this post was submitted on 22 Jun 2026
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A Boring Dystopia
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Why? What happens?
The water used in datacenter cooling has PFAS added to prevent corrosion.
I haven’t heard that before, where can I learn more about this? Also wouldn’t that be true of all power generation plants as well? (Except wind and solar of course.)
Isnt that water evaporated? Does PFAS stick around steam?
The majority are low volatility and stay in the plumping, and a certain amount of the water that goes through the evaporators (a little under a tenth generally, I think) is flushed through (usually into the local water treatment system) with as a more concentrated solution. Some PFAS are volatile enough to ride the water vapor up and eventually fallout again.
Edit: I forgot, some types still legal in the US are volatile enough to not fallout, and instead become strong greenhouse gases.
Apparently the F in PFAS is for flourine, which doesn't evaporate off with the water. PFAS stay behind.
Not in my building. We use closed-loop, RO, continuously filtered, deionized water. Like all of the others my company runs.
Whats your source?
Most recently, the EESI, but The Guardian started reporting on it last year.
Did you read your sources? They talk about fire suppression and manufacturing, not cooling.
According to those articles, the water-cooled systems don't uses pfas.
Good comment for asking for source. Also good on them for delivering.
Also glad the source didn't support the claim
Glad someone actually read those sources since I clearly didn't 😂👌