with M.Cubed and in <br /> 2023 published the Draft Water Use Efficiency Standards Economic Analysis: Impact Assessment of <br /> State-Mandated Urban Water Use Objectives. MWDOC continues to evaluate the impact of the regulation <br /> and Orange County retailer compliance. <br /> Additionally, MWDOC is piloting a tree program that allows eligible trees to qualify as a sustainability <br /> feature in Turf Replacement projects. Pilot goals include increasing the presence of trees in Turf <br /> Replacement projects and breaking down barriers to participation. It is anticipated that the pilot will be <br /> evaluated in 2026.A pilot research program investigating water savings associated with the replacement <br /> of broken pressure regulating valves at residential homes wrapped up in 2025.The results of this study <br /> are expected in 2027. <br /> 9.4 Urban Water Use Objective and CII Performance Measure <br /> Compliance <br /> A large focus for the City is to implement DMMs that will help them to meet the requirements of the <br /> Conservation Framework. DMMs described in this chapter may help to support member agencies with <br /> meeting their required UWUO and achieving CII Performance Measure Compliance. In addition, MWDOC <br /> provides support to agencies to assist with the calculation of UWUOs and compliance with CII <br /> performance measures via the Meter Area Measurement and TAP Programs, as described in Section 9.3. <br /> 9.4.'1 (JWUO Components <br /> Table 9.3 describes MWDOC's programs that will assist agencies in meeting their UWUO, through both <br /> direct measures (programs/activities that result in directly quantifiable water savings) and indirect <br /> measures (programs that provide resources promoting water efficiencies to the public that are impactful <br /> but not directly measurable).Additionally, MWDOC provides technical assistance to support water <br /> suppliers with compliance. <br /> CITY OF SANTA ANA <br />