Water bosses are warning customers particularly elderly and their relatives that criminals posing as water board officials operate in North West.
United Utilities is warning people to be on the lookout against bogus callers and opportunist burglars.
A spokesman said: “Offenders call using distraction and say they are from the water board asking you to turn off the water and then steal from your property.
“These are unscrupulous conmen who are taking advantage of people’s trusting nature. “Our message is very simple.
“All our staff carry an identity card.”
Check they are for real by calling customer enquiries on 0845 746 2200.