https://www.energy.gov/sites/default/files/2025-01/final-fonsi-ea-2251-rivian-stanton-springs-north-2024-12.pdf#page26

Does mention it is passed to a treatment facility, some is treated on campus, and other is stored.

So according to epa report it was not expected to affect local groundwater.

I thought I found something earlier that alluded to it, but Lemmys on my phone and doing any real research is always annoying on it. I can try to find something. I know they do release very significant amounts of wastewater though. But whether that’s all back on public utilities or how it’s but back in the ground is unclear. I’ll see I can find anything specific.