€28 million is being spent on saving 1.6 million litres of water a day in the Dublin region.

Irish Water is replacing 73 kilometres of pipes which are more than 85 years old.

It is part of a national overhaul of the network aimed at improving supply and reducing leaks and wastage.

Around 200 kilometres of pipes have already been upgraded across the country.

Irish Water's Jerry Grant says there are huge problems with the old pipework: