What does the Not drinking water symbol look like?

Red prohibition ring and diagonal bar over a black tap above a glass of water. It is also called “P005”, “do not drink”, “non-potable water”, “not drinkable” and “tap and glass crossed out”.

Not drinking water symbol: red prohibition ring and diagonal bar over a black tap above a glass of water — ISO 7010-P005

Sign type set by Directive 92/58/EEC (Annex II) and the UK Health and Safety (Safety Signs and Signals) Regulations 1996 (Schedule 1); pictogram drawn to ISO 7010, which both allow.

Download .SVG Download .PNG

Our redrawing · free to use, credit appreciated

Prohibition signs Safety and compliance marks Safety signs (ISO 7010)

Not drinking water

Red prohibition ring and diagonal bar over a black tap above a glass of water. · also called “P005”, “do not drink”, “non-potable water”, “not drinkable”, “tap and glass crossed out”

What the Not drinking water symbol means

Water is not safe to drink

The water from this tap or outlet is not drinking water. Do not drink it or use it to fill drinking vessels or bottles.

Source · Standard ISO 7010 Graphical symbols — Safety colours and safety signs — Registered safety signs · checked Nov 11, 2026

Where it appears

Prohibition signs

ISO 7010
—This meaning

Questions about the Not drinking water symbol

What does the Not drinking water symbol mean?: The water from this tap or outlet is not drinking water. Do not drink it or use it to fill drinking vessels or bottles.
What does the Not drinking water symbol look like?: Red prohibition ring and diagonal bar over a black tap above a glass of water. It is also called “P005”, “do not drink”, “non-potable water”, “not drinkable” and “tap and glass crossed out”.
Which standard defines the Not drinking water symbol?: It is listed as ISO 7010-P005.

Checked against the source · Nov 11, 2026 · How we verify

All prohibition signs →