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
Cass River (Mackenzie District) Cass River (Mackenzie District) The Cass River is an alpine river in the Canterbury Region of the South Island of New Zealand. It rises in the Hall Range immediately below Rankin Pass, and also receives water from the nearby Huxley Glacier. After dropping very rabidly the river flows south with braided channels along a flat-bottomed valley for . The Leibig Range and Gamack Range are to the west, and the Haszard Range to the east. The river flows into the west side of Lake Tekapo where it has built up a gravel delta. The Cass River is named for Thomas