When Southern California needs water, it takes a big gulp from the streams and waterways of Northern California.
One of those is the Sacramento-San Joaquin Delta, and a multi-billion dollar plan years in the making could overhaul how we get our water from there.
And officials have announced that it will make a decision on that plan by September.
Jeffrey Mount, senior fellow of the Water Policy Center at the Public Policy Institute of California, joins Take Two to explain what's at stake.