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Joida
Joida
	The Back waters of Supa Dam.
	Location of Joida in Karnataka Supa Dam (India)
Country	India
Location	Joida
Coordinates	15°16′34″N 74°31′36″E / 15.27611°N 74.52667°E
Status	Operational
Construction began	1974
Opening date	1987
Dam and spillways
Type of dam	Concrete gravity
Impounds	Kalinadi River
Height	101 m (331 ft)
Length	332 m (1,089 ft)
Reservoir
Total capacity	4,178,000,000 m3 (3,387,160 acre⋅ft)
Active capacity	4,115,000,000 m3 (3,336,085 acre⋅ft)
Catchment area	1,057 km2 (408 sq mi)
Power Station
Commission date	1985
Hydraulic head	72 m (236 ft) (design)
Turbines	2 x 50 MW Francis-type
Installed capacity	100 MW

Supa Dam is built across Kalinadi (Kannada) or Kali river in state of Karnataka in India and is the tallest dam in Karnataka. The 101 meters high and 332 meters long dam has 3 gates of 15x10 meters.^[1] The dam's gross capacity is 4.178 cubic km or 147 tmc ft. It is situated at GaneshaGudi, which is in Joida taluk of Uttara Kannada district. The dam forms the main storage reservoir to all the power houses in Kalinadi hydro power project of total installed capacity of 1180MW, which includes main Nagzari power house of 810 MW capacity. The power house at the foot of the dam has two 50 MW electricity generators. The electricity generated is supplied to different parts of Karnataka. The dam was built by Hindustan Steel Works Construction Limited and is designed, owned and operated by Karnataka Power Corporation Limited. The power house was commissioned in 1985. The dam is basically used for generation of hydro electricity.