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<br />750,000 acre-feet annually toward Mexican Treaty deliveries. This would require
<br />
<br />an average annual water delivery at Lee Ferry of 8.25 KAF acre-feet. Thia
<br />
<br />assumption is not to be considered as an interpretation of the Upper Basin obli-
<br />
<br />gation for water delivery at Lee Ferry under the Colorado River Compact. It
<br />
<br />represents, rather, a practical and conservative approach for the pnrposes of
<br />
<br />the present determination required by section ll(a), P. L. 87-483.
<br />
<br />Throughout the hydrologic investigation and as demonstrated in the attached
<br />
<br />tables, present Colorado River Storage Project (CRSP) operating policy along
<br />
<br />with required Upper Basin water deliveries combine to form the underlying
<br />
<br />assumptions that are integral to a hydrologic determination of water availabi-
<br />
<br />lity from Navajo Reservoir and the Upper Colorado River Basin for uae in New
<br />
<br />Mexico.
<br />
<br />An estimate of projected water depletions for Bureau of Reclamation projects,
<br />
<br />together with non-Federal projects indicates that total depletions in the Upper
<br />
<br />Basin will not reach 5.8 KAF until some time after year 2030 and very likely not
<br />
<br />until 2040. The table of "Projected Water Supply and Depletions, Upper Colorado
<br />
<br />River Basin" dated August 1982, which is appended to this memorandum sbows the
<br />
<br />projected tLaing for development of the water apportioned to each of the Upper
<br />
<br />Basin States within this 5.8 KAF limit: Arizona, 50,000 acre-feet; Colorado,
<br />
<br />2,976,000 acre-feet; New Mexico, 647,000 acre-feet; Utab 1,322,000 acre-feet;
<br />
<br />Wyoming, 805,000 acre-feet. The Upper Basin States have reviewed this table and
<br />
<br />although tbey do not necessarily agree, they have chosen not to object. The
<br />
<br />State of Wyoming has said that they reserve the right to submit a formal objec-
<br />
<br />tiOD.
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