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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> SWP supplies that are in excess, and during dry years. The Arvin-Edison Water Storage District returns <br /> MET's previously stored water to MET by direct groundwater pump-in or by exchange of surface <br /> water supplies. <br /> ■ Diamond Valley Lake to Rialto Pipeline: Planned for completion in 2028, this project creates new <br /> conveyance that improves the ability to move non-SWP supplies (120 cubic feet per second (cfs), <br /> including CRA and banked water) into areas historically dependent on SWP deliveries, increasing <br /> drought and seismic resilience. <br /> ■ High Desert Water Bank Program: Developed in partnership with AVEK, this regional groundwater <br /> banking program allows MET to store up to 280,000 AF of SWP Table A or other available supplies in <br /> the Antelope Valley groundwater basin. The program provides a put-and-take capability of up to <br /> approximately 70,000 AFY,with infrastructure including monitoring and production wells, California <br /> Aqueduct turnouts, pipelines, recharge basins, and pump facilities. Phase 1 became operational in <br /> 2023, with full build-out expected by approximately 2030. <br /> ■ Kern-Delta Water District Storage Program:This groundwater storage program has 250,000 AF of <br /> storage capacity, and water for storage can either be directly recharged into the groundwater basin or <br /> delivered to Kern-Delta Water District farmers in lieu of pumping groundwater. During dry years, the <br /> Kern-Delta Water District returns MET's previously stored water to MET by direct groundwater pump- <br /> in return or by exchange of surface water supplies. <br /> ■ Mojave Storage Program: MET entered into a groundwater banking and exchange transfer <br /> agreement with Mojave Water Agency that allows for the cumulative storage of up to 390,000 AF. The <br /> agreement allows for MET to store water in an exchange account for later return. <br /> ■ Richvale&Western Canal Water Transfers:These multi-year transfer options will provide <br /> supplemental dry-year supplies when available, with volumes up to approximately 54,000 AF <br /> (2025-2027). <br /> ■ San Bernardino Valley MWD Surplus SWP Program: Programmatic access to surplus SWP supplies <br /> (approximately 13 TAF)will be available from SBVMWD under certain hydrologic and operational <br /> conditions. <br /> ■ Semitropic Storage Program:The maximum storage capacity of the program is 350,000 AF, and the <br /> minimum and maximum annual yields available to MET are 34,700 AF and 236,200 AF, respectively. <br /> The specific amount of water MET can expect to store in and subsequently receive from the program <br /> depends on hydrologic conditions, any regulatory requirements restricting MET's ability to export <br /> water for storage and demands placed by other program participants. During wet years, MET has the <br /> discretion to use the program to store portions of its SWP supplies which are in excess, and during <br /> dry years, the Semitropic Water Storage District returns MET's previously stored water to MET by <br /> direct groundwater pump-in or by exchange of surface water supplies. <br /> ■ Sepulveda Feeder Pump Stations (Stage 1):This program includes pumping improvements that <br /> expand westward movement of CRA/SWP/banked supplies across service areas to address localized <br /> system constraints. Pumping capacity is expected to be 30 cfs upon completion of Stage 1 in 2027. <br /> ■ Yuba Accord Extension:This project is a continuation of an established dry-year transfer program <br /> from the Yuba watershed that can be accessed subject to hydrologic and regulatory conditions. As of <br /> 2025, the extension is under negotiation for approximately 250,000 AFY in supply. <br /> CITY OF SANTA ANA <br />