When full, the lake — straddling the Nevada-Arizona state border that was formed with the construction of the Hoover Dam during the Great Depression of the 1930s — has a surface elevation of more than 370 meters above sea level. It provides crucial water to the two states and also California, including Los Angeles, the country’s second-biggest city.
But the Lake Mead level has been falling during the extended drought that has parched farmlands in the west and led to water rationing. In the last week, the recorded lake level fell to 327 meters above sea level. READ MORE OF THIS STORY