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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> 10.2 Agency Coordination <br /> The Water Code requires the Suppliers preparing UWMPs to notify any city or county within their service <br /> area at least 60 days prior to the public hearing.As shown in Table 10.2, the City sent a Letter of <br /> Notification to the County of Orange and the cities within its service area on February 18, 2026 to state <br /> that it was in the process of preparing an updated UWMP. This notice of preparation is included in <br /> Appendix I. <br /> Table 10.2 Submittal Table 10-1 Retail: Notification to Cities and Counties <br /> Submittal Table 10-1 Retail: Notification to Cities and Counties <br /> Water Code Section 0610642 <br /> City/Agency Name 60 Day Notice Notice of Public Hearing <br /> Drop Down (yes/no) Drop Down(yes/no) <br /> City of Orange Yes Yes <br /> City of Garden Grove Yes Yes <br /> County Name 60 Day Notice Notice of Public Hearing <br /> Drop Down List Drop Down es/no Drop Down es/no <br /> Orange County Yes Yes <br /> NOTES: <br /> The City's water supply planning relates to the policies, rules, and regulations of its regional and local <br /> water providers. The City is dependent on imported water from the Metropolitan Water District of <br /> Southern California (MET), the regional wholesaler. The City is also dependent on groundwater from <br /> Orange County Water District (OCWD), the agency that manages the Orange County Basin and recycled <br /> water from the Green Acres Project. As such, the City involved the relevant agencies in this 2025 UWMP <br /> at various levels of contribution as described below. <br /> The City's 2025 UWMP leveraged data and regionally consistent analyses supplied by MWDOC, such as <br /> population projections from the California State University, Fullerton Center for Demographic Research, <br /> and the information quantifying water availability to meet the City's projected demands for the next <br /> 25 years, in 5-year increments.This 2025 UWMP was developed in conjunction with MET and MWDOC's <br /> 2025 UWMPs to ensure consistency between the documents. <br /> As a groundwater producer who relies on supplies from the OCWD-managed Orange County Basin,the <br /> City coordinated the preparation of this 2025 UWMP with OCWD. Several OCWD documents, such as the <br /> Groundwater Reliability Plan, Engineer's Report, and Basin 8-1 Alternative were used to retrieve the <br /> required relevant information, including the projections of the amount of groundwater the City is allowed <br /> to extract in the 25-year planning horizon. <br /> The various planning documents of the key agencies that were used to develop this UWMP are listed in <br /> Chapter 2.2.1. <br /> CITY OF SANTA ANA <br />