As has already been said it will vary between Water Authorities and depend on the type of ban they introduce.
With South East Water there are exemptions if you are dependent on water for your primary business function and are providing a commercial service to the public - at the moment under the hosepipe ban.
With South East Water there are exemptions if you are dependent on water for your primary business function and are providing a commercial service to the public - at the moment under the hosepipe ban.