The Vaigai Dam is built across the Vaigai River near Andipatti, within the Theni district of Tamil Nadu, southern India. It provides water for irrigation for the Madurai district and the Dindigul district as well as consuming water to Madurai and Andipatti. Near the dam, the Government of Tamil Nadu has built an Agricultural Research Station for researching the developing of a spread of vegetation, which includes rice, sorghum, blackgram, cowpea and cotton. Vaigai Dam become inaugurated on 21 January 1959 through then Tamil Nadu chief Minister Mr. K Kamaraj. Vaigai Dam measures 111 feet in top and may store water as much as 71 toes, with a complete garage capability of 6,143 ft. Vaigai Dam is maintained by using Water Resources Department which in turn managed by means of the Tamil Nadu Public Works Department.
A small and beautiful park is maintained with the aid of the Water Resources Department on both sides of the Dam. A small bridge connects the 2 aspects of the park in front of the dam. The park actually have a kids play vicinity. Vaigai Hydroelectric Power Plant was layout potential of 6 MW. It has 2 units of three MW every. The first unit changed into commissioned in 1990. It is operated by means of Tamil Nadu Generation and Distribution Corporation Limited TANGEDCO. Vaigai Dam is one of the 104 dams in Tamil Nadu that is proposed to be improved below the Dam Rehabilitation and Improvement Project DRIP.