Lake Mead Water Temps

Water-Quality Monitoring

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Lake Mead on the Colorado River is one of the most intensely used reservoirs in the western United States, providing recreational watercraft activities and domestic drinking, industrial, and irrigation water for over 22 million users. The quality of this water must be maintained to guarantee a reliable and safe resource for its many uses. Inflow into Lake Mead primarily is from the Colorado River; however, about 3 percent of the inflow is from tributaries on the northern side of the Lake and from Las Vegas Wash on the northwest side of the Lake.

Map of Lake Mead Data Collection Sites

For more information on each bay choose one below: