The Ramganga Dam, also known as the Kalagarh Dam, is an embankment dam on the Ramganga River upstream of Kalagarh in

Pauri Garhwal district Pauri Garhwal is a district in the Indian state of Uttarakhand. Its headquarters is in the town of Pauri. It is sometimes referred to simply as Garhwal district, though it should not be confused with the larger Garhwal region of which it is ...

Uttarakhand Uttarakhand ( , or ; , ), also known as Uttaranchal ( ; the official name until 2007), is a state in the northern part of India. It is often referred to as the "Devbhumi" (literally 'Land of the Gods') due to its religious significance and ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

. It is located within the

Jim Corbett National Park Jim Corbett National Park is a national park in India located in the Nainital district of Uttarakhand state. The first national park in India, it was established in 1936 during the British Raj and named ''Hailey National Park'' after Willia ...

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 A spillway is a structure used to provide the controlled release of water downstream from a dam or levee, typically into the riverbed of the dammed river itself. In the United Kingdom, they may be known as overflow channels. Spillways ensure th ...

is controlled by five gates and has a maximum discharge of . To support the

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

'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 In human geography, a catchment area is the area from which a location, such as a city, service or institution, attracts a population that uses its services and economic opportunities. Catchment areas may be defined based on from where people are ...

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.

References

{{Power Stations of Uttarakhand Dams in Uttarakhand Hydroelectric power stations in Uttarakhand Embankment dams Pauri Garhwal district Dams completed in 1974 Energy infrastructure completed in 1977 1977 establishments in Uttar Pradesh

Background

Design

See also

References