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<br />! ' <br /> <br />Physical Structures That Control the Upper Rio Grande <br /> <br />~{: <br /> <br />~>!.j <br /> <br />of water for the irrigation of 8,847 acres of Pueblo lands. Pueblo water is <br />released when Rio Grande flows from other sources cannot sufficiently <br />support irrigable acreage for each of the six pueblos. <br /> <br />" <br />~';~ <br /> <br />MRGCD and the City of Albuquerque, in an effort to support the recreational <br />activities of the state, have recently began to time the releases of their Rio <br />Chama water to coincide with peak seasonal demands of weekend rafters <br />and boaters along the same river. <br /> <br />, <br />",' <br /> <br />~ <br /> <br />Abiquiu Reservoir <br /> <br />, <br /> <br />Located on the Rio Chama, the facility was authorized under the 1948 Flood <br />Control Act. Construction was financed and completed in 1963 by the CoE, <br />which retains primary control ofthe facility. The dam is used to control high <br />spring flows that potentially cause flood damage along the Rio Chama and <br />further down the Rio Grande. Releases of stored waters are made as soon as <br />possible, taking into account the capacity of downstream channels and the <br />demands of irrigators in the MRGCD. Of the 1.2 million af of storage <br />capacity, 500,000 af are used to store and control flood waters and 500,000 af <br />are designated for "structural protection" and remain idle. In 1981, Congress <br />authorized the remaining 200,000 afto be used as storage for San <br />Juan-Chama waters. The majority of this storage and these waters are used <br />by the City of Albuquerque, with much smaller portions consumed by the <br />Cities of Santa Fe and Taos, as well as the Department of Energy and other <br />San Juan-Chama contractors. <br /> <br />.:~, <br />~; <br /> <br />~~ <br /> <br />':.- <br /> <br />:~: <br /> <br />" <br /> <br /><" <br /> <br />f: <br /> <br />~ <br /> <br />((.3~43 <br /> <br />A-7 <br />