These pie charts show the data about water usage with different industry in Syndey.
It is clear that the food industry stood the largest percentage of total water consumption, and this figure slightly dropped from 48% in 1997 to 41% in 2007. On the contrary, the water usage of the household industry increased mildly from 19% to 21% in ten years. The same trend appeared in the service industry, since its water usage doubled in ten years.
Other industries consumed less water, and their usage declined. The water usage of manufacturing industry decreased from 15% to 11%. Meanwhile, the building industry merely used 5% of the water in 1997, and this figure dropped to 2% in 2007.
Overall, most water usage appeared in the food, service, and household industries, while the manufacturing and building industries used a small percentage of the water. The water consumption of the service industry grew greatly, and the consumption of the household industry also increased.