Suggest a few useful ways of utilising waste water.
Waste or used water can also become a resource.
- Treated municipal water can be poured in irrigation channels for supply to crop fields,
- Treated waste water can be used in urban areas for watering gardens, lawns and washing vehicles,
- Industries can treat their waste water and recycle the same,
- Waste water passed into ponds recharges the ground water,
- Sewage sludge, separated from waste water is a source of manure, compost and biogas.