Question

What do you understand by rainwater harvesting? Discuss its advantages​

Answer 1

Answer:

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Advantages of Rainwater Harvesting

Decreases the demand for water. Reduces the need for imported water. Promotes both water and energy conservation. ... It reduces soil erosion, stormwater runoff, flooding, and pollution of surface water with fertilizers, pesticides, metals and other sediments.

Answer 2

Rainwater harvesting (RWH) the collection and storage of rain, rather than allowing it to run off. Rainwater is collected from a roof-like surface and redirected to a tank, cistern, deep pit (well, shaft, or borehole), aquifer, or a reservoir with percolation.

The advantages of rainwater harvesting are:

• It is cost-effective.
• Conserves water.
• A source of water for landscape irrigation.
• It is a simple method and easy to practice.
• It reduces soil erosion and pollution of water bodies due to fertilizers and pesticides