Question

Explain the meaning of Rainwater Harvesting?How is rainwater harvesting beneficial to us? Give four points for it.​

Answer 1

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Rain water harvesting is a technique of collection and storage of rain water in surface (storage tanks) or sub surface aquifer before it is lost as surface runoff.

It reduces soil erosion, stormwater runoff, flooding, and pollution of surface water with fertilizers, pesticides, metals and other sediments. It is an excellent source of water for landscape irrigation with no chemicals and dissolved salts and free from all minerals.

Answer 2

Answer:

1). Rain water harvesting is a technique of collection and storage of rain water in surface (storage tanks) or sub surface aquifer before it is lost as surface runoff.

2)Advantages of Rainwater Harvesting

Helps in reducing the water bill.

3) Decreases the demand for water.

4)Reduces the need for imported water. ... It reduces soil erosion, stormwater runoff, flooding, and pollution of surface water with fertilizers, pesticides, metals and other sediments.