USA
Lake Mead: Mechanized
Tunnelling under high Pressure
Las Vegas the famous Nevada resort city with its casinos and entertainment-business, draws 90 percent of its water from Lake Mead. This largest reservoir in the United States is fed by the Colorado River. The areas around Las Vegas, however, are taking more from the lake than flows into it as snow melt and rain water from the Rocky Mountains. During the 14 years of drought, the water level has dropped by 35 m. The two existing water intakes for the Las Vegas Valley are in danger of running dry, and Intake No.1 could be at risk as early as this summer. It is now only 24 feet (7 m) below the...
