Ukai Dam, the second largest dam in Gujarat after the Sardar Sarovar, is constructed across the Tapti River. It is situated in Surat and Tapi districts. Also known as Vallabh Sagar, this dam was constructed in the year 1972 for the purposes of irrigation, power generation and flood control. The area of Ukai dam is about 62,255 sq. km. and the water of the dam is spread about 52,000 hectares. Only 5 projects of Gujarat are considered to be the prime sources of water across the state, namely the Dharoi, Dantiwada, Kadana, Ukai and Sardar Sarovar. These five Dams of Gujarat also have major national importance.

Storage Capacity of Ukai Dam
The storage capacity of Ukai dam is almost 46% of the total capacity of all the other existing dams in Gujarat. Thus it can be concluded that the rest of the dams have as little as 0.1% average storage capacity. Ukai Dam is thought to be one of the mega projects in Gujarat. During last 40 years, the actual irrigation potential is attained through all the major and medium water resources projects in the state, which comprises of only 14 million hectares.

Irrigation of Ukai Dam
Ukai dam is an earth cum masonry dam, the wall of which is almost 4,927 meter long. The earth of the dam is 80.77 meter high and the masonry dam is 68.68 meter high. The left bank canal of Ukai dam supplies water to an area of 1522 sq. km. and the right canal of it provides water to a land of 2275 sq. km.

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