Hyderabad: Hyderabad and its surrounding urban districts are facing growing groundwater stress as nearly 70 per cent of their annual groundwater resources have already been extracted. According to the 2025-26 India-Groundwater Resource Estimation System (IN-GRES) assessment, the Core Urban Region (CURE), which includes Hyderabad, Rangareddy and Medchal-Malkajgiri districts, has extracted around 48,000 hectare-metres (ham) of ...