LAHORE: Water level at Tarbela dam on Indus River is likely to hit rock-bottom by end of month as its level is being receded to allow work on a tunnel as part of hydropower project, it was learnt on Saturday.According to water report issued by the Water and Power Development Authority , level of Tarbela dam on February 20 was recorded at 1,423.69 feet compared to the dead level of 1,392 feet, showing just about 30 feet of storage available to meet demand of winter crops. The available live...