Correct Answer - Option 4 : The Brahmani
The Rengali dam is 70.5m tall and 1040m wide which was completed in 1985.
- Its main purpose was to store water for irrigation and power generation.
- Its catchment area is 25250km2 which is mostly forest area and wasteland.
- The reservoir formed by the dam is the second largest dam in Odisha.
- The construction of the dam was opposed by the local people because it displaced more than 10,700 families.
The Rengali dam is constructed over the Brahmani river situated in Odisha.
- The Brahmani is a seasonal river.
- It is formed by the meeting of the Sankh and South Koel rivers and flows through the districts of Sundargarh, Deogarh, Angul, Dhenkanal, Cuttack, Jajapur and Kendrapara.
- Together with the river Baitarani, it forms a large delta before emptying into the Bay of Bengal at Dhamra.
- The dam impacted negatively upon the Bhitarkanika Mangroves of Odisha.
- Some species of trees in the Mangrove are fed by salt and fresh water from the Brahmani which is disappearing gradually.
- Moreover, the flow of water is decreasing towards the Mangrove.
