Onega Canal Onega Canal The Onega Canal () is a canal that runs along the southern banks of Lake Onega in Vytegorsky District of Vologda Oblast and Podporozhsky District of Leningrad Oblasts in Russia. It was built 1818 - 1820 and 1845 - 1852 as a part of Mariinsk Canal System, to allow small riverboats to avoid Lake Onega, where storms are frequent and where many boats had perished through the centuries. The canal is long and runs between the Vytegra River in the east and Svir River in the west. It is around wide, and lies between and from the shores
Lake Onega dace, silver bream, carp bream, sabre carp, spined loach, wels catfish, European eel, rudd, ide, gudgeon, pike-perch, European perch, ruffe and burbot. Whereas the area of the lake used to be clean, the pollution level is gradually increasing, especially in the northwestern and northern parts which contain the industrial facilities of Petrozavodsk, Kondopoga and Medvezhyegorsk. About 80% of the population and more than 90% of industry of the basin are concentrated in these areas. The pollution from these three cities amount to about of sewage and drainage water and of emissions per year. Human activity results in about of drain