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• 12 <br /> that there is more than enough water physically available to meet the year 2030 <br /> condition for municipal, industrial, and irrigation demands. <br /> The critical period in the analysis was from July 1952 through October 1956. <br /> During the critical period, the average annual diversion and release from Navajo <br /> Reservoir was 506,000 acre-feet for municipal, industrial, and irrigation <br /> demands. This left 524,600 acre-feet in the conservation pool at the end of the <br /> critical period (4 years-4 months). Therefore, the San Juan River, through <br /> regulation provided by Navajo Reservoir, has the capability to meet the pro- <br /> jected Gallup-Navajo water demands. <br /> C. Conclusions <br /> Based on the historical period of record (1906-1978), the CRSS natural flows, <br /> • and hydrologic analysis, it appears that 5.8 MAY is a conservative estimate of <br /> the allowable limit of Upper Colorado River Basin depletions and there is no <br /> evidence to indicate that the 5.8 MAY figure should be changed. Colorado River <br /> operation studies based on use of existing up-to-date hydrologic data and analy- <br /> sis, coupled with the estimated future Upper Basin depletions through the year <br /> 2039 indicate that with the available storage afforded by the Colorado River <br /> Storage Project, the Upper Basin could meet its obligation for water delivery at <br /> Lee Ferry and still readily accommodate the projected 69,000 acre-feet depletion <br /> for municipal and industrial uses in New Mexico. <br /> IV. Current and Proposed Uses of San Juan River Water <br /> The following quantities of San Juan River water are presently being used, or <br /> have been tentatively projected to future use, in the State of New Mexico: <br />