Nagarjuna Sagar Dam is a masonry dam across the Krishna River at Nagarjuna Sagar which straddles the border between Nalgonda district in Telangana and Palnadu district in Andhra Pradesh. The dam provides irrigation water to the districts of Nalgonda, Suryapet, Khammam, Bhadradri Kothagudem districts of Telangana and also Krishna, Guntur, Palnadu, Prakasam and parts of West Godavari districts of Andhra Pradesh.It is also a source of electricity generation for the national grid.