Manx Utilities says a large number of homes in Peel will be without water one night this week.
It is carrying out an essential water mains diversion in the Glenfaba Road area.
Beginning on Tuesday night at 11pm, Manx Utilities said the work should take up to four hours.
It said: ‘Unavoidably there will be no water supply or low pressure to a large number of properties in Peel during this time.
“We hope to reduce impact by performing works overnight and thank you for your understanding.”