Yes the western states have been in a long-term dry period. Emphatically so. Yes better conservation efforts are needed. (And I believe a new water pipeline)
I'll also add this:
-Arizona, Utah and western Colorado just concluded one of the wettest Monsoon seasons of the past fifty years
-Even after the monsoon it's been above average rainfall here in Arizona and upriver of Lake Powell
-Snowpack in the Rockies is 112% of average as of today, 12/12/22 (
https://snowpack.water-data.com/uppercolorado/index.php)
Also this:
Recently California was bumped up massively in its proportion of water rights to the Colorado. There are a lot of things going on, not all with water supply.