Training GPT-3 used 700,000 liters of clean freshwater, but such information has been kept a secret.
https://arxiv.org/abs/2304.03271
An average ChatGPT interaction can use a half liter of water.
https://news.ucr.edu/articles/2023/04/28/ai-programs-consume-large-volumes-scarce-water
"ChatGPT is not a necessity for human life, and yet we are literally taking water to feed a computer."
https://futurism.com/critics-microsoft-water-train-ai-drought