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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> effort by OCWD (in coordination with WRD and Los Angeles County) to control seawater intrusion into <br /> the OC Basin; operation of the injection wells forms a hydraulic barrier to seawater intrusion. <br /> OCWD also purchases imported water for recharge through MWDOC. Untreated imported water can be <br /> used to recharge the OC Basin through the surface recharge system at multiple locations, such as <br /> Anaheim Lake, the Santa Ana River, Irvine Lake, and San Antonio Creek, while treated imported water may <br /> be used for in-lieu recharge when appropriate. For current planning context and detailed recharge <br /> management strategies, refer to OCWD's most recent planning documents, including the 2024 OCWD <br /> Resilience Plan, in addition to prior foundational documents (Appendix D). <br /> 6.3.1.5 MET Imported Water for Groundwater Replenishment <br /> In the past, OCWD, MWDOC, and MET have coordinated water management to increase storage in the <br /> OC Basin when imported supplies are available for this purpose. MET's groundwater replenishment <br /> program was discontinued on January 1, 2013, and currently MET via MWDOC sells replenishment water <br /> to OCWD at the full-service untreated MET rate. Figure 6.5 shows MWDOC's imported water sales to <br /> OCWD since FY 1990-91, which averages approximately 27,888 AF per year. In three of the past five water <br /> years, OCWD has not needed to purchase more imported groundwater replenishment water. <br /> 80,000 <br /> 70,000 <br /> 60,000 <br /> 50,000 <br /> CL <br /> 40,000 <br /> 3o,00a <br /> 20,000 <br /> 10,00a <br /> �1 <br /> cv M u-� cp rr m m o cN an d LD cn r. X m o c-a M d as W r. X m o cV M -:? ,ra <br /> as qt m rn ar T m m 4 g R G 4 4 g 9 4 9 r' r Y c; Cr cv Cv n cv <br /> o N cS tt u7 c4 r-- a] M o N cO st 0 0 r-- W d) cq �-a d <br /> M T M M M M M M M M C? C? C? CS C? CZ C? CS CJ C? C> 0 C3 C3 C3 D N tJ N N C3 <br /> rn aD m rn m rn m rn o� rn o 0 o e� o 0 0 o N o 0 o ea o o © o © o o €� a o 0 0 <br /> cv cv c� " " N cv cN cN cv cv cN cN c� <br /> Fiscal Year <br /> ■Imported Groundwater Recharge/Barrier Deliveries ■Imported Cyclic Storage Deliveries <br /> Figure 6.5 MWDOC Imported Water Sales for Groundwater Replenishment <br /> Planned P-t!­o rs, reedaesatI _ ourr®rz <br /> On a regional scale, OCWD regularly evaluates potential projects and conducts studies to review the <br /> feasibility of new projects or sources. Groundwater basin-related projects that are planned or in progress <br /> are described below: <br /> CITY OF SANTA ANA <br />