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
Lake Country (2006-2011): 21.9% Land Area (square km) : 122.19 Age Immigration Aboriginals & Visible Minorities Income Religion Municipal elections were last held on November 15, 2014. At that time, James Baker was elected mayor for a fourth term. Representing the four wards of the municipality are Blair Ireland (Okanagan Centre), Matt Vader (Carr's Landing), Rob Geier (Winfield), and Owen Dickie (Oyama). The two councillors at large are Bill Scarrow, and Penny Gambell. The next round of municipal elections is scheduled for November 2018. Provincially, Lake Country is part of the constituency of Kelowna-Lake Country, this seat having been occupied by Norm