The Great Keppel Island (Woppa) Wastewater Treatment Plant project is a key deliverable of the Great Keppel Island (Woppa) Concept Master Plan and will deliver common user infrastructure on Great Keppel Island.

The new wastewater treatment plant is set to transform the island’s infrastructure, ensuring it can continue to thrive as a key destination for tourism and regional development.

The project will deliver a membrane bioreactor plant producing class A effluent, sized for 480 equivalent persons. An amenities block half-way along Fisherman’s Beach is also being constructed.

Completion of the first stage of the wastewater treatment plant project will have sufficient capacity to service the Great Keppel Island Hideaway resort, Great Keppel Island Holiday Village, new visitor amenity blocks and northern freehold allotments on Fishermen’s Beach, with capacity for future growth.

February 2026 Project Update

Construction continues to progress on the Great Keppel Island (Woppa) Wastewater Treatment Plant, with significant groundwork now complete and major infrastructure deliveries scheduled for later this month.

The project’s appointed contractor, Pensar, has completed a substantial portion of trenching and site clearing works, marking an important milestone in preparation for the next stage of construction.

In late February, the Membrane Bioreactor (MBR) plant is scheduled to be delivered to the island by barge. Once on the island, the MBR will be transported to the wastewater treatment plant site, where installation and connection works are planned to commence in March.

These works form part of Council’s broader program of infrastructure investment on Great Keppel Island, supporting improved environmental outcomes and long-term sustainability for the island community and visitors.

Diagram of the Great Keppel Island sewage network and inset diagram of the sewage treatment plant layout

Diagram of the Great Keppel Island wastewater network and inset diagram of the sewage treatment plant layout.

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