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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> Urban • - A comprehensive water <br /> ••• management action plan to assess <br /> 00, water supply reliability. <br /> ........................................................................................................................................................................................................................................................................................................... <br /> A detailed plan to predict and <br /> ••• mitigate a water shortage <br /> - 00 <br /> condition. <br /> .......................................................................................................................................... . .................................................... .. ............ ..................... .. ... .. ..... ..... ...................... <br /> Water Shortage Contingenly <br /> Provides the legal authority to <br /> Response Ordinance enforce the Water Shortage <br /> s Contingency Plan <br /> Figure 8.1 Purpose and Relationships of the UWMP,WSCP, and Water Shortage Response Ordinance <br /> A complete version of the City's WSCP is provided in Appendix F and includes the steps to assess whether <br /> a water shortage is occurring, and what level of demand reduction actions to trigger for the most <br /> appropriate response to the water shortage conditions.The WSCP has prescriptive elements, including an <br /> analysis of water supply reliability; the drought shortage actions that align with water shortage levels that <br /> correspond to water shortage percentages ranging from 10 percent to greater than 50 percent; an <br /> estimate of potential to close supply gap for each measure; protocols and procedures to communicate <br /> identified actions for any current or predicted water shortage conditions; procedures for an annual water <br /> supply and demand assessment; monitoring and reporting requirements to determine customer <br /> compliance; and reevaluation and improvement procedures for evaluating the WSCP. <br /> 8.3 Summary of Water Shortage Response Strategy and Required <br /> DWR Tables <br /> The WSCP is organized into the following three main sections with Section 3 aligned with the California <br /> Water Code Section 16032 requirements. <br /> ■ Section 1 Introduction and WSCP Overview gives an overview of the WSCP fundamentals. <br /> ■ Section 2 Background Information provides a background on the City's water service area. <br /> ■ Section 3 Water Shortage Contingency Preparedness and Response Planning. <br /> Section 3.1 Water Supply Reliability Analysis provides a summary of the water supply analysis <br /> and water reliability findings from the 2025 UWMP. <br /> Section 3.2 Annual Water Supply and Demand Assessment Procedures provides a description <br /> of procedures to conduct and approve the Annual Assessment. <br /> Section 3.3 Six Standard Water Shortage Stages explains the WSCP's six standard water <br /> shortage levels corresponding to progressive ranges of up to 10, 20, 30, 40, 50, and more than <br /> 50 percent shortages. <br /> CITY OF SANTA ANA <br />