Revised Flood Studies
Revised Flood Study: Jandowae
In July and August 2025, we asked Jandowae residents to take a look at the existing flood study reports and share their local knowledge to make sure the new models match what really happens during flooding events.
This input will help improve the accuracy of our flood modelling and maps - and we'd like to thank everyone who shared local rainfall records, knowledge of previous flood experiences and photos of historic major rainfall events.
The updated model will also consider Jandowae Dam storage levels, what happens during significant rainfall events in Jandowae Creek's upstream catchment of around 220km² and data collected from the Jandowae Dam spillway gauge since it's installation in 2022.
Jandowae has an unfortunate history of riverine flooding from the Jandowae Creek catchment and flash flooding from localised heavy rainfall events and severe thunderstorms.
Flood events in the Jandowae township can develop rapidly in less than six hours when heavy rainfall is received in the upper catchment, and the community input we received will help us get the new mapping right.
Council is revising the Jandowae Flood Study records taken from 2014 to provide better understanding of flood behaviour throughout the Jandowae Creek catchment, to improve flood management and disaster response, and provide up-to-date information for infrastructure planning and land use.
The revised models should be available for community feedback in November 2025 through a series of drop-in sessions.
This project is fully funded by the Australian and Queensland governments under the Disaster Recovery Funding Arrangements.
Stantec has been engaged to deliver and coordinate the revised flood studies across the six Council areas.