Basava Sagar Dam, previously known as Narayanpur Dam, is a dam constructed across the Krishna River at Siddapur Village in Muddebihal Taluk, Bijapur District, Karnataka, India.The reservoir that it impounds is known as Basava Sagar, and has a total storage capacity of 37.965 tmcft (1.075 km³), with 30.5 tmcft (0.85 km³) live storage.The full reservoir level is 492.25 m MSL and the minimum draw down level is 481.6 m MSL. It was a single purpose project meant only for irrigation, but downstream electrical generation and drinking water considerations enter into its management. The dam is 29 meters high and over 10 kilometres long,and has 30 gates for water release.When it was completed in 1982.it provided water to irrigate 4.21 lakh hectares in Jewargi taluka in Gulbarga district, Shahapur and Shorapur talukas in Yadgir district, Sindagi and Indi talukas in Bijapur district, and Lingsugur and Devadurga talukas in Raichur district.