Keep a jug of drinking water in the fridge
Why this can help
Keeping drinking water in a clean jug can avoid water run down the drain while waiting for a cooler temperature. Water utilities recommend this where tap water is potable.
One possible next step
If you prefer cool water, fill a clean covered jug and store it appropriately in the fridge you use.
What changes the outcome
Follow local drinking-water and storage guidance. Refrigeration is not free of energy use, so this is a water-saving comparison rather than an automatic energy or carbon saving.
Your illustrative scenario
Over one year · with the assumptions below
You
400 litres of water used less
You + 10 friends
4,400 litres of water used less
1,000 participants
400,000 litres of water used less
These are scenarios, not measured personal or collective savings. One separate household per participant. People sharing a home count it once, not once each.
Your inputs
- Extra water run while waiting for cool water per day Before
- 2 L
- Extra water run while waiting for cool water per day After
- 0 L
- Comparable days per year
- 200
Calculation of the difference: (2 − 0) × 200 = 400 litres of water used
Calculation boundaries
Only fresh water used for the same service is counted. Include rinsing and repeated attempts. Heating, water treatment and carbon emissions are outside this account. Follow local drinking-water and storage guidance. Refrigeration is not free of energy use, so this is a water-saving comparison rather than an automatic energy or carbon saving.
The initial values are editable arithmetic examples, not measurements or typical savings from the cited studies. Replace them with comparable readings for your situation. The sources support the mechanism and its conditions; they do not predict these numbers.
Sources and calculation references
- Sydney Water — Water saving tipsSydney Water
Read the method: universalizable.com/en/method/ · One sheet · print double-sided, long-edge binding