Landmark project puts Cork on course to end discharge of raw sewage into harbour

The project connects sewage pipes from Cobh to Monkstown and involved two of the longest horizontal directional drills ever carried out in Ireland.

Successful completion of Cobh to Monkstown Estuary Crossing Contract – as Irish Water works towards ending discharge of raw sewage into Cork Lower Harbour. The route of the underwater pipeline from Monkstown to Cork Dockyard in Cobh

Sewer pipes have been installed under the river Lee estuary, linking Cobh and Monkstown, marking a key milestone in a project designed to end the discharge of raw sewage into Cork Harbour.

The landmark engineering feat involved two of the longest horizontal directional drills ever carried out in Ireland.