Recycled water pipes
Recycled water is delivered through purple pipes, a distribution system that is completely separate from the drinking water infrastructure.

Irvine’s famous purple pipes


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.

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