The Colorado reservoirs are what seem to be hurting. How much water is getting diverted up in Colorado for wheat, hay, and marijuana cultivation?
We already know that government isn't the solution. They will beat the "running out of water" drum for votes and milk it for all it's worth until people are dropping dead, and then come up with some half assed solution that enrichens their fellow elites but only works half the time. What they really should be doing is taking Israel's lead and building a few state-of-the-art desalinization plants on the Pacific Coast and piping the water to storage in Vegas and Phoenix. Pipeline some to Lake Powell if they could agree on it's utility as a tourist destination.