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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> 6.2.5 Potential Future Water Projects <br /> 6.2.5.1 Climate Adaptation Master Plan for Water <br /> In February 2023, the MET's Board directed its staff to integrate water resources planning, climate <br /> resilience planning, and financial planning into a Climate Adaptation Master Plan for Water(CAMP4W). <br /> Then a Joint Task Force of Board Members and Member Agency Managers was convened to facilitate the <br /> development of CAMP4W in a timely and transparent process.The main elements of CAMP4W include: <br /> 1. Identify climate and growth scenarios, building from analyses conducted for MET's Integrated <br /> Resources Plan (IRP). <br /> 2. Develop time-bound targets for new regional water supplies and system improvements. <br /> 3. Establish a framework for decision-making and annual reporting. <br /> 4. Form policies, initiatives, and partnerships. <br /> 5. Evaluate business models and funding strategies. <br /> Because investments for regional supply reliability and system resilience are significant, it is important that <br /> decisions are made through an adaptive management process to avoid the risks associated with <br /> over-investment or under-performance. Tracking signposts and progress towards time-bound targets is <br /> therefore critical for CAMP4W's annual reporting. Currently, regional projects being explored by MET <br /> include Pure Water Southern California, new reservoir storage in Southern California of up to 155,000 AFY, <br /> regional seawater desalination, and participation in California's Delta Conveyance Project.These projects <br /> will be scored against the following CAMP4W criteria: (1) reliability; (2) resilience; (3) financial; <br /> (4) adaptability/flexibility; (5) equity; and (6) environmental co-benefits. <br /> Pure Water Southern California - The potential Pure Water Southern California program, a partnership <br /> with the Sanitation Districts of Los Angeles County,would purify wastewater treatment effluent that <br /> currently flows to the ocean to produce high quality recycled water. The purified water would be delivered <br /> to Metropolitan's member agencies to meet their groundwater replenishment and storage requirements. <br /> It should be noted that the 2025 MET UWMP does not include Pure Water yield in projected supplies <br /> (MET, 2025). <br /> Sites Reservoir-This potential project includes a water storage reservoir of 1.5 MAF and would require <br /> the construction of two large dams up to 310 feet high and nine smaller saddle dams.The water stored in <br /> the reservoir, located north of Sacramento, would be diverted from the Sacramento River during high flow <br /> events and returned to the Sacramento River during dry and critical years, thereby providing additional <br /> dry-year water for environmental flows and project partners including SWP agencies south of the Delta. <br /> The current operations model estimates the annual water yield of the Sites Reservoir Project at <br /> approximately 270,000 AFY by 2032, when the Sites Reservoir Project is scheduled to be operational <br /> (MET, 2025). It should be noted that the 2025 MET UWMP does not include Sites Reservoir in projected <br /> supplies (MET, 2025). <br /> Delta Conveyance Project - Following DWR's withdrawal and subsequent termination of the California <br /> WaterFix project, the State advanced a new single-tunnel Delta Conveyance Project to address seismic <br /> risk, sea-level rise, extreme weather, and regulatory uncertainty while improving long-term SWP delivery <br /> reliability. The environmental review was completed in 2023 and DWR has approved the project. Potential <br /> yield used in planning analyses is on the order of approximately 400,000 AFY. It should be noted that the <br /> CITY OF SANTA ANA <br />