Laserfiche WebLink
<br />AZ Return flow South Gila Valley wells (DPOC's) 10275 <br />AZ Return flow Yuma Mesa Outlet Drain SI 4259 * <br />AZ Return flow protective and regulatory pumping unit CI 441 * <br />AZ Estimated unmeasured groundwater return flow 01 2158 <br />AZ Return flow share of Gila Main Canal loss EI 1415 * <br />AZ Subtotal return fLow FI 19807 19807 check from above <br />AZ Consumptive Use (see note above) 3187 3187 check from above <br />AZ (A) TotaL for the North Gila VaLLey, The Yuna Irrigation and the Yuma Mesa Irrigation and Drainage Districts, and 'Unit BI. <br />AZ (B) Estimated at 85 percent of the Yuma Mesa OutLet Drain with baLance credited to IUnit S'. <br />AZ (C) Estimated at 85 percent of Protective and Regulatory Pumping Unit with balance credited to 'Unit 81. <br />AZ (D) Estimated at 38 percent of the North Gila Valley Diversion at Imperial Dam pLus 14 percent of Yuna Irrigation District diversion at <br />AZ Imperial Dam. (Based on anaLysis of the USGS Report 83-4220 entitled fA Method for Estimating Ground-~ater Return Flow to the <br />AZ Lower Colorado River in the Yuma Areal) <br />AZ (E) Diversion*miLage weighted share of Gila Main Canal loss Less canal surface evaporation (1397 af/yr) and phreatophytes (2154 af/yr). <br />AZ (F) Additional unmeasured amounts of return flows from the Yuma Mesa Irrigation and Drainage District, 'Unit B'. the Cocopah Indian <br />AZ Reservation, and the Yuma County Water Users Association (YCWUA) are utilized to meet consumptive uses in the United States and in <br />AZ partial satisfaction of the Mexican Treaty obligation. Some of thes underground fLows are recovered by pumping from wells on the <br />AZ Cocopah Indian Reservation and in the YCWUA area, and by some of the surface drai,ns in the YCWA area. Efforts will be made to at least <br />AZ quantify these return flows within broad limits by respective water user entities in future years. <br />AZ 81 Diversion adjusted for delivery to Mohave Valley I. D. D. (Chesney). <br />AZ 91 Main OutLet Drain return fLow credit is measured flow at Station 0+00 and includes both Colorado River and Gila River water. Reclamation <br />AZ is working to develop a method to separate the different sources of return fLow and wiLL apply that methodology when available. <br /> <br />o <br />o <br />N <br />0) <br />-.:J <br />(,,0 <br />