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<br />AZ 41 Calculated using monthly power records. <br />AZ 51 Pumped from underground and credited as return flow to Yuma Mesa Division but unassigned to disticts as returns. <br />AZ Includes quantities of drainage from Yuma Mesa, Unit B, as well 8S from South Gila Valley. <br />AZ 61 Details on Arizona Supplemen~al Sheets. <br />AZ 71 Summation for the Yuma Mesa Division, consisting of the North Gila Valley Irrigation District, the Yuma Irrigation District, and the Yuma Mesa <br />AZ Irrigation & Drainage District is 8S follows: <br />AZ Item <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br />AZ <br /> <br />Annual Totals (Acre-Feet) <br /> <br />DiversIon at I",,"rlal Dam AI 27147 <br />p~ from wells 560 <br />Surface returns from South Gila Valley (S.Gila Canal Wasteway) 79 . <br />Return flow North Gila Valley (6 drains & wasteways) 1077 <br />Return flow South Gila Valley wells (DPOC's) 4923 <br />Return flow YUllO Mesa Outlet Drain 81 2635 . <br />Return flow protective and regulatory pumping unit CI 3258 * <br />Esitmated unmeasured 8roundwater return flow DI 3159 <br />Subtotal return flow EI 15131 15131 check <br />Cons~tive Use (see note above) 12576 <br />(A) Total for the North Gila Valley, The Yuma Irrigation and the Yuma Mesa Irrigation and Drainage Districts, and 'Unit B'. <br />(B) Estimated at 85 percent of the VUllO Mesa Outlet Orain wIth balance credIted to 'Unit g'. <br />(C) Estimated at 85 percent of Protective and Regulatory Pumping Unit with balance credited to 'Unit B'. <br />(D) Estimated at 38 percent of the North Gila Valley Diversion at Imperial Dam plus 14 percent of Yuma Irrigation District diversion at <br />Imperial Dam. <br />(E) Addtional unmeasured amounts of return flows from the Yuma Mesa Irrigation and Drainage District, 'Unit B', the Cocopah Indian <br />Reservation, and the Yuma County Water Users Association (YCWUA) are utilized to meet consumptive uses in the United States and in <br />partial satisfaction of the Mexican Treaty obligation. Some of thes underground flows are recovered by pumping from wells on the <br />Cocopah Indian Reservation and in the YCWUA area, and by some of the surface drains in the YCWUA area. Efforts will be made to at <br />quantify these return flows within broad limits by respective water user entities in future years. <br /> <br />o <br /><:::;> <br />I-' <br />W <br />..... <br />tv <br /> <br />least <br />