Summerhill Water Main Replacement

National Leakage Reduction Programme

Irish Water, in partnership with Dublin City Council, is replacing ageing water mains on Summerhill, Dublin 1 to provide a more reliable water supply, improve water quality and reduce high levels of leakage.

The works will take place between Portland Row and Rutland Street Lower. These works are being carried out as part of Irish Water’s National Leakage Reduction Programme. The works will be carried out on behalf of Irish Water by GMC Utilities Group Ltd. and are expected to be completed in three weeks.

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


  • The works involve the replacement of 350 metres of old cast iron water mains with high density polyethylene (plastic) pipes on Summerhill, Dublin 1 are scheduled to commence on the 10 June 2019
  • 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
  • Areas of work will be limited to short sections to minimise impact on customers
  • Traffic management will be in place during this time