Manx Utilities is advising residents after receiving reports of a hoax notice.
It says a 'boil notice' has been sent to some customers via e-mail under the name of 'Isle of Man Water & Sewerage Authority' - which no longer exists.
The organisation says there's no issue with water quality and no notice has been issued.
It's added if you receive this message to disregard and delete it.
Can the government earn its Stripe?
An Onchan MHK will quiz the Island's enterprise minister about bringing a payment processing company to the Island.
Houses plan for former nursing home
A former nursing home in Douglas, which was to be converted into more than 30 apartments, could now be transformed into townhouses.
New Wetherspoons to open at 8am every day
The Island's new Wetherspoons will keep its later opening hours - and open from 8am every morning.
Dozens of telegraph poles needed for Peel fibre network
Manx Telecom says it wants to put up dozens of new telegraph poles in Peel as it rolls out its fibreoptic broadband network.
Homestay deadline runs out next week
Time's running out if you want to rent your home to TT visitors this year.
Hill climb shuts part of TT course
Part of the TT course has shut for four-wheeled motorsport action today.
Manhole work to shut part of busy Douglas road
Part of the New Castletown Road will shut in July for work on manholes.
Waterstones cafe to shut
A Douglas coffee shop will be serving its last cuppas this weekend.
