Islamabad: The threat of aggravating water crisis in country is looming large. Waters reservoirs in 2 dams has been left for only 15 days. According to ministry of water resources emergency steps will have to be taken to prevent wastage of water in all over the country. Water reservoir in Tarbella and Mangla dam is only 12lac acre feet. Water reservoir in Tarbella is 673000 acre feet while in Tarbella water reservoirs is 543000 acre feet.