Man-made Disaster! Lake Mead’s Darkest Secret Is Now Exposed : It’s Not What You’re Being Told! REALITY CHECK WARNING! What if we were to tell you the Lake Mead’s current low water levels were a result of man-made interference rather than climate change? If your head just exploded, move onto a Greenpeace video or Al Gore speech. If not, then sit back and let’s explain what is really DRAINING Lake Mead; it’s not what you’re being told!