Rampant mining has negatively impacted water supply in coal-rich Brajrajnagar which is now staring at a major crisis during summer. Share Via Email | A+A A- By Express News Service JHARSUGUDA: Rampant mining has negatively impacted water supply in coal-rich Brajrajnagar which is now staring at a major crisis during summer. The devastating effect of open-cast mining, responsible for environmental degradation in the region, has led to depletion of local water resources. Coal’s life cycle, from mining to processing to combustion, requires a large amount of water, thereby affecting the groundwater level.