Irishtown Water Main Replacement

National Leakage Reduction Programme

Irish Water, in partnership with Dublin City Council, is replacing ageing water mains in Irishtown, Dublin 4 to improve security of supply and reduce high levels of leakage.

The works involve the replacement of approximately 3.4 kilometres of problematic cast iron water mains with high density polyethylene (plastic) pipes. The programme in Irishtown, Dublin 4 is scheduled to commence in early September 2018. These works are being carried out as part of Irish Water’s national Leakage Reduction Programme. The communities to benefit from these improvement works are:

O’Connell Gardens Cambridge Court (Apts) Malone Gardens Bath Avenue Gardens
Derrynane Gardens O’Rahilly House (Flats) Ennis Grove Thorncastle Street
Pembroke Cottages Cambridge Square Cambridge Road Fitzwilliam Street

The works will also involve laying new water service connections from the public water main in the road to customers’ property boundaries and connecting it to the customers’ water supply. Where the existing service connections on the public side are lead these will be replaced as part of this improvement work.

The works will be carried out on behalf of Irish Water in partnership with Dublin City Council by GMC Utilities Group Ltd. and are expected to be completed by the mid October 2018.

Leakage Reduction


​A Reliable Water Supply

  • Replacement of water mains and service connections will reduce the instances of bursts and water outages and will ensure a reliable supply of water to customers and local businesses in the area

Improved Water Quality

  • Replacing existing old cast iron and lead from the public water network with new modern pipes will reduce the risk of contamination

Reduced Leaks

  • Replacement of water mains and service connections will eliminate existing leaks and reduce the amount of clean drinking water lost into the ground

Improved Operation and Maintenance

  • These works will deliver cost savings by providing improved water network operation that will require less maintenance in the future