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<br /> <br />United States I)epartment of the Interior <br /> <br />BCOO-4222 <br />WTR-4.10 <br /> <br />BUREAU OF RECL-\!vL-\TION <br />Lower Colorado Regional Office <br />P.O. Box 61470 <br />Boul~(Jt~1' 'BBtr1470 <br /> <br />REceIVED <br />AUG 03 2000 <br />CoI018do Water ConselValion 8 <br />Dam <br /> <br />IN REPLY REFER TO; <br /> <br />To: All Interested Persons <br /> <br />Subject: Compilation of Records in Accordance with Article V of the Decree <br />of the Supreme Court of the United States in Arizona v. California <br />Dated March 9, 1964 <br /> <br />Enclosed is the compilation of records for calendar year 1999 for the <br />mainstream of the Colorado River downstream from Lees Ferry, including the <br />reservoirs thereon and deliveries to Mexico. These records are prepared in <br />accordance with articles V, V(A), V(B). V(C). V(D). and V(E) of the decree of <br />the Supreme Court of the United States in Arizona v. Ca7ifornia. dated <br />March 9. 1964, as supplemented or amended. <br /> <br />Detailed compilations and original records furnished by water users, the <br />Geological Survey. our area offices, and other appropriate entities. as well <br />as quantity computations and documented methodologies are available for <br />inspection by interested persons during normal office hours at the Boulder <br />Canyon Operations Office in Boulder City. Nevada. Based upon requests. <br />duplicate copies of these records may be made available for inspection at <br />additional locations convenient to interested persons. <br /> <br />We note that the records for 1999 show that the lower Colorado River basin's <br />basic apportionment of 7.5 million acre-feet (maf) was exceeded. Our records <br />i ndi cate the water use in the 1 mver basi n in 1999 to be about 7.98 maf. Under <br />normal operating criteria, the article V records would be used to determine. <br />among other things, if individual users of Colorado River water have exceeded <br />their entitlement. In such cases the records would serve as the basis for <br />rE~qui ri ng reducti ons in water use. Accordi ng to the Secretary of the <br />Interior's December 2. 1998. cover letter for the Annual Operating Plan for <br />Colorado River Reservoirs 1999 ". . . the surplus condition is the criterion <br />governing the operation of Lake Mead for the calendar year 1999." This <br />condition warrants the delivery of mainstream Colorado River water in excess <br />of the 7.5 maf basic apportionment to users in the Lower Division States <br />pursuant to valid contracts or entitlements. <br />