NI Water is set to begin a major £5 million programme of work in the New Year to upgrade the wastewater network in Killinchy County Down.
The major investment will see extensive improvements to Whiterock and Inisharoan Wastewater Pumping Stations (WwPS), along with upgrades to the associated sewer network. Additional stormwater storage will also be built into the system to help reduce flood risk and protect the environmental integrity of Strangford Lough.
Speaking about the project, Sean Milligan, NI Water Senior Project Manager, said:
“The £5 million programme of improvements will begin with the installation of a new pumping main between Inisharoan Wastewater Pumping Station and Killinchy Wastewater Treatment Works. Pipelaying is planned to start on Whiterock Road, south of Inisharoan, on Monday 5 January 2026.
““NI Water will provide updates and liaise with residents regarding additional traffic management measures required to complete the pumping station upgrades.”
“NI Water’s project partners, Murphy Dawson WAM and Tetra Tech RPS are carrying out the work.
The pipelaying work is expected to take approximately four months. The water company’s contractor, Murphy Dawson WAM, will liaise directly with residents and businesses regarding access as the work progresses.
The new pumping main will strengthen the wastewater network in the area and provide reliable infrastructure to support upgrades to the local pumping stations which are currently planned for spring/summer 2026.
When complete in winter 2026, the full programme of work will improve the long-term resilience of the local wastewater system and provide enhanced environmental protection – particularly for Strangford Lough – in the face of climate change and heavier rainfall. To accommodate future development in the area, further improvements will be required to modernise Killinchy Wastewater Treatment Works. This work is subject to funding and approvals.
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