HMWSSB has projected a 100 MGD shortfall from Singur and Manjeera sources between January and August. Additional supplies from Godavari, Krishna and Osman Sagar may reduce the deficit, but up to 50 MGD could remain, affecting three lakh connections. Hyderabad: The Hyderabad Metropolitan Water Supply and Sewerage Board (HMWSSB) has sounded alarm bells for the upcoming summer, projecting a shortfall of 100 million gallons per day (MGD) in water supply from the.