This is the specific water pollution issue: https://www.protectouraquifer.org/issues/xai-supercomputer

The plan was to develop a recycled wastewater facility, which will pull arsenic from contaminated shallow acquifers, and pump that into the drinking water supply's acquifers.

> Data centers can inadvertently pollute water through chemical runoff from evaporative cooling systems, including biocides, corrosion inhibitors, and heavy metals that accumulate at scale when facilities discharge up to 5 million gallons daily.

Source: https://www.datacenterknowledge.com/sustainability/4-strateg...