Rain Water Harvesting In India

Although rainwater harvesting in india seems to be a new concept for many of us it has been prevalent in rural india since ancient times and has been known by different names paar in western rajasthan and pat in madhya.

Rain water harvesting in india.

These were implemented at the community level in areas where rainfall is the only major source of freshwater mostly in rajasthan madhya pradesh. As the rain falls water is directed to a suitable collection point. Among the several factors that influence the rainwater harvesting potential of a site eco climatic conditions and the catchment characteristics are considered to be the most important. Water is an important natural resource and is the very basis of our life.

We use water for drinking irrigation industry transport and for the production of hydro electricity. Rainwater harvesting systems since ancient times has been applied as a supply for drinking water water for irrigation and water for livestock. With depleting groundwater levels and fluctuating climate conditions rwh can go a long way to help mitigate these effects. It is basically a simple process of accumulating and storing of rainwater.

It can also mean collecting rainwater before it infiltrates into the ground and becomes underground water. Rainwater harvesting in india is not new but an age old practice observed in the ancient civilizations of indus valley and harappa. In this method rainwater is collected on the roof and carried to a storage tank from where it goes to the point of consumption. Rainwater harvesting techniques have been already been devised and used since ancient time.

In southern india rainwater harvesting systems are integrated into their architecture in the form of small ponds tanks for each. Rainfall is the most unpredictable variable in the calculation and hence to determine the potential rainwater supply for a given. Water is a cyclic resource which can be used again and again after cleaning. Rainwater harvesting is one such water conservation method that is being utilized in urban areas in a big way these days.

During industrialization and urbanization it was overlooked by people and the governmentgovernment leading to exhaustion of freshwater sources in india. Rain water harvesting in india. Rainwater harvesting in rural areas. Need methods and other details.

Rainwater is collected from a roof like surface and redirected to a tank cistern deep pit well shaft or borehole aquifer or a reservoir with percolation. Rooftop rainwater harvesting is among the most common solutions in rural areas as it is a basic inexpensive method requiring minimum expertise for implementation. Rainwater harvesting refers to the trapping and storing of rainwater so that it can be used at a later time when the need arises. The collected rainwater may be stored utilised in different ways or directly used for recharge purposes.

In india rainwater harvesting has been in practice for more than 4000 years. Rainwater harvesting rwh is the collection and storage of rain rather than allowing it to run off.