Question

What is rainwater harvesting? What is the need of rainwater harvesting? Mention any four rainwater harvesting structures.

Answer 1

Explanation:

rainwater harvesting means to store water of rain in any tank which falls from top of home , any building etc.

need=to save water,helps in summer.

Answer 2

$\bf\underline\red{Answer:-}$

Rainwater harvesting is the simple process or technology used to conserve Rainwater by collecting, storing, conveying and purifying of Rainwater.

$\bf\underline\red{Needs\:of\: Rainwater\: Harvesting:-}$

$\bullet$The quantum of runoff

$\bullet$Features of the catchments

$\bullet$Impact on the environment

$\bullet$Availability of the technology

$\bullet$The capacity of the storage tanks

$\bullet$Types of the roof, its slope and its materials

$\bullet$The frequency, quantity and the quality of the rainfall.

$\bullet$The speed and ease with which the Rainwater penetrates through the subsoil to recharge the groundwater.

$\bf\underline\red{Structures\:of\: Rainwater\: Harvesting:-}$

A rainwater harvesting system comprises components of various stages - transporting rainwater through pipes or drains, filtration, and storage in tanks for reuse or recharge.

• Catchments
• Coarse mesh
• Gutters
• Conduits
• First-flushing
• Filter

$\bf\underline\red{Advantages\:of\: Rainwater\: Harvesting:-}$

• Less of cost.

• Helps in reducing the water bill.

• Decreases the demand for water.

• Reduces the need for imported water.

• Promotes both water and energy conservation.

• Improves the quality and quantity of groundwater.

• Does not require a filtration system for landscape irrigation.

• This technology is relatively simple, easy to install and operate.

$\bf\underline\red{Thanks}$