Areas impacted are Horse and Jockey, Forgestown, Moycarkey, Curraheen, Ballymurreen, Drumgower, Newtown and surrounding areas.
The restrictions will be in place between 10pm and 9am.
With more hot weather due over the weekend and into next week, Irish Water is appealing to customers on the Mid Galway Supply to conserve water.
Impíonn an fóntas ar mhuintir Chorcaí uisce a úsáid go spárálach
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