HEAR MORE: You could be drinking contaminated water and not realise it

E.Coli was found in 51 private water supplies serving commercial buildings like hotels, creches and nursing homes last year.

That's according to the Environmental Protection Agency which found private wells are poorer than public supplies and could pose a serious public health risk.

County Cork had the highest number of ‘regulated private supplies’ not monitored for E.coli, followed by Co Westmeath, Co Tipperary, Co Galway, Co Cavan and Co Kerry. Meanwhile, County Monaghan was not on the list.

Michelle Moynaghan from the EPA joined Caroline Gauley on The Wider View to discuss and started by explaining why this is shocking news: