How do I know where recycled water is used?
In Australia, recycled
water plumbing and taps are identified by their colour. Generally, Australian
design standards (AS/NZS 3500.5:2000) require all plumbing outlets, and in most
cases pipes, to be marked with the colour lilac/light purple and the words:
“RECYCLED WATER — CAUTION NOT FOR DRINKING” or similar as approved by the
relevant state authority.
Examples of the
purple/lilac plumbing to denote use of recycled water.
Note: if the water is
treated to a level so it is fit for the purpose of drinking, no signage is
required.
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