The pie charts illustrate information on residential water consumption by 1988 and 2008.
Overall, residential water usage experienced significant changes over the twenty- year period. While kitchen and bathroom usage showed gradual increase, the proportion of water in toilets, washing and garden experienced dramatic declines. Furthermore, kitchen water use transformed from being the smallest stage at the beginning of the given period to the largest category by the end of the period.
In 1988, kitchen water use represented 15% of total residential consumption, before increasing gradually to 29% by 2008. Similarly, water usage in the bathrooms accounted for 22%, before increasing almost 28% between 1988 and 2008.
By comparison, water consumption for gardening experienced a significant decline, decreasing from 20% to 7% by 1988 and 2008. The washing water use represented 25% at the beginning of the given period. However, it fell slightly to 22% by 2008. Similarly, water usage for the toilets accounted for 18% of total consumption, before it decreased to 14% in 2008.
