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Historical Population & Water Use

Growing population, changing demand

Chart depicting a steady climb in population from 1990 to 2006; with fluctuations in water usage over the same time period.Since the nineties, the population of Phoenix has grown steadily, from about one million in 1990 to more than 1.5 million today. Although the growth in water use more or less kept pace with the growth of the city in the nineties, total water use has actually declined in recent years, thanks in part to effective water conservation by homes and businesses. The chart below shows the population and water use of Phoenix for 1990-2007.

 


 


 


 
 

Chart with trendline indicating a decreasing per-capita daily water usage since 1988. 

As Phoenix residents and businesses have become more water-efficient, per capita use has declined. The chart below is a scatter plot showing the declining trend in water use per person. The declining trend has been quite widespread and has occurred across a broad range of homes and businesses. In 2007, the average Phoenix resident used about 20 percent less water than the average resident in 1990.

 


 


 

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