Mechanical and operational issues at the Teeranea/Lettermore water treatment plant have resulted in a Boil Water notice being issued.

This was announced after the public water supply was affected by elevated levels of turbidity.

The Health Service Executive, Irish Water and Galway County Council issued a precautionary Boil Water Notice to protect 911 consumers on the Teeranea/Lettermore Public Water Supply and the Lettercallow Group Water Scheme.

Turbidity is a measure of the cloudiness of water. Certain water supplies can be prone to increased levels of turbidity after heavy rain, or because algae has grown in the water source or because material such as sediment in the water mains has been disrupted.

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Irish Water drinking water compliance and operational experts are working with colleagues in Galway County Council to resolve this situation as soon as possible.

In the meantime, all customers of this supply are advised to boil water before use until further notice.

Commenting, Tim O'Connor, Irish Water's Asset Operations Water Lead said: "We are aware of the impact that this notice will have on the area affected. We advise customers of the Teeranea/Lettermore Public Water Supply and the Lettercallow Group Water Scheme to adhere to the Boil Water Notice until further notice. We will continue to work closely with Galway County Council and the HSE to monitor the plant and lift the notice as quickly as it is safe to do so and safeguard the supply for the future. We will issue a further update as soon as more information is available."

(CM/JG)