Rihand Dam

Rihand Dam :

Rihand Dam  is a concrete gravity dam located at Pipri in Sonbhadra District in Uttar Pradesh, India. Its reservoir area is on the border of Madhya pradesh and Uttar Pradesh. 

This reservoir is known as Govind Ballabh Pant Sagar. It is on the Rihand River which is the tributary of the Son River. 

The catchment area of this dam is spread in Uttar Pradesh, Madhya Pradesh & Chhattisgarh whereas it supplies irrigation water in Bihar located in the downstream of the river.Rihand dam is a concrete gravity dam with a length of 934.21 m. 

The maximum height of the dam is 91.44 m and was constructed during period 1954-62. The dam comprises 61 independent blocks and ground joints. 

The powerhouse is situated at the toe of the dam, with installed capacity of 300 MW (6 units of 50 MW each).

 The Intake Structure is situated between blocks no. 28 to 33. The Dam is in distress condition. It is proposed to carry out the rehabilitation works in the dam and the powerhouse. 

The F.R.L. of the dam is 268.22 m and it impounds 8.6 Million Acreft of water. It is one of the biggest reservoir by its gross storage capacity in India but sufficient water is not flowing in to the reservoir.