STUDIES ON IMPACT OF MINING ON SURFACE AND GROUNDWATER

There is an appreciable and adagio impact of mining on surface and groundwater. Rapid development of mining throughout the world with the galloping advances in science and technology is changing the shape of our planet and also hydrological region at micro level. World top quality galaxy granite (Gabbro) occurs in Chimakurthi mandal of Prakasam district of Andhra Pradesh. From the analysis of data pertaining to mining, rainfall and groundwater levels (1999-2010), it is observed that, the rainfall in the mandal shows declining trend over the successive years and more prominent since 2002 onwards. There is no noticeable effect of rainfall on groundwater recharge, because of poor aquifer system.