http://www.newsweek.com/colorado-river-drying-reservoirs-deadpool-1778254

The Colorado River is one of the most important in the Southwestern United States. But its water levels are rapidly declining and are the lowest they have been in a century.

The river starts in Colorado's Rocky Mountains and flows all the way down to the Gulf of California. The river also feeds into major reservoirs, such as Lake Mead, which is in Nevada and Arizona and was formed by the Hoover Dam, and Lake Powell, which is in Arizona and Utah and was formed by the Glen Canyon Dam.