Rainwater is collected from a roof-like surface and transmitted to a tank, cistern, deep pit, aquifer, etc.

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Rainwater Harvesting

"Rainwater harvesting (RWH) is capturing rainwater when it falls and is used for the other season."

- sufficient water for drinking and irrigation.
- sufficient water for groundwater recharging.
- reduce the pressure of the sewage treatment plants.

Purpose of Rainwater harvesting:

Methods of Rainwater harvesting:

1. Surface runoff harvesting.
2.  Roof Top Rain harvesting.

Merits of Rainwater Harvesting:

- It provides a reliable source of water for domestic usage.
- Water is collected in huge amounts for industry use.
- The monthly water expenses will be reduced.

Demerits of Rainwater Harvesting:

- A large number of resources will have to be spent on rainwater harvesting.
- When it doesn't rain, you can't make rainwater.

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