The signs shall comprise a white rectangle with black enclosure and white surround with the DANGER symbol on a black background placed above or to the left of the white rectangle (see example below).

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Warning signs for non-potable waters are designed to alert users and the general public about the hazards of non-potable water or situations affecting health and safety.

Emergency information signs shall comprise a white symbol or worded legend, or both, on a green rectangular sign with white enclosure (see examples below).

Signs in this category are of a special design which incorporates the word DANGER in white letters on a red symbolic oval shape.

The use of symbols is preferred as they are easily understood for people who may be exposed to non-potable water including:

All fixtures and piping carrying non-potable water shall be purple in colour in accordance with Australian Standard AS 2700.

Danger signs have words only and messages that can only be classified as warnings of hazards and it is recommended when sewage is used.

Symbols shall include the recommended international public information symbol for drinking water with the regulatory prohibition overlay in red.