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<br />~---.- <br />':::~~.~:-:' '" <br /> <br />I <br />III <br />I <br />I <br />I <br />,.. <br /> <br />:-if~:':' - <br /> <br />Operating rules for Navajo Dam were developed in cooperation with the Bureau of Reclamation to <br />demonstrate how the dam may be operated to meet the flow recommendations. These suggested <br />rules determine the timing and size of release flows to maximize the ability of the river to meet the <br />flow recommendations. Releases to produce a peak spring flow are not made every year because <br />saving water, (I) for human use, and (2) to make a larger peak in a future year, is incorporated into <br />the rules. The flow recommendations, and use of the operating rules, will provide flows in the San <br />Juan River that will promote the recovery of the two endangered fish species. As presently <br />configured, the flow recommendations may also allow for a significant amount of future water <br />development in the basin. <br /> <br />, <br />I <br />r <br /> <br />This report addresses the science of the development of flow recommendations for the San Juan <br />River. It does not address the impact of the recommended flows on the holders of water rights in <br />the San Juan River Basin. Legal and management factors to be considered by the U.S. Fish and <br />Wildlife Service and affected parties will determine which holders of water rights will be affected <br />by these flow recommendations. The SJRIP recognizes that the flow criteria and operating rules <br />discussed herein are only recommendations that are subject to further refinement through the SJRIP <br />adaptive management process and pursuant to the National Environmental Policy Act. <br /> <br />. <br /> <br />I <br />, <br />I <br />I <br />I <br />~ <br />. <br />" <br /> <br />W <br />I <br />I <br />Ij <br /> <br />. <br /> <br />.' <br /> <br />SJRIP Biology Committee <br />May 1999 <br /> <br />8-9 <br /> <br />Executive Summary <br />Flow Report <br /> <br />. <br />....' . <br />