Lake Superior the Soo Locks. Lake Superior is the largest freshwater lake in the world in area (if Lakes Michigan and Huron are taken separately; "see Lake Michigan–Huron"), and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish; though presently isolated, prehistorically the Caspian has been repeatedly connected to and isolated from the Mediterranean via the Black Sea. Lake Superior has a surface area of , which is approximately the size of South Carolina or Austria. It has a
Lake Eber has been mostly dried up. Up to 1992, the most important problem was water pollution. However, in 1992 the lake was declared as Natural Protected Area. (). and it is slowly recovering. In October 2018 it was reported that the lake had dried out completely. http://www.hurriyetdailynews.com/photo-one-of-turkeys-largest-freshwater-lakes-dries-up-completely-due-to-drought-138057#photo-12 Lake Eber Lake Eber is a fresh water lake in Afyon Province, Turkey. The lake is between the district centers of Çay, Bolvadin and Sultandağı of Afyon Province. The midpoint is at about . The altitude of the water surface with respect to sea level is . The surface area fluctuates and at times