Parts of Olveston will be without water for much of today.
Maintenance work is being carried out on The Green, Olveston.
A spokeswoman for Bristol water said: "You may notice a disruption to your supply tomorrow from 9.30am for around six hours.
"We are sorry for any inconvenience this may cause.
"It might be a good idea to fill your kettle and some containers for drinking, cooking and washing."
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