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 Letnick of the BC Liberal Party since May 2009. The next provincial election is scheduled for May 2017. Federally, Lake Country is part of the riding of Kelowna—Lake Country. Despite the similarity in nomenclature, the federal riding encompasses a greater area and population than its provincial counterpart. Stephen Fuhr of the Liberal Party was first elected as MP in October 2015. Public education in Lake Country is provided by School District 23 Central Okanagan. Three elementary schools are located in the Municipality: Davidson Road Elementary, Oyama Traditional School, and Peter Greer Elementary. All three cover Kindergarten to Grade 6. Lake