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.~ , . N (.;~ CJ1 (Xl COLORADO WATER CONSERVATION BOARD 215 state services Building 1525 Sherman Street Denver 3, Colorado January 12, 1962 INFORMATION BULLETIN NO. 18 1. Remarks by A. B. West before Board of Directors of Colorad.9, Water Users Association in Las Vegas, Nevada - Januarv 5, 1962. "Colorado River Operations in Lower Basin Lake Mead and Hoover Dam are operated pursuant to provisions of the Boulder Canyon Project Act, which states that Hoover Dam and the reservoir which it creates shall be used for the following purposes, and I quote part of Section 6: 'First, fbr river regulation, improvement of navigation, and flood controlr second, for irrigation and domestic uses and satisfaction of present perfected rights . . .; and third, for power I . That Act and the power and water contracts written under itspro- visions and other Reclamation Acts are the instruments which outline the operating procedures under which The Bureau of Reclamation, under the Secretary of the Interior, operates Hoover Dam and the other Colorado River structures downstream from Hoover Dam. It is encumbent upon me as representative of the secretary to hold my staff responsible for estimating, to the closest prac- tical extent, the inflow to Lake Mead and to determine how much water can be safely released during the operating year. The collection of data for these estimates must begin immed- iately after the start of the water year on October 1 and by January we are required to be safe in a prediction as to whether or not the Mexican Government can be permitted to schedule be- yond the Iilasic 1.5 maf set forth in the Treaty of 1944. As reports of snow and rainfall continue to be received the expected seasonal flow in the river above Lake Mead can be gradually predicted more accurately. By June of the year our estimates of inflow are generally quite firm and we are then {> '0; ,..; ; ;,i,; < f; ,'~