A REVIEW- TANK AND ITS ROLE IN RECHARING GROUNDWATER

The tanks occupy vital role in the irrigation as well as local ecosystem in the semiarid regions of South India. A tank can be used as multipurpose like source of drinking water for rural and urban communities, livestock, fish culture, recharge of ground water, control of floods etc. But tanks after the independence which are in multi use has drastically decreased due to several socio-economic and institutional factors, particularly the changes in ownership pattern, caste, class configuration and importance given to canal systems and over exploitation of groundwater. Today there is an alarm that these valuable and extensive resources are in a state of collapse, contributing to increased drought vulnerability. Therefore this study has been taken upto show how tanks help in recharging groundwater. As a result of this review paper, different author's methods towards finding out the increase in groundwater level and socio economic benefits were discussed.