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422 West Sixth Streets boa Angeles 14, Calif», October 51, 1949 University of California* Department of Agriculture, Berkeley, California Gentlemen? We operate a public utility serving water to the- City of Las Vegas, tfevada* Paring the summer months and particularly during periods of extreme hot weather when tli© temperature ranges upward to 110 and over with very low humidity, the practice among a large number of the popula­tion i® to sprinkle ^lawns, shrubbery and other vegetation continuously throughout the day* This practice is rapidly depleting th© underground reservoir, and unless th© citizens can be induced to conserve water, will necessitate th© construction of necessary facilities at considerable eaepense to bring water into the Valley from Lake Head* At the present 'fcime, the per capita us© during th© period of high temperatures approximates 700 gallons per W© believe a more judicious use of vjater will re­duce this consumption without detriment to vegetation. W© propose to conduct an educational program to impress upon consumers th© necessity of conoerving water* J Local nurserymen state that during extreme high- temperatures daytime watering is detrimental _snd that for greater benefit •/- may be derived by watering daring th© evening and early morn-inr • For us© in conducting such a campaign, will appreciate receiving any authoritative information concerning this subject. in event you do not have suoh information, your sug­gestion as to where it may b© obtained will be appreciated* Yours very truly, (Signed) W. II JOHNSON Id