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Lake Tahoe

Lake Tahoe is one of the deepest (1645 feet/501 m), largest (192 sq. mi./497 km^2), highest (6229 feet/1898 m), and bluest lakes in the United States. Only Oregon's Crater Lake is bluer and deeper at 1930 feet. Lake Tahoe is in the Sierra Nevada mountains, on the border between California and Nevada, with approximately two-thirds of the shoreline in California.

Although Lake Tahoe is a natural lake, it is also used for water storage by the Truckee-Carson Irrigation District (TCID). The lake level is controlled by a dam at the lake's only outlet, the Truckee River, at Tahoe City.

In northern Nevada, we depend on Lake Tahoe for most of our drinking water. Water in Lake Tahoe comes from snow melt and rain in the Sierra Nevada Mountain Range. The remaining part of our drinking water is ground water.


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