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O')1f18 ~....1,..:- RESULTS OF STUDIES 31 process a water supply equivalent to that which occurred during the study period, it being assumed that the water requirement equaled the average water supply, This is an entirely hypotheti- cal study without respect to time except insofar as the chrono- logical sequence of water yeers were concerned, the water re- quirements being assumed to be static and to be equol to the overage annual water supply for the 26-year period covered by the study. The years begin with Yeer 1 and end with Year 26. It moy be noted that the reservoirs would be full at the time the period was entered. They would be drawn down rapidly and become empty in the 7th year, They would then regain some water and agoin be practically depleted in the 13th year, and again in the 18th year. After that, they would rapidly fill and spill slightly in the 24th and 25th years. The same sequence then would follow for another 25-year period, From the information available at the present time it is estimated that the 508,700 acre-feet of storage indicated above would be about right ta equate and make fully usable under future conditions the water supplies that will be available to Denver after the works under construction have been completed, assuming such a period as 1931 through 1954, However no re- serve would be available, and requirements beyond those which could be met by a water supply that would occur during such a period as 1931- 1954 must be taken care of by additional raw water supplies to be developed in the future. To process and make fully available such supplies, and to provide desirable reserves, will necessitate the provision of additional storage capacity. Two Forks Reservoir Until such time as the Denver requirements will require all of the water that can be made available to Denver from all sources after the current program is completed, surplus Blue River