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Comment by adastra22

1 hour ago

The water isn’t actually used. It is slightly warmed.

In some cases chemicals are added to the water to increase cooling efficiency.

This is a choice, alternative approaches do exist but we should definitely not assume that datacenter water usage is _always_ benign.

  • In the Nebraska system, the water goes into the municipal waste channels and is treated like any other municipal wastewater, so the chemical additives are handled.