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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />NAVAJO UNIT, COLORADO RIVER STORAGE PROJECT <br /> <br />COLORADO AND NEV MEXICO <br /> <br />LOCATION <br /> <br />The Navajo Unit of the Colorado River Storage Project (CRSP) is located in <br />southwestern Colorado and northwestern New Mexico, approximately 39 miles east <br />of Farmington, New Mexico. <br /> <br />PURPOSE <br /> <br />The Navajo Unit (CRSP) forms one of the key storage units of the Colorado River <br />Storage Project. The unit, along with the other units of CRSP, provides the <br />regulation necessary to ensure the delivery of allocated water supplies to the <br />Lower Basin States, thus providing for development and beneficial use of <br />Colorado River waters in the Upper Basin States. Navajo Reservoir also provides <br />irrigation storage for the Navajo Indian Irrigation Project (NIIP) and, when <br />necessary, for the Hammond Project, New Mexico, <br /> <br />PLAN <br /> <br />Navajo Dam is the principal feature of the Navajo Unit. The dam is a <br />three-zoned, rolled earthfill structure with a height of 402 feet and a crest <br />length of 3,648 feet. The main outlet works for controlling releases for <br />downstream water requirements are located in the right abutment. These works <br />consist of a 280-foot-high concrete tower intake structure, concrete-lined <br />tunnel with a gate structure and shaft for a fixed-wheel gate, access tunnels <br />and shaft, a steel outlet pipe, a valve house and hollow-jet valves, and a <br />stilling basin. The auxiliary outlet works, consisting of a concrete-lined <br />tunnel with gate chamber for two gates are also located in the right abutment. <br />Vater from the outlet works flows into the outlet works and spillway stilling <br />basins. <br /> <br />AUTHORIZATION AND CONSTRUCTION <br /> <br />The Colorado River Storage Project Act (Public Law 485), of April 11, 1956, <br />authorized Navajo Dam and Reservoir as one of the main storage units of CRSP. <br />The Bureau of Reclamation began constructing the dam in July, 1958, and it was <br />dedicated on September 15, 1962. <br /> <br />OPERATING AGENCY <br /> <br />The Bureau of Reclamation operates Navajo Dam and Reservoir as part of CRSP. <br />The State of Colorado operates the land and recreation area in Colorado, and the <br />State of New Mexico operates the land and, as of May 1986, three recreation <br />areas in New Mexico. <br />