Get up to speed Copper and its massive water requirementsI'm invested multi-year in a couple of Canadian CU juniors, both have pit operations, but both have insitu copper. These are water works extraction technologies and they are located in arid AZ. When CU is suspended in water, it appears the water does not easily evaporate in giant out door ponds. And one of these juniors is partnered with Rio Tinto and its live bacteria CU harvesting/leaching technology so obviously needing water.
Here's an excellent article pub about 3 years ago, but still very current.
https://www.mining-technology.com/sponsored/how-less-water-can-help-fill-the-copper-supply-gap/ Much in there but want to point out the "dry stacking" (requires removing water) from wet tailings endeavor.