Lake Tahoe Preservation Efforts
History of the Tahoe Regional Planning Agency
Lake Tahoe is a large alpine lake located in the northern Sierra Nevada mountains. The lake is unique, both aesthetically and ecologically, because of its size, depth, and the astounding clarity of its water. Indeed, it is one of the clearest large lakes in the world. The unusual clarity of Lake Tahoe results from the fact that it historically was very low in nutrients and lacking a steep temperature gradient that would prevent deep circulation and mixing. Since mid-century, however, the lake has been undergoing a process by which the nutrient loading in the lake increases dramatically, due to nitrogen…
