Secretary of Interior Salazar thinks so-
I don’t think it will, not as the so-called conservatives in office today look at the world. However, back in the world of facts where Lake Mead isn’t far from the level of “dead pool,” there will be enormous consequences for all the Colorado River Basin states: Wyoming, Colorado, New Mexico, Nevada, Arizona, California.
Salazar: Colorado River issue could push conservatives to face climate change. By Karoun Demirjian. Las Vegas Sun
The Scripps Institution of Oceanography in San Diego places Lake Mead at a 50% chance to run dry by 2020, with its enormous power production inoperative by 2017. They gave a 10% chance it would be inoperable by 2014.