I recall a video by asianometry stating that best case water re-use is about 70%. That will be rough in the desert.

Agriculture and municipal uses much more water than industry in AZ. Shockingly even with the population growth total state water use hasn’t increased due to conservation efforts. https://www.azcentral.com/story/news/local/arizona-environme...

Intel is funding a bunch of water projects in Arizona with the goal to be net postive in water use: https://www.intel.com/content/www/us/en/environment/water-re...