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<br />INTRODUCTION <br />In compliance with separate contracts, dated April I, 1968, <br />with Mr. James D. Geissinger, Attorney at Law, the firms of W. W. <br />Wheeler and Associates and Woodward-Clyde & Associates submit the <br />following summary report, conclusions and recommendations relating to <br />their Investigations and analyses of the water supply of the Arkansas <br />River Valley of Colorado in accordance with the directions contained <br />In Senate Bill No. 407 of the 46th General Assembly. The report <br />concludes an investigation originally contracted on August I, 1967, <br />through the Coordinator of Natural Resources. <br />Senate Bill No. 407 directed the Coordinator of Natural Resources <br />"to Investigate the relationships In the areas where Inter-mingled <br />surface and ground water are commonly used in conjunction with each other <br />on the same lands, or land Immediately adjoining, for the same purpose of <br />Irrigation; to determine the need for and content of legislation that <br />would provide Integrated administration of all diversions and uses of <br />water within the State, protect all vested water rights, conserve water <br />resources for maximum beneficial use, and permit full utilization of <br />all waters of the State;...." <br />Duplication of efforts between the firms of WOOdward-Clyde & <br />Associates and W. W. Wheeler and Associates was avoided by coordination <br />and definition of responsibility. Woodward-Clyde & Associates determined <br />average annual water consumptive use and headgate water requirements <br />for the canals downstream from Pueblo to the state line. The potential <br />water available from the ground water reservoir was also evaluated. <br />W. W. Wheeler and Associates analyzed (I) historic diversions by the <br />various ditches from Pueblo to the State line, (2) ditch diversions as <br />reflected by the supply at Canon City, (3) flows at Canon City vs state <br />line flow, (4) water quality variations and other phases of water supply. <br />The problem of Integrating the use of surface and ground water to <br />obtain the maximum benefit of the basin water resource requires computer <br />analyses and detailed mathematical computations. Integration must pro- <br />vlde_ for the planned utilization of the ground water and surface water. <br /> <br /> <br />001219 <br />