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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 as from South Gila Valley. <br />AZ 61 Details on Arizona Supplemental 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 as 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 />.0 <br />C. <br />\-.. <br />W <br />c.n <br />CO <br /> <br />Diversion at Imperial Dam AI 46274 <br />PlJlPed from wells 878 <br />Surface returns from South Gila Valley (S.Gila Canal Wasteway) 119 * <br />Return flow North Gila Valley (6 draIns & wasteways) 1543 <br />Return flow South Gila Valley wells (DPOC's) 7413 <br />Return flow Yuma Mesa Outlet Drain BI 3842 * <br />Return flow protective and regulatory pul1:ling unit CI 5106 * <br />Esitmated unmeasur~ groundwater return flow 01 4973 <br />Subtotal return flow. EI 22996 22995 check <br />Consumptive Use (see: note above) 24156 <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 Yuma Mesa Outlet Drain with balance credited to 'Unit B'. <br />(e) Estimated at 85 percent of Protective and Regulatory Pumping Unit with balance credited to 'Unit B'. <br />(0) Estimated at 38 percent of the North Gila Valley ~iversion 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 Jndian <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 pul1:ling 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 />. <br /> <br />Least <br /> <br />. <br />