The New Indian Express. HYDERABAD: With water levels in the Singur-Manjeera reservoirs declining amid the prevailing El Nino conditions, the Hyderabad Metropolitan Water Supply and Sewerage Board (HMWSSB) has expedited. Hyderabad: HMWSSB is racing against a November 15 deadline to complete pipeline interconnection and bring an additional 40 million gallons per day (MGD) of Godavari water to the city.