Hyderabad faces water shortages from December 15. HMWSSB urges residents to conserve water amidst declining reservoir levels. HYDERABAD: Hyderabad is likely to face water shortages from December 15, with the Hyderabad Metropolitan Water Supply and Sewerage Board (HMWSSB) urging residents to conserve water amid declining storage levels in the Singur and Manjeera reservoirs. The water board is conducting awareness campaigns across neighbourhoods, advising people to use water sparingly from now on.