Describe the method of rain water haarvesting.How does it help in recharging ground water?

Rainwater harvesting is a technique used for collecting, storing, and using rainwater for landscape irrigation and other uses. The rainwater is collected from various hard surfaces such as roof tops and/or other types of manmade above ground hard surfaces.This is done through catchments areas & conduits. The catchments of a water harvesting system is the surface which receives rainfall directly. It can be a paved area like the terrace or courtyard of a building. Conduits are the pipelines that carry rainwater from the catchments or rooftop to the harvesting system.it is useful in

Reducing Water Bills

Suitable for Irrigation

Reduces Demand on Ground Water