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<br />TEXAS <br /> <br />There are 64,700 square miles of Texas in the Rio Grande <br />Region. The Texas part of the region includes part of aggregated <br />Sub-Areas 1302 and all of Sub-Areas 1303 and 1305. The major <br />portion of Sub-Area 1302 is in New Mexico and only 10 percent <br />of the Area is in Texas. <br /> <br />The Rio Grande enters Texas at El Paso at elevation 3698. <br />Most of the Rio Grande flows are committed to use either in Texas <br />or Mexico,so for practical purposes there is little or no flow <br />available in the Rio Grande below El Paso. There are 93,000 <br />square miles of the Rio Grande drainage area in Mexico. The <br />waters of the Rio. Grande are allocated between Mexico and the <br />United States which is administered by the International Boundary <br />Commission. <br /> <br />The 1975 population of the Rio Grande Basin within Texas was <br />about 1,000,000. Approximately 90 percent of the population is <br />urban. El Paso, with a population of 400,000, is closely allied <br />to the economic activity in the New Mexico portion of ASA 1302. <br />Aggregated Sub-Area 1303, with a population of 85,000, is almost <br />entirely rural. The area is rugged and scenic. Big Bend National <br />Park with 1,100 square miles is an outstanding feature of this <br />area. The lower Rio Grande (ASA 1305) with a population of 511,000 <br />is a highly developed agricultural area with approximately 800,000 <br />acres of irrigated land. There are many thriving urban areas in <br />the Lower Rio Grande ASA which are centers for commercial fishing, <br />oil and gas production, and agri-business. Approximately 80 percent <br />of the ASA population is urban. <br /> <br />Texas has identified six problems in the Region that are of <br />concern to the State. 'Five "Group A" problems are so considered <br />because they are currently unresolved and are not being adequately <br />addressed by an ongoing or recently completed study and with no <br />timely actions by either Federal or non-Federal entities. <br /> <br />GROUP A PROBLEMS <br /> <br />Problem Area I, ASA 1303. Irrigation Water Supply and Quality Problems <br />in the Pecos Valley and Adjacent Areas. <br /> <br />Irrigated lands in the Trans-Pecos region of Texas are centered <br />largely along the Pecos River in Reeves, Pecos, Loving and Ward Counties. <br /> <br />.. ,~ ,., . " " <br />V~"_l. .t <br /> <br />55 <br />