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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> Key planning and reporting documents that were used to develop this UWMP are listed below: <br /> ■ MET's 2025 UWMP uses assumptions that fall within the plausible futures contemplated in MET's <br /> Integrated Water Resources Plan to evaluate MET's future imported water supply reliability. <br /> ■ MET's 2020 Integrated Water Resources Plan (IRP) Regional Needs Assessment is a long-term, <br /> scenario-based planning document that guides Metropolitan's programs and investments to ensure <br /> reliable water supplies in Southern California and provides a basis for water supply reliability in <br /> Orange County. <br /> ■ MET's Climate Adaptation Master Plan for Water (CAMP4W) is an ongoing planning and <br /> decision-making tool that accounts for the complexities and uncertainties of climate change. Part of <br /> the second phase of MET's long-term IRP planning process, CAMP4W incorporates the results and <br /> findings of MET's 2020 IRP Regional Needs Assessment into a collaborative process to identify and <br /> evaluate integrated regional solutions. <br /> ■ MET's 2025 Water Shortage Contingency Plan (WSCP) provides a water supply availability <br /> assessment and guide for MET's intended actions during water shortage conditions. <br /> ■ MWDOC's 2025 WSCP provides a water supply availability assessment and structured steps designed <br /> to respond to actual conditions that will help maintain reliable supplies and reduce the impacts of <br /> supply interruptions. <br /> ■ MWDOC's 2023 Orange County Water Reliability Study is a planning document to help guide <br /> planning for future water supply reliability for water providers in Orange County and provide input on <br /> regional water supply issues for MET. <br /> ■ 2025 Orange County Water Demand Projection Model Technical Memorandum is a collaborative <br /> effort amongst MWDOC, OCWD, and all retail water suppliers in Orange County that developed water <br /> demand projections to produce regionally consistent forecasts across all Orange County water <br /> agencies. <br /> ■ OCWD's 2025 Groundwater Resilience Plan (GRP) was completed in February 2025. The GRP is an <br /> adaptive strategies management plan outlining strategic projects to secure reliable future water <br /> supplies in the OC Basin. <br /> ■ OCWD's 2023-24 Engineer's Report provides information on the groundwater conditions,water <br /> supply, and basin utilization of the OC Basin. <br /> ■ 2022 Basin 8-1 Alternative is an alternative to the Groundwater Sustainability Plan (GSP) for the <br /> OC Basin, provides significant information related to sustainable management of the basin in the past <br /> and hydrogeology of the basin, including groundwater quality and basin characteristics, and <br /> addresses DWR's recommendations to ensure long-term basin sustainability. <br /> ■ Santa Ana Hazard Mitigation Plan (2022) provides the basis for the seismic and other natural and <br /> natural disaster risk analysis of the water system facilities. <br /> ■ Santa Ana Capital Improvement Program of the City's service area provides information on water <br /> infrastructure planning projects and plans to address any required water system improvements. <br /> CITY OF SANTA ANA <br />