Following consultation with the Health Service Executive (HSE), Uisce Éireann and Mayo County Council have issued a Boil Water Notice to protect the health of approximately 160 consumers supplied by the Clare Island Public Water Supply Scheme. This follows the detection of cryptosporidium in the water supply. Uisce Éireann and Mayo County Council are issuing this Boil Water Notice with immediate effect.

A map of affected areas available to view on the supply and service section of

All consumers affected by this notice must boil their water before drinking.

Water must be boiled for:

  • Drinking;
  • Drinks made with water;
  • Preparation of salads and similar foods, which are not cooked prior to eating;
  • Brushing of teeth;
  • Making of ice - discard ice cubes in fridges and freezers and filtered water in fridges. Make ice from cooled boiled water.

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