Irish Water say the substance isn't dangerous if consumed through water.
There are more than 5,100 kilometres of asbestos water pipes in Ireland.
According to details released under the Freedom of Information Act, 22 per cent of them are in Cork.
The substance can cause cancer if inhaled, but Irish Water says not if you consume it through drinking-water.
Westmeath Environmental consultant Jack O’Sullivan is calling for the utility to make sure the asbestos pipes are in good order: