Experts warn that Hyderabad could face an extended drinking water challenge until the next monsoon. Hyderabad: Dry taps and a falling groundwater table sum up Hyderabad's water crisis.Tanker bookings have surged, and uncertainty is looming over reservoir supplies. Across several localities, borewells have reportedly run dry despite the presence of rainwater harvesting pits, leaving households increasingly dependent on municipal supplies and private water tankers.