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Show A50 APPENDIX 206 Question 9. I would like to have the same information as to the projects in California on the Colorado River above the Laguna Dam. Answer 9. Senate Document No. 142 gives the following figures: Irrigated, 1920 New acreage Total Mojave Valley------------------------------------- Chemehuevis Valley___________________ Palo Verde Valley_____________________ Palo Verde Mesa and Chuckawalla Valley-Total________________________ Acres 35,000 Acres 1,000 2,300 43, 000 62, 000 Acres 1,000 2, 3C0 78, 0C0 62,000 35, 000 108, 300 143, 300 Question 10. Is it true that, if the Colorado River compact is adopted, all of the water that Arizona will ever get out of the main river will be enough to irrigate only 280,000 acres of land, of which 130,000 acres are now embraced in the Yuma project and 110,000 acres in the Parker project? Answer 10. The Colorado River compact does not attempt to divide the water of the river between individual States. Except for rights already initiated by California and Nevada, there is nothing in the compact that will prevent the State of Arizona from taking from the river all the water that it can put to beneficial use. Rights already initiated will have to be respected in any event, and future development under the compact will be undertaken only in competition with the two States named, and with the cooperation instead of against possible opposition of the States of the upper basin. The present and prospective use of water in the lower basin is estimated, as follows: Use of Colorado River, lower basin Lower basin Acreage irrigated, 1920 Consumption of water, acre-feet New acreage Consumption of water, acre-feet Total acreage Total consumption of water, acre-feet Arizona 58, 000 450, 000 5,000 290, 000 2, 250, 000 ' 20,000 229, 000 490, 000 35, 000 860,000 1, 540,000 140,000 287, 000 940, 000 40, 000 1,150,000 3, 790, 000 160,000 California--__ Nevada _________ Total, Main River____ 513, 000 2, 560, 000 754, 000 2, 540, 000 1, 267, 000 5,100, 000 From this the surplus available for any further development that may be found feasible may be deduced as follows: Mean annual flow at Lee Ferry after deducting all future uses in the Acre-feet upper basin (see question 5)________________________________ 11, 510, 000 Total visible demands________________________________________ 5, 100, 000 Surplus____________________ _________________________ 6, 410, 000 |
