You keep using this word "used", I do not think it means what you think it means... Fresh water is one of those strange things, where consumption is not necessarily destruction. You 'used' a glass of water that you drank this morning, then excreted it over the rest of the day as urine and water vapor where it became an input for another part of the cycle. The water did not go away when you consumed it, and in this ca…
A quick search for 'global aquifer depletion' yields
"Scientists had long suspected that humans were taxing the world’s underground water supply, but... major aquifers [are] indeed struggling to keep pace with demands from agriculture, growing populations, and industries such as mining." ... "The situation is quite critical" (https://www.washingtonpost.com/news/wonk/wp/2015/06/16/new-n...)