Lake Onega water per year, of which 46% are industrial and household water, 25% is stormwater runoff and 16% is melioration-related drainage. This drainage contains of phosphorus and of nitrogen; respectively of these elements are removed through the River Svir whereas the rest accumulates in the lake. Ships and motor boats (about 8,000 units) bring oil pollution at the level of about per navigation year, as well as phenols (), lead () and oxides of sulfur, nitrogen, and carbon. The lake basin is a major source of granite, marble and black schist in Russia which have been exploited in the area since
Kelowna—Lake Country in 2000 election." "Note: Canadian Alliance vote is compared to the Reform vote in 1997 election." Kelowna—Lake Country Kelowna—Lake Country (formerly known as Kelowna) is a federal electoral district in the province of British Columbia, Canada, that has been represented in the House of Commons of Canada since 1997. This district was created as "Kelowna" electoral district in 1996 from a portion of Okanagan Centre riding. In 2003, it was renamed "Kelowna—Lake Country". The 2012 federal electoral boundaries redistribution concluded that the electoral boundaries of Kelowna—Lake Country should be adjusted, and a modified electoral district of the same name will