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
Learn about the application process and apply for a connection to the water services network.
Use this form to report issues on public property, including leaks, damaged water lids or flooding.
Find out more and have your say
Learn how to check for a leak and find out how we are repairing network leaks across Ireland
This initiative helps Irish businesses to evaluate their water use and make changes
Find out why you may experience no water, low pressure or other changes to your water supply
Irish Water