Hussain Sagar was built across a tributary of the river Musi river in 1562 by Ibrahim Quli Qutub Shah. The lake was named after Hussain Shah Wali, who helped design it. It is an artificial lake that holds water perennially fed by canals from Musi river. Hussain Sagar was the main source of water supply to Hyderabad before Himayat Sagar and Osman Sagar were built on river Musi