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Is the water from the tap/faucet in an area hard or soft or safe to drink etc?

81 votes

What does the "non-drinking water" sign indicate about water quality in the UK?

Commonly in the UK, cold water may be stored in open (or roughly covered) tanks in the roofspace. Such water, while it will have been drinkable mains water when it arrived is considered non-potable a …
Mark Perryman's user avatar