The fix for parched Western states: recycled toilet water
If you were to drink improperly recycled toilet water, it could really hurt you — but probably not in the way you’re thinking. Advanced purification technology so thoroughly cleans wastewater of feces and other contaminants that it also strips out natural minerals, which the treatment facility then has to add back in. If it didn’t, that purified water would imperil you by sucking those minerals out of your body as it moves through your internal plumbing.
So if it’s perfectly safe to consume recycled toilet water...