The greatest variable in determining the size of your tank will be assessing how much water you use. Water usage will depend on a range of factors such as:
the extent to which water saving devices (such as water-wise showerheads, half-flush toilets, front-loading washing machines, etc) are used
how frequently and long people shower for
the amount of water used in the garden
whether animals are kept on the property
Main uses of water - facts and figures
It is estimated that a typical family may use as much as 260,000 Litres/Year.
For more water facts and guidelines about how much is used in typical households click here
