The largest reservoir in the United States has tumbled to a record low level as drought, extreme heat, a dearth of snow and a heavy water demand imperil the Colorado River system.
Lake Mead, the largest reservoir in the United States, has fallen to a record low — yet another sign that the Colorado River system is spiraling further into crisis.
Water levels on Thursday in Lake Mead dropped to 1,040.5 feet, below the previous re... [4602 chars]