Suggest a few useful ways of the utilising waste water

Suggest a few useful ways of utilising waste water.

Answer:
Waste water can be used for the following ways:

  • For recharging the ground water.
  • Can be used for irrigation.
  • Treated municipal water can be used for washing cars or watering the gardens.
  • Certain pollutants in sewage water can become fertiliser for various crops.