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.
An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil, sand, clay, or rock. It has a semi-pervious waterproof natural covering for its surface and a dense, impervious core.
Krishna Raja Sagara, also popularly known as KRS, is the name of both a lake and the dam that creates it. It is located close to the settlement of Krishnarajasagara in the Indian State of Karnataka. The gravity dam made of surki mortar is situated below the confluence of river Kaveri with its tributaries Hemavati and Lakshmana Tirtha, in the district of Mandya.