Roof Water Harvesting System In India

Rooftop rainwater harvesting systems are now mandatory for new buildings in 18 of india s 28 states and four of its seven federally administered union territories.

Roof water harvesting system in india.

Rainwater harvesting techniques have been already been devised and used since ancient time. A 100 sqm roof area with an average of 50cm rainfall can yield 50 000 litres of water. In southern india rainwater harvesting systems are integrated into their architecture in the form of small ponds tanks for each house and temple tanks. Sdg 6 for india.

A planned approach is hence needed in order to fully utilize the potential of rainwater to adequately meet our water requirements. 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. This method uses the water collected on terraces and rooftops of houses and buildings. 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.

It is best applied in residential areas of towns and cities. There are various types of rainwater harvesting systems. These were implemented at the community level in areas where rainfall is the only major source of freshwater mostly in rajasthan madhya pradesh. Outcome 6 rain roof water harvesting structures with a capacity to store 66 000 litres of water in an underground tank at 6 locations in government schools in bilaspur and kabirdham district in chhattisgarh.

One of the major hurdles in storm water harvesting is the poor state of storm water drain systems in india. Of rain roof water harvesting structures has undertaken in government primary schools in chhattisgarh. Types of rainwater harvesting in india according to its intended use the raw materials used in the making etc. Which is the first state in india to have made the rooftop rainwater harvesting structure compulsory for all the houses across the state.

Legislation on rainwater harvesting. Discover the impact that intensive rainwater harvesting initiatives have had on the lives of communities in the dry drought ridden regions of rajasthan and how their lives and farming enterprises have been transformed through the capturing of precious water via ponds check dams and other traditional structures. Roof top rain water harvesting can be a very effective tool to fight the problem of water shortage particularly in urban areas. The main objective of rooftop rain water harvesting is to make water available for future use.

More the amount of rainfall more is the harvested water from roof top. Rooftop rain water harvesting is the technique through which rain water is captured from the roof catchments and stored in reservoirs.