27 California prepares to transform sewage into pure drinking water under new rules (archive.is) posted 337 days ago by Ahaus667 337 days ago by Ahaus667 +28 / -1 25 comments share 25 comments share save hide report block hide replies
I don't think they boil seawater. I think they pass it through some sort of membrane system.
Since that just removes salt, I assume they then have to treat it.