An account of domestic water costs of five Australian cities along with their average bill is depicted in the given table.
Overall, it is clear that the usage charge per kilolitre varies according to the usage, and Perth stands first in the average household bill.
As per the table, the usage charge per kilolitre of water, when it is used up to 125KL is the highest in Sydney, with just under an Australian dollar. The city which closely follows Sydney in this category is Brisbane ($0.81). The charges per kilolitre in other cities range from $0.42 to $0.78.
Turning to the cost per kilolitre, when the household uses over 125KL, Perth stands first with $1.50, which is $0.50 higher than that in Adelaide. In the other three cities (Brisbane, Melbourne and Sydney), the amount does not cross an Australian dollar.
In case of the average bill per household, except in Melbourne ($253), the water charges range between $310 and $332, with Perth being the city with the highest water bill.
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