In most urban homes, water is used once and then flows away, even though much of it is still reusable. This lightly used water, called greywater, comes from sources like bathrooms, showers, washing machines, and sometimes kitchens.
Greywater recycling means collecting this water, filtering it simply, and reusing it for non-drinking purposes. It is important to keep it separate from toilet waste for safety. At home, the process starts by identifying water sources, separating greywater, and using basic filters to remove dirt and particles. The water should not be stored for long and is best used within 1–2 days.
Reused greywater can be used for watering plants, flushing toilets, cleaning floors, or maintaining gardens.
Using mild soaps and cleaning filters regularly helps keep the system effective.
This simple habit can save thousands of litres of water every month and make a meaningful difference in cities facing water shortages.