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4'" AND CABRILLO <br />WATER SUPPLY ASSESSMENT <br />3. REGIONAL WATER SUPPLIES AND DEMANDS <br />3.1 CITY WATER SUPPLIES <br />AUGUST 21, 2020 <br />The City's water supply comes from a combination of imported water, local groundwater and <br />recycled water to satisfy water demands. The City purchases these water supplies from <br />Metropolitan Water District of Southern California (Metropolitan) and the Orange County Water <br />District (OCWD). The City is a member agency of Metropolitan and receives imported water <br />from the State Water Project and the Colorado River under agreements with Metropolitan. <br />OCWD manages the Orange County Groundwater Basin ("OC Basin" or "Basin") and provides <br />groundwater resources to the City. <br />The City maintains 444 miles of transmission and distribution mains, nine reservoirs with a <br />storage capacity of 49.3 million gallons, seven pumping stations, 20 wells, and seven imported <br />water connections. The seven imported water connections to the Metropolitan System are <br />described in Table 3 below. <br />Table 3 City of Santa Ana Connections to Metropolitan Facilities <br />MWD Connection <br />Name of Connection <br />Normal Operating <br />Capacity MGD <br />Design Capacity <br />MGD <br />SA-1 <br />Bristol <br />5.17 <br />6.46 <br />SA-2 <br />First <br />5.17 <br />9.69 <br />SA-3 <br />McFadden <br />5.17 <br />6.46 <br />SA-4 <br />Warner <br />4.85 <br />6.46 <br />SA-5 <br />Alton <br />4.85 <br />12.93 <br />SA-6 <br />Santa Clara <br />7.76 <br />12.93 <br />SA-7 <br />Red Hill <br />1 4.85 <br />32.31 <br />From 2005-2015, Metropolitan delivered between 3,000 AF or 2.6 MGD (2015, lowest <br />delivery) to 13,000 AF or 11.6 MGD (2005, highest delivery) to the City.' The design capacity <br />of the Metropolitan connections is more than adequate to deliver imported to the City as shown <br />in the table above. <br />The City's Water Utility provides water service within a 27-square mile service area. The service <br />area includes the City of Santa Ana and a small neighborhood in the City of Orange, near <br />Tustin Avenue and Fairhaven by the northeast corner of Santa Ana. See Table 4 which shows <br />the City's recent water supply to satisfy demands from 2015. <br />2 2015 Metropolitan UWMP. <br />FuscOE ENGINEERING, INC. 12 <br />