Calculator

Water Consumption

Answer the 16 questions below to work out how much water is being used in your house.
Please note that this should only be used as a guide.

1. How many people in your household?
2. Do you have a dual flush toilet?


Your toilet uses litres of water per week to flush the toilet.

3. Do you have a leaking toilet in your household? Yes No
Sometimes it is hard tell, so place some food colouring in the cistern and wait a while to see if it leaks into the bowl.
On average you are wasting litres per week

4. How many minutes in total do household members spend in the shower on an average day?
(Add the minutes together – eg 7 minutes for Kim + 16 minutes for Andre = 23 minutes)

5. Do you have a low water flow AAA rated showerhead? Yes No
Your household will use litres per week.

6. How many baths does your household have each week?
This will use approximately litres of water.

7. How many loads of washing does your household do in an average week?
8. Do you have a water efficient AAAA rated front loading washing machine? Yes No

Your household will use litres of water.

9. Overall, do you try to save water in your kitchen? Yes No
For example: do you rinse vegetables in a shallow sink of water? Have you installed water efficient taps?
Do you only run the dishwasher when it’s full? Do you rinse dishes before putting them in the dishwasher?

Your household will use on average litres of water.

10. Do you have a garden? Yes No (If no proceed to Q12)

11. If so do you try to save water with methods such as drip irrigation, tap timers, mulching and water efficient plants? Yes No
On average your household uses litres a week on the garden.

12. Do you, and those in your household, leave the tap running when brushing your teeth? Yes No
On average your household uses litres a week to brush their teeth.

13.How many leaking taps do you have?
Your household wastes litres per week.

14. Do you apply water conservation measures for other general water uses that occur in households? Yes No
For example: Do you minimise using water when cleaning bathrooms and kitchens, cleaning paths,
using garden water features, efficiency of air conditioning and water heaters, children playing
under hoses, washing cars and hand washing clothes?

Your household will use an average of litres each week.

15. Does your household have a rainwater tank, or a greywater system for re-using water? Yes No
Your household saves an average of litres each week.

16. Have you changed your household’s water usage over the past few years due to increased awareness of water scarcity? Yes No
Your household saves an average of litres each week.

Total water Usage is litres per week.
Total water Savings litres per week.
Total water used in your household litres per week.
Total water used by each person litres per week.

 

How did your Household go?

Water Consumption per person
< 1200 litres per week:
Great Work. Your household is using water wisely. Share your knowledge
with neighbours, friends and family! 750 litres a week would be exceptional!

1200 - 1600 litres per week:
On the way. There are still plenty of ways for you to save water and at the
same time save money in your home. Please read the City of Melbourne’s
WaterMark strategy for tips on water saving.

> 1600 litres per week:
You use a lot of water. Please read about water conservation in WaterMark
and give Council a call if you need some extra assistance.