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Toowoomba’s $270M Dam Safety Upgrade Unveiled

Toowoomba's $270M Dam Safety Upgrade Unveiled
Image courtesy of Toowoomba Regional Council

Toowoomba, Jan. 1 – The Toowoomba Regional Council has initiated a groundbreaking project to enhance the safety of Cressbrook Dam, a critical water source for the Toowoomba Region catering to over 180,000 residents.

Toowoomba’s Cressbrook Dam Safety Improvement Project

Known as the Cressbrook Dam Safety Improvement Project, this endeavour will involve the expansion of the dam spillway, strategically designed to bolster flood resilience and safeguard landholders downstream in the Somerset Regional Council area, specifically in the Cressbrook Creek region, including Toogoolawah.

Guided by Queensland’s Department of Regional Development, Manufacturing, and Water, and following ALARP principles for flood capacity modelling, this project represents Queensland’s most significant dam safety improvement initiative to date, with an estimated cost of $270 million.

Brief details of the project

In December 2023, Seymour Whyte Constructions and SMEC Australia secured the design and construction tender, solidifying their roles as key contributors to the project.

In a collaborative effort, the Toowoomba Regional Council will work closely with the entities above to establish a Project Alliance, ensuring the successful and timely execution of the planned enhancements.


Construction activities are scheduled to commence in early 2024, with a strict deadline for completion set for October 2025. The initiative reflects the council’s commitment to the safety of the region’s water infrastructure and the well-being of its residents.

For more detailed information on the Cressbrook Dam Safety Improvement Project, you can contact the project team via email at or by calling 131 872.