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<br />I!: ,.' <br /> <br />,-::;:, <br />') Footnotes to Supply and Use of Colorado R1ver Water Tabulation <br />W <br />.- <br />eX) <br />~ Delivervto Lower Basin of 8.250.000 Acre Feet <br /> <br />'. , <br /> <br />Article XII (d) of the Colorado River' Compact provides for a <br />delivery ,to the Lower Basin of 75,OOO,OOO'acrc-fcet in each <br />consecutive 10-year period, and article III (c) of the compact <br />imposes tihe possible requirement of one-half the 1,500,000 <br />acre-feet delivery to the United States of Mexico amounting to <br />750,,000 ~cre-feet. ' <br /> <br />Z;' Useable Virqin flow of Colorado River at Lee Ferry <br /> <br />Resul ts o.f the Tipton and Kalmbach studies, published in their <br />report, ,jater' Suppl iell of the. Colorado River, dated July 1965, <br />show that! for either period of record used, 1921-1964 or 1903- <br />1964, reservoir storage capacity of 29 million acre-feet, which <br />is under construction as a part of the Colorado River Storage <br />'. , ' <br />Project, is capable of regulating the virgintflow of the River <br />. <br />at Lee Fe~ry to make available a gross supply of 13,850,000 <br />acre-feet' for use each year of the period of study. Evaporation <br />from thes~ reservoirs must be deducted from the gross supply. <br /> <br />11 Colorado'~ share of supply avail~ble to Upper Basin <br /> <br />Colorado'~ share under the Upper Colorado River Basin Compact <br />is 5l.75%lof the water available to the Upper Basin after <br />deliverY9f 50,000 acre~feet to Arizona. <br /> <br />~ Present u~es of Colorado River water in Colorado: <br /> <br />The total,of 1,726,000 acre-feet includes Denver's present use <br />of 65,000jacre-feet per year of Moffat Tunnel water and 10,000 <br />acre-feetjper year from the Williams Fork Collection System. <br />Diversionlof 260,000 acre-feet per year by the Colorado-Big <br />Thompson is also included. Denver's present use of 45,000'acre- <br />feet per year from the Blue River and Colorado Springs' present <br />use of 15;000 acre-feet 'per year from the Blue River are not <br />included in the total. (Basic data from Colorado Water Conser- <br />vation Bo~rd Tabulation dated Sep~ember 14, 1965) <br /> <br />-~ <br />