Context: After 46 years, the water level of Ukai dam in the month of June stood at 319.86 feet, indicating that there won’t be shortage of water supply even if the rainfall this year is poor, according to the authorities.
Key Points

• Water from Ukai dam is supplied for irrigation, drinking and industry purposes in Surat, Ankleshwar, Tapi, Navsari and Valsad districts. 
• The dam authorities claim that even if the rainfall is poor this year, there would be no shortage of water supply.

About Ukai Dam

• It is the second largest reservoir in Gujarat after Sardar Sarovar Dam.
• It is built on Tapi River which is also known as Vallabh Sagar.
• Water from Ukai dam is supplied for irrigation, drinking and industry purposes in Surat, Ankleshwar, Tapi, Navsari and Valsad districts.
• It is an earth-cum-masonry dam which was constructed in 1972.

About Tapi River

• It is one of the three peninsular Rivers in India that flow in an east to west itinerary and the other two rivers are the Mahi River and Narmada River.
• It originates in the eastern portion of the Satpura Mountain Ranges in south Madhya Pradesh.
• It pours into the Gulf of Cambay in the Arabian Sea in the district of Surat in Gujarat.
• The Tapti River, together with the adjacently running Narmada River in the north, create the borders between North and South India.
• The Sahyadri Range or the Western Ghats Mountain Range begins south of the Tapi River close to the boundary of Maharashtra and Gujarat.
• Girna River, Purna River, Panzara River, Bori River, Waghur River and Aner River are the major tributaries of the river.