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The dam is one of the tallest gravity dam in the world having maximum height of
226 m, even higher than the Hoover dam, USA (221 m). Besides irrigation, the
Dam has a Hydro Power Unit having an installed capacity of 1204 MW.
2.
KOYNA DAM
Koyna dam is a gravity dam and is constructed over the river Koyna in Satara
district of Maharashtra and generates Hydro power. The catchment area is
891 km
2
and the installed capacity is 135 MW. The construction was started in
1956 and completed in 1961. Maximum height of the dam is 103m and length at
the top of the dam is 808m. Design flood discharge is 7854 m
3
/sec.
3.
NAGARJUNA SAGARDAM
Nagarjuna Sagar Dam is earth-cum-gravity dam and is located near Nandikonda
village, Nalgonda district, Andhra Pradesh. It is a combined irrigation and hydro
power project, constructed across Krishna river and the constructed work
started in 1957 and completed in 1974. The catchment area of the project is
215,192 km
2
and the average annual rainfall is 890 mm. Maximum height above
the lowest point of foundation is 125m. The length is 3145m at earthen dam
non-overflow side, 978m in non-overflow masonary side and spillway length is
472m. Maximum discharge capacity is 53,450m
3
/sec.
4.
GANDHI SAGAR DAM
Gandhi Sagar Dam is an irrigation and hydropower project constructed across
river Chambal in Mandasaur district of Madhya Pradesh. Average rainfall in the
area is 86 cm. and the project has a catchment area of 23,140 sq.km. The dam
is masonry one having maximum height of 64m and spillway length is 254m
and non-overflow length of 260m. The design flood discharge of 21,240 m
3
/sec.
There are 5 nos. generating units having 23 MW each.
5.
RIHAND DAM
Rihand Dam is a straight concrete gravity dam located in Pipri, Mirzapur
district, UP. This is a hydropower project having an installed capacity of
300 MW. The dam is 91m high and more than 900m in length.
