Average use per person per day is 180 litres.
 

What we use water for
Activity	Amount of water used
Cleaning teeth (one brushing)	5 litres
Shower	75 litres per 5 minutes
Bath (full)	200 litres
Toilet (full flush)	11 litres
Garden hose (on full)	150 litres per 5 minutes
Dishwashers (single wash)	40 litres
Washing machine (per load)	200 litres
Dripping taps	10,000 to 250,000 litres per annum.

How you can save water
What to do	Potential savings
Check your bathroom taps for leaks	up to 5,000 litres per month
Don’t leave taps running unnecessarily	10 litres per minute
Turn the tap off when cleaning your teeth	10 litre per minute
Turn off the tap when shaving	10 litre per minute
Try partially filling the bath	80 litres per bath
Choose to shower instead of bath	80 litres per shower
Install a water-efficient shower-head	up to 30 litres per shower
Install a dual flush toilet	5 litres per flush
Check for leaks in the toilet system	up to 5,000 litres per month.