Parts of central and south Trinidad are affected by the shutdown of the Point Lisas Desalination Plant.
A release from the Water and Sewerage Authority stated that the plant was shut down to facilitate emergency repair work.
Owner and operator of the plant, the Desalination Company of Trinidad and Tobago said that the company expects to complete repairs and commence ramping up supplies to the authority by 10 am on Sunday.
Customers in the affected areas are advised that it may take up to 48 hours for the supply to normalise: Caroni, St Helena, Charlieville, Chaguanas, Cunupia, Carapichaima, Couva, Claxton Bay, Marabella, Gasparillo, San Fernando, Cocoyea, Union Hall, La Romaine, Woodland, Palmiste, Phillipine, Rambert Village, South Oropouche, Fyzabad, Avocat, Siparia, Penal, San Francique, Rousillac, Aripero, La Brea.
A limited truck-borne water service will be available with priority given to special homes, health care and educational institutions.
For further information or assistance, customers are asked to contact WASA's Customer Call Centre toll free at 800-4420/26.
The authority apologises for the inconvenience.