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Mooloolah River Flood Study

Defining design flood behaviour to support future community growth

  • $106K

    Project Value

  • 215

    Square Kilometres

  • Sunshine Coast, Queensland

    Sunshine Coast, Queensland

A practical flood study to inform planning

Planning for community growth and urban development requires an understanding the natural environment. The Sunshine Coast Council sought the knowledge of our Water Resources team to develop a flood assessment and stormwater management plan of the vast Mooloolah River catchment area in the Sunshine Coast region.

Covering an area of more than 215 square kilometres, our team needed to use different modelling techniques to capture information, defining flood levels, tailwater conditions, and outlet configurations. We used four calibration events for URBS and TUFLOW modelling and Duration Independent Storm (DIS) data to define the potential flood levels in the catchment area. Additionally, we used data from Australian Rainfall & Runoff (ARR) to conduct the sensitivity analysis. At the Mooloolah Gauge, we looked at a revised flood frequency and the impacts downstream.

The resulting flood study gives the Council an informative source to help define flood levels throughout the catchment area. They adopted the plan as part of their land development and emergency systems planning, which includes potential impacts of climate change on this coastal region.

At a Glance

Offices
Client
  • Sunhsine Coast Council
Meet Our Team

Zac McCosker, Senior Flooding and Stormwater Engineer

I have a strong interest in designing solutions to existing industry problems.
Zac McCosker Senior Flooding and Stormwater Engineer Read More

Zac McCosker

Senior Flooding and Stormwater Engineer

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