
Ramganga Dam

The Ramganga Dam, also known as the Kalagarh Dam, is an embankment dam on the Ramganga River upstream of Kalagarh in Pauri Garhwal district, Uttarakhand, India. It is located within the Jim Corbett National Park.
Background.
The dam is part of the Ramganga Multipurpose Project — an irrigation and hydroelectric project. It supports a 198 MW power station and provides water for the irrigation of of farmland. In addition, it provides for flood control and recreation. Construction on the dam began in 1961 and it was completed in 1974. The three generators in the power station were commissioned in December 1975, November 1976 and March 1977.
Design.
The dam is a tall and long earth and rock-fill embankment dam with of fill. The dam's spillway is controlled by five gates and has a maximum discharge of . To support the reservoir's elevation, there is a tall saddle dam on the reservoir's rim to the northeast on the Chui Sot River. The reservoir created by both dams has a capacity of which is active (or "useful") capacity. The reservoir has a surface of and a catchment area of . The power station at the toe of the dam contains three 66 MW Francis turbine-generators and is afforded of design hydraulic head. Below the dam is a system of over of canals supported by three barrages and of main feeder canal.