Perumpallam Dam is a dam in Sathyamangalam

Sathyamangalam

Sathyamangalam or Sathy is a small city and taluk in Erode district in the Indian state of Tamil Nadu. It lies on both banks of the Bhavani River, a tributary of the Kaveri in the foothills of the Western Ghats...

, Erode district

Erode District

Erode District is a western district of the state of Tamil Nadu, India, with Erode as its headquarters. Until the year 1996, Erode district was called as Periyar District....

, Tamil Nadu

Tamil Nadu

Tamil Nadu is one of the 28 states of India. Its capital and largest city is Chennai. Tamil Nadu lies in the southernmost part of the Indian Peninsula and is bordered by the union territory of Pondicherry, and the states of Kerala, Karnataka, and Andhra Pradesh...

, southeastern India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It is fed by rainwater from the Kadambur Hills and the Bhavani River

Bhavani River

The Bhavani is the second largest river in Tamil Nadu, South India and a major tributary of the Kaveri River, the longest river in Tamil Nadu.-Description:...

. It was built in the 1980s. It measures roughly 2 km long and 40 metres in height and occupies 65.29 hectares of land. The reservoir which the dam inundates is subject to dramatic changes in water levels, from drought to heavy flooding such as in November 2006.