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<br />Appendix A <br /> <br />delivery of 60,000 af to Mexico under the U.S.-Mexican Water Treaty of 1906 <br />and to assure annual delivery of about 600,000 af/yr for the irrigation of <br />160,000 acres downstream in the Elephant Butte Irrigation District (EBID) <br />and in El Paso County Water Improvement District No.1 (EPCWID). <br />Furthermore, Hudspeth County Conservation and Reclamation District <br />(HCCRD), located south ofEl Paso, purchases excess water and return flows <br />related to the Rio Grande Project through arrangements with the BuRec. <br />Water deliveries to EBID are diverted by Percha, Leasburg, and Mesilla <br />Diversion Dams. <br /> <br />Elephant Butte Dam and its reservoir also support a wide array of <br />, recreational activities. Annual visits to Elephant Butte State Park exceed a <br />million persons, with highest visitor days taking place on Memorial and <br />Labor Day Weekends. The reservoir supports fishing, boating, skiing, <br />camping, and swimming activities. <br /> <br />Caballo Reservoir <br /> <br />Caballo Reservoir, located 25 miles downstream of Elephant Butte Dam, was <br />completed in 1938 by the BuRec. Approximately two-thirds (231,000) of the <br />331,000 af of Caballo's storage is dedicated to capturing water released from <br />Elephant Butte during winter power generation. These flows are released <br />from the reservoir as downstream farmers make water delivery requests <br />during the irrigation season. The remaining 100,000 af of storage are kept <br />idle to guarantee capacity for flood waters. <br /> <br />:.<: <br />" <br /> <br />,- <br /> <br />Caballo Reservoir supports similar recreational activities to those found at <br />Elephant Butte Reservoir. Annual visits to Caballo in 1993 exceeded <br />300,000 persons, with the highest visitation rates occurring during July and <br />August. <br /> <br />,;: <br /> <br />Low-Flow Conveyance Channel <br /> <br />The low-flow conveyance channel (LFCC) was designed and built to minimize <br />seepage and evaporation losses in the main channel of the river below San <br />Acacia diversion dam during low-flow periods (U.S. Department of the <br />Interior 1994). The BuRec built the LFCC in the 1950s, when the river <br />channel was closed in four places by the intrusion of vegetation and a <br />prolonged drought that had left little water in Elephant Butte. The LFCC <br />reduced water losses by speeding the flow of water from San Acacia to <br /> <br />( <br />l' <br /> <br />A-4 <br /> <br />f'C3C40 <br /> <br />t <br />~ <br />