Item 27 - Water Supply Assessment for Cabrillo Town Center Project

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Cabrillo Town Center WATER SUPPLY ASSESSMENT FEBRUARY 13, 2023 27 The City closely monitors development throughout the City to ensure water supplies will meet growing demand. The City’s 2020 UWMP reports that there were no current City-specific planned projects that had both concrete timeline and a quantifiable increase in supply. There were various projects planned though to maintain and improve the water system. Listed below are some of those projects: · City Initiatives o New Well Construction o Major Well Rehabilitation · Regional Initiatives o Poseidon Huntington Beach Ocean Desalination Project o Doheny Ocean Desalination Project o San Juan Watershed Project o South Orange County Emergency Interconnection Expansion o SARCCUP The findings of the Metropolitan 2020 UWMP and the City of Santa Ana 2020 UWMP confirm that the City of Santa Ana will be able to supply water to growing demands within its service area which satisfies the requirements of SB 610. 5. Conclusion The City of Santa Ana depends on local and regional water supplies from OCWD and metropolitan to satisfy growing demands. OCWD has managed the OC Basin for over 75 years and has plans to sustainably mange the groundwater system through 2045 under the new California SGMA policies and guidelines. Metropolitan has stated in its 2020 UWMP that its water supply portfolio will be able to satisfy regional growth and water demands through 2045. The same findings were concluded in the City of Santa Ana 2020 UWMP as both Metropolitan and OCWD supplies are projected to meet future water demands. With the combination of local conservation, regional drought management regulations, and the City projection of small population increase, the 2020 City UWMP projected that water demands would increase 1.2 percent by 2025 and decrease slightly by 0.2 percent from 2025 through 2045. The 2020 UWMP incorporated regional growth projections and as reported there were no City- specific planned projects that had both concrete timeline and a quantifiable increase in supply. With various local and regional water demand regulations and the City UWMP projecting water demand to be stable from 2025 through 2045, this WSA can conclude adequate supplies are available. Using projected demands per the 2020 UWMP, demand is projected to increase 0.3 percent after completion of the Project. The 0.3 percent increase in demand is well within the City’s estimated percentage increase of 1.2 by 2025. The City of Santa Ana can provide form demands of the proposed Project as well as other service area demands within the City of Santa Ana.