Ohio State University is going to refill Mirror Lake using water from an underground well. Crews are pumping water from the well into the campus lake that has been empty since it was drained in December to look for a new source of water. The school says it took 50 thousand gallons of water a day to keep it filled. Studies of water from the recently drilled well show it is a safe alternative to the city water previously used.The lake will fill up over the next week.