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
Lake Creek (Siuslaw River) Lake Creek (Siuslaw River) Lake Creek is a major tributary of the Siuslaw River in Lane County in the U.S. state of Oregon. On average, the long creek contributes about a third of the lower Siuslaw's water volume. Beginning near Prairie Mountain near the Lane–Benton county border in the Central Oregon Coast Range, Lake Creek flows generally southeast through the Siuslaw National Forest to the vicinity of Horton, then southwest through the communities of Blachly, Triangle Lake, Greenleaf, and Deadwood. It enters the Siuslaw River at Swisshome, by water from the larger stream's mouth on the Pacific Ocean at Florence.