The drought that's plaguing the Golden State is into its fourth year. That's long enough for you to have soaked up plenty of knowledge about the river-shriveling dry spell.
You probably think you know it all about the drought. Well, let's hope your knowledge is deeper than the state's water supply...
Local news from across Southern California
Do You Really Understand California's New Mandatory Water Restrictions?
Your Neighbors Probably Think You Should Be Saving More Water
How Water Smart Are You?
So You Think You Know About California's Drought?
CLICK HERE: Complete coverage of California's drought