Residents in the Crumlin area experienced a disturbance to their water supply while Northern Ireland Water were carrying out work.
They said that the repair work was affecting customers in the Cidercourt, Hartswood areas on Wednesday.
Customers were advised that if they were still experiencing a loss of water supply or a drop in pressure to contact their customer helpline. NI Water would like to thank customers for their patience while the essential repair work was carried out.
Anyone still experiencing problems is asked to ring 08457 440088.