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<br />annual depletion figure on the project is not yet firm project operating cri-
<br />
<br />teria.
<br />
<br />Various estimates for project agricultural use depletions have been pre-
<br />
<br />pared, including the studies for an all-sprinkler irrigation system prepared by
<br />
<br />the Southwest Region. This study estimated agricultural consumptive use'of
<br />
<br />226,000 acre-feet. Several other estimates have been made, a 5 year field study
<br />
<br />to determine actual consumptive use on the project was begun in 1978, and a
<br />
<br />draft report completed in July 1983. Recent technical estUnate. reported in a
<br />
<br />.
<br />Depertment of the Interior May 1980 report to OMB, are 254,000 acre-feet for
<br />
<br />agricultural depletions. In November 1981, it was concluded and agreed by
<br />
<br />Interior's Assistant Secretary Land and Water Resources and Assistant Secretary
<br />
<br />- Indian Affairs that the project's productive acreage sbould be 110,630 acres,
<br />
<br />ratber than tbe 105,000 acres which bad been assumed in tbe past.
<br />
<br />Correspondingly, tbe aDnual depletion estimate bas been revised from 254,000
<br />
<br />acre-feet to 267,000 acre-feet. Tbe depletion figure of 267,000 acre-feet is an
<br />
<br />estimate tbat will be evaluated for technical accuracy.
<br />
<br />Jicarilla Apacbe Indian ~
<br />
<br />The Southwest Region bas completed an appraisal study for putting to beneficial
<br />
<br />
<br />consumptive use up to 26,000 acre-feet of water per year on the Jicarilla Apache
<br />
<br />Indian Reservation. The study was made under a Memorandum of Understanding
<br />
<br />between tbe Bureau of Reclamation and the Bureau of Indian Affairs, in response
<br />
<br />to a request from the New Mexico Interstate Stream Commission that the Secretary
<br />
<br />of the Interior reserve 26,000 acre-feet of water from the San Juan River System
<br />
<br />for luch use, if found to be economically feasible. Studies to date under pre-
<br />
<br />sent guidelines indicate that only up to 3,000 acre-feet consumptive use of
<br />
<br />water per year could be justified for M&I use at Dulce, New Mexico. It should
<br />
<br />be noted that the Jicarilla Tribe is not in agreement with Bureau of Reclamation
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