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Batemans Bay

Urban Creeks Flood Study

Some parts of the Eurobodalla Local Government Area are more prone to flooding than others, and Council is committed to finding solutions to reduce the social and economic damages of flooding.

With the assistance of the NSW and Australian governments, we are preparing a flood study of the creeks draining the urban areas in and around Batemans Bay.

The flood study involves developing models to represent the flooding from catchment areas and ocean storms. Computer-based models will be built using survey data to represent the landform of the catchments and creeks. Data about rainfall and ocean conditions from past flood events will be used to recreate these events and calibrate the results against flooding observed by the community.

Council has engaged Rhelm Consultancy to prepare the flood study. The study will be prepared in accordance with the NSW Government's Flood Prone Land Policy as outlined in the NSW Floodplain Development Manual 2005.

Study areas

Areas included in the study are highlighted in green on this map (click image to see a larger version):

Areas around Batemans Bay included in the flood study are highlighted in green.

Why is Council undertaking a Flood Study?

Local councils are responsible for managing flood-prone land in NSW with support from the NSW Office of Environment and Heritage, which provides specialist technical knowledge.

Council is developing a range of floodplain risk management studies that will help us consider the consequences of living on flood prone land. The plans aim to minimise the losses to our community from flooding.

A flood study is a technical project that identifies flood behaviour such as depth, velocity and extent across the floodplain. It includes using historical data from past flood events to calibrate a model that will estimate flood risk from a range of rainfall and storm events. In addition to providing information to the community on flood risk to properties, roads and assets, this information can also be used by property owners to assist them in preparing development applications.

Preparing a flood study is the first step in the floodplain risk management process outlined in the NSW Floodplain Development Manual 2005.

A flood study does not propose any actions to manage flood behaviour. This occurs during later stages of the process, referred to as the Flood Risk Management Study and Flood Risk Management Plan stages.

Community engagement

During November 2018, we sought community input through a survey we sent to residents in flood-prone areas and made available online for other interested community members to share their experiences and concerns related to flooding.

We also hosted a drop-in information session on Tuesday 20 November 2018 from 10am to 2pm and 3pm to 6pm at Batemans Bay Community Centre, where community members could stop in to talk with us and share their experiences in person.

Community participation is critical to the study's success, particularly when it comes to collecting historical flood information. Council would like to thank all those who shared information and photographs with us to assist the study.

More Information

To find out more, please contact our Coastal and Flood Management Planner, Norm Lenehan: