Post 2022 Event Flood Behaviour Analysis - Brunswick River Report

NSW Department of Climate Change, Energy, the Environment and Water

The Post 2022 Event Flood Behaviour Analysis - Brunswick River aims to understand the areas impacted by the recent 2022 flood event and determin the current approved flood model's ability to replicate the 2022 event.

The study area includes the townships of Mullumbimby, Brunswick Heads, Ocean Shores, and villages of New Brighton, South Golden Beach and Billinudgel. The study area covers an area of approximately 230 square kilometres, and includes diverse environments, generally comprising of dense vegetation in the hinterlands and coastal villages to the east of the catchment.

The Post 2022 Event Flood Behaviour Analysis of the Brunswick River involved a review of the hydrological and hydraulic models, and IFD estimates. Flood Frequency Analysis and Regional Flood Frequency Estimation methods were undertaken to assess the model perfomance.

A damage assessment was undertaken to determine the cost of damage and the degree of disruption to the community caused duing flooding event.

Data and Resources

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Additional Info

Field Value
Title Post 2022 Event Flood Behaviour Analysis - Brunswick River Report
Type
Language
Licence lsba
Data Status inactive
Update Frequency as_required
Landing Page https://data.nsw.gov.au/data/dataset/4f7b7e38-8c66-430f-bf91-84789705a2f2
Date Published 2024-04-03
Date Updated 2025-03-27
Contact Point NSW Department of Climate Change, Energy, the Environment and Water
flooddata.support@environment.nsw.gov.au
Temporal Coverage - 2024-02-12 00:00:00
Geospatial Coverage New South Wales (NSW81093)
Jurisdiction New South Wales Government
Data Portal Data.NSW
Publisher/Agency NSW Department of Climate Change, Energy, the Environment and Water