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<br />FOREWORD
<br />
<br />POPULATION and industry of the Southern California coastal
<br />plain continued their rapid increase during the fiscal year
<br />1952,1953. The Security,First National Bank of Los Ange]es
<br />in its monthly summary of business conditions for July 1953 reports
<br />that business volume and building permits in Southern California
<br />in the first half of 1953 again were well above any previous one,half
<br />year in history, The monthly summary also states that total em,
<br />ployment at the end of the fiscal year was 9 percent above the pre,
<br />vious June 30,
<br />The combined population of Los Angeles. Orange, Riverside, San
<br />Bernardino, and San Diego counties on June 30, 1953 is estimated
<br />at 6,200,000, up 8 percent from June 30, 1952, The present popu'
<br />lalion of the District is estimated at 4,342,000,
<br />
<br />USG of Coloradu River n;aler
<br />
<br />Delivery of natural Colorado River water to San Diego County
<br />\ areas totaled 28.551 acre,feet, 44 percent of the quantity delivered
<br />in the previous fiscal year. Most "f this quantity was delivered in
<br />the last third of the fiscal year, after it became evident that little
<br />replenishment of local reservoirs would be obtained from rainfall
<br />runoff, A total of 27,956 acre, feet of unsoftened water was ,'eleased
<br />into the Santa Ana River channel for the Orange County Water
<br />District,
<br />Sales of softened water increased 18 percent over the previous
<br />fiscal year, to a new record total of 102,278 acre,feet, an amount
<br />roughly equal to the capacity of Lake Mathews, The foul' largest
<br />purchasers of softened water and the amount, of water purchased
<br />were: Pasadena 18,083 acre,feet, Los Ange]es 17,049, Long Beach
<br />15,323, and Santa Monica 11,483, Constituents using Colorado
<br />River water for more than one,third of their water supply were:
<br />Santa Monica 96,8 percent, Santa Ana 78,6, Anaheim 71.2, Tor,
<br />ranee 67,9, Pasadena 65.1, Coastal Municipa] Water District 57,6,
<br />Fullerton 57,2. and Long Beach 40.7,
<br />Sales of Colorado River water are shown in table 12 and water
<br />production of the constituent areas in table 13,
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