Approach and Outcomes
The approach was to review the data history from each of Toowoomba Regional Councils (TRC) gauges. Reviewing the data quality also encompassed maintenance and data presentation systems. The analysis of Toowoomba CBD flood gauge data has revealed that the majority of existing flood gauges have been installed at appropriate locations and the review confirmed that Toowoomba CBD is prone to flash floods. The small catchment sizes and dependence on the rainfall in their immediate vicinity, results in some gauges recording peak depths independently of upstream events and gauges. Additional low-cost pluviographs have been recommended to improve TRC’s understanding of rainfall variation across catchments.