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\ v - j ^ ^ P gep P i ' ? - d 422 West Sixth Street, Los Angeles 14, Calif,, October 51, 1949 State o f Departme nAtr izona, of Agriculture, Phoenix, Arizona Gentlemen? We operate a public utility serving water to the City of Das Vegas, Nevada. During the stunner months and particularly durlngperiods of extreme hot weather when the temperature ranges upward to 110 and over with very low humidity, the practice among a large number of the popula­tion is to sprinkle lawns, shrubbery and other vegetation continuously throughout the day. This practice Is rapidly depleting the underground reservoir, and tinless the citizens can be induced to conserve water, will necessitate the construction of necessary facilities at considerable expense to bring water into the Valley from Lake Mead, At the present time, the p e r capita use during the period of high temperatures approximates 700 gallons per day. We believe a more judicious use of water will re­duce t M s consumption without detriment to vegetation* W© propose to conduct an educational program to impress upon consumers the necessity of conserving water. Local nurserymen state that during extreme high temperatures daytime watering Is detrimental and that far greater benefit may bo derived by watering during the evening and early morn­ing. .For use in conducting such a campaign, will appreciate receiving any authoritative information concerning this subject. In event you do not have such information, your sug­gestion as to where it may be obtained will be appreciated. Xours very truly, (Signed) W. R JOHNSON