A 100 sqm roof area with an average of 50cm rainfall can yield 50 000 litres of water.
Roof top rain water harvesting in india.
Rooftop rain water harvesting is the technique through which rain water is captured from the roof catchments and stored in reservoirs.
Components of rain water harvesting system the various components of a rainwater harvesting system are 1.
Roof top rain water harvesting depends upon the amount of rainfall and the roof top area.
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.
Rwh helps in achieving self sufficiency in water raises ground water level improves ground water quality and helps to reduce soil erosion.
Roof top rainwater harvesting the roof becomes the catchment area and the rainwater is collected from the roof of the house building.
The concept involves collection of rain water either in natural reservoirs aquifers and or in constructed tanks.
Roof top rain water harvesting can be a very effective tool to fight the problem of water shortage particularly in urban areas.
Key to water independence through rooftop rainwater harvesting in monsoon average cost for building a rooftop rainwater harvesting system rrwhs is inr 45 000 for 10 000 litre capacity tank.
Sdg 6 for india.
It s a simple indigenous technology being practiced in india for centuries.