Irish Water says its Do Not Consume Notice for customers supplied by the Barndarrig Public Water Supply, remains in place.
The notice was first issued on the 9th of February and affects 213 residences from Barndarrig village to parts of Kilbride.
It followed elevated levels of nitrite being detected in the water supply.
The water is not safe for consumption or for the preparation of foods but can be used for hygiene and use in washing machines and dishwashers.
An alternative water supply remains in place for customers impacted by the notice, with bottled Water available at the car park opposite Barndarrig Church.
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