Anonymous ID: 35b9af Dec. 7, 2025, 8:20 a.m. No.23952261   🗄️.is 🔗kun

Irvine pioneered recycled water in the 1960s. It even invented the purple- colored pipe to distinguish recycled from drinking water supplies. This color – Pantone 240 and 241, to be exact – is now used around the world, including Israel, South Africa and Australia.

 

https://epiccleantec.com/blog/the-history-of-recycled-waters-purple-pipe-color