Musi is the main river flowing through Hyderabad. Its birthplace is Sivareddy peta in Anantagiri, west of the district. Hyderabad district receives an average rainfall of 845 mm during monsoons of southwest and northeast. But the district faces water shortage.   The major water sources for the twin cities are Singur Project on River Manjeera in Medak district and Osman sagar on River Musi at Gandipet and Krishna water.