Mackenzie River down the spread of essential nutrients which builds up in the form of sediments, thus causing the river to become more polluted. Other smaller hydroelectric plants are located along the Snare and Taltson River tributaries, providing power to mines in the Great Slave Lake region. There have been many proposals to dam the tributaries of the Mackenzie River which would lead to further impacts on water quality and seasonal flow patterns. The Site C Dam on the Peace River, which would generate enough power for about 460,000 households, has been controversial since the 1970s, and a final decision on the
Whitesand River (Lake Nipigon) Whitesand River (Lake Nipigon) The Whitesand River is a river in Thunder Bay District, Ontario, Canada, that flows south into the northwest side of Lake Nipigon. Another river in Thunder Bay District with the same name, Whitesand River (Hewitson River), lies further southeast and flows into Lake Superior via the Hewitson River. The river begins at Selassie Lake at an elevation of . Selassie Lake is adjacent to Haile Lake, which also flows into Lake Nipigon, but via the Pikitigushi River system. The names of the two lakes are a reference to Haile Selassie I of Ethiopia. From Selassie Lake,