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What is Rain Water Harvesting ?
It means collecting rain water and storing it for later us.
What are the 2 techniques of Rain water harvesting?
1. Roof top rain water harvesting:
In this technique the rain water is collected from roof top to storage tanks through pipes. The water may contain soil from the roof and need filtering before it is used.
2. Allow water to go into ground directly from roadside drains that collect rainwater.
This water gets stored as groundwater.
