Bhavanisagar Dam


Bhavanisagar Dam or Lower Bhavani Dam, is an earthen dam located in Erode district in the Indian state of Tamil Nadu. The dam is constructed on the Bhavani river. The dam is situated some west of Sathyamangalam, and is from Gobichettipalayam in Erode district.

History

The Lower Bhavani Project was the first major irrigation project initiated in India, after independence, in 1948. It was completed by 1955 and opened for use in 1956. M. A. Eswaran played a key role in getting the government approval for the construction of the dam. The dam was constructed at a cost of.

Dimensions

The dam is long by high. The full reservoir level is and the dam has a gross storage capacity of or 32.81 Tmcft

Hydrography

Bhavanisagar dam is constructed on the Bhavani River. The dam receives water from two main catchment areas in the Western Ghats. The water is fed into the Bhavani river known as Upper Bhavani. The eastern catchment area includes the Upper Bhavani, Avalanche and Emerald lakes, Kundha, Gedhai, Pillur and Nellithurai. The western catchment area includes Portimund, Parson's valley, Pykara, Glenmorgan, Singara, Maravakandy, Moyar and Thengumarahada. The dam is fed by both Southwest and Northeast monsoons.
The dam feeds water into two canals, Lower Bhavani Project Canal and Kalingarayan Canal. The Kalingarayan canal feeds Thadapalli and Arakkankottai channels and the LBP canal feeds the Thadapalli and Arakankottai channels.
CanalAyacut area
Lower Bhavani Project Canal
Kalingarayan canal
Thadapalli and Arakankottai

Power generation

The dam has two hydroelectric power stations, one on the east bank canal and the other on the Bhavani river. Each has a capacity of for a total capacity of.