Manimukthanadhi dam was constructed across Manimuktha Nadhi River just below the confluence point of Mani River and Muktha river. Manimukthanadhi River is one of the Major tributaries of Vellar which comprises of Mani, Muktha, Gomukhi and Mayura rivers, originating from the Northern part of the Eastern Slopes of Kalrayan Hills which is a hill range of Eastern Ghats . lying along the boundary between Villupuram and Salem Districts in the Extreme West of Sankarapuram Taluk.
This dam benefits South Arcot District. Kallakurichi Taluk is benefited by this dam.
The construction of dam was started on 29.10.1966 and completed on 15.09.1970. The dam was inaugurated by the then Hon’ble Minister for Food of Tamil Nadu Thiru.V.Ramaiya. The first release of water was on 15.09.1970.
