Drinking water in Longford is safe to consume according to Uisce Eireann.
The statement follows a number of messages circulating in the community claiming water supplies in the county had been contaminated.
Irish Water have confirmed that no issues have been detected in local treatment plants, with regular testing conducted on the supply.
Messages circulating via Whatsapp and Facebook over the weekend saw many switching to bottled water having fallen victim to the fake alert.
The utility is urging anyone with concerns or questions regarding water quality or supplies to contact them online or by email.