55B - RESO - CIVIC CENTER WATER SUPPLY

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CITY OF SANTA ANA CIVIC CENTER FACILITIES STRATEGIC PLAN WATER SUPPLY ASSESSMENT WATER SOURCES AND SUPPLY RELIABILI'T'Y The City relies on a combination of imported water, local groundwater, and recycled water to meet its water needs. The City works together with two primary agencies, Metropolitan Water District and OCWD to ensure a safe and reliable water supply that will continue to serve the community in periods of drought and shortage. The sources of imported water supplies include water from the Colorado River and the SWP provided by Metropolitan. The City's main source of water supply is groundwater from the OC Basin. Imported water and recycled water make up the rest of the City's water supply portfolio. Currently, the City relies on approximately 71 percent groundwater, 28 percent imported water, and 1 percent recycled water. The City's water supply portfolio is expected to change slightly to 70 percent groundwater, 29 percent imported water, and 0.7 percent recycled water by the year 2040. The sources of imported water supply include the Colorado River and the SWP. The City's projected water supply portfolio is shown on Figure 2 Figure 2: Water Supply Sources in the City (AF) Section 3 of the UWMP provides a detailed discussion of the City's water sources as well as the future water supply portfolio for the next 25 years. Additionally, the City's projected supply and demand under various hydrological conditions are compared to determine the City's supply reliability for the 25 year planning horizon. Imported Water The City supplements its water supply with imported water purchased from Metropolitan Water District of Southern California (MWD). Included within Appendix A is a copy of the City of Santa Ana's Purchase Order for system water to be provided by MWD for the next 10 years. IN M