Roof top rain water harvesting depends upon the amount of rainfall and the roof top area.
Roof top rain water harvesting in india.
The concept involves collection of rain water either in natural reservoirs aquifers and or in constructed tanks.
A 100 sqm roof area with an average of 50cm rainfall can yield 50 000 litres of water.
Dew and fog can also be collected with nets or other tools.
Sdg 6 for india.
It s a simple indigenous technology being practiced in india for centuries.
Rwh helps in achieving self sufficiency in water raises ground water level improves ground water quality and helps to reduce soil erosion.
Harvested rain water can be stored in subsurface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks.
Components of rain water harvesting system the various components of a rainwater harvesting system are 1.
Rainwater harvesting rwh is the collection and storage of rain rainwater is collected from a roof like surface and redirected to a tank cistern deep pit well shaft or borehole aquiferor a reservoir with percolation.
Rooftop rain water harvesting is the technique through which rain water is captured from the roof catchments and stored in reservoirs.
Roof top rainwater harvesting the roof becomes the catchment area and the rainwater is collected from the roof of the house building.