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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> 6.10.1.1 Operational Control and Reporting Period <br /> As described throughout the report, the City is a retail agency that relies on groundwater and imported <br /> water.Water supply energy intensity was calculated for the 2024-2025 fiscal year. Calendar year is a <br /> standard for energy and GHG reporting to the Climate Registry, California Air Resources Board, and the <br /> United States Environmental Protection Agency. Calendar year reporting provides consistency when <br /> assessing direct and indirect energy consumption within a larger geographical context, as fiscal year <br /> starting dates can vary between utilities and organizations. However, the water use volumes presented in <br /> Table 6-1 are for FY 25, which aligns with the available energy data for each of the City's water supply <br /> processes. <br /> 6.10.1.2 Volume of Water Entering Processes <br /> According to the MWDOC Compiled Water Audits,the City extracted 28,615 AF of groundwater from the <br /> OC Basin and distributed 31,141 AF of both groundwater and imported water.Water volume is based on <br /> water audit data.The Extracted volume is based on the "Volume from Own Sources" data point while <br /> water deliveries are based on "Authorized Consumption." This calculation excludes water losses so that <br /> the final energy intensity is based on the water that is actually delivered to customers. <br /> 6.10.1.3 Energy Consumption and Generation <br /> According to Southern California Edison electricity bills, groundwater wells consumed 9,774,630 kWh of <br /> electricity, imported water conveyance consumed 1,918 kWh of electricity, and distribution system <br /> pumping consumed 7,698,988 kWh of electricity. Currently, the City does not generate renewable energy. <br /> Energy consumption is based on metered data. <br /> 6.10.2 Wastewater and Recycled Water Energy Intensity <br /> In FY 2025, the City consumed 3.3 kWh per AF for wastewater services (Table 6.15). The basis for <br /> calculations is provided in more detail in the following subsections. <br /> CITY OF SANTA ANA <br />