Largest US reservoir hit lowest point since 1937: Hoover Dam power supply in question

Lake Mead, the largest man-made lake and the largest reservoir in the United States, is dropping at an alarming rate, down 130 feet since 2000.

Drought-stricken Lake Mead falls to a level not seen since 1937 - News - ReviewJournal.com

Hoover Dam, the construction of which created Lake Mead, produces a power supply which will become threatened if the water level drops another 45 feet.

Lake Mead is the source of Water to the Las Vegas valley.