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Worley Services has been engaged to develop a Grafton and Lower Clarence Floodplain Risk Management Study (FRMS) and Floodplain Risk Management Plan (FRMP). In 2023, Council adopted an updated flood study for Grafton and the Lower Clarence.
The FRMS and FRMP will examine ways that Council can manage flood risk in Grafton and the Lower Clarence communities. Options that will be looked at include "structural" (or "built") options, such as raising levees and "non-structural" options, such as planning controls.
In 2024 Council adopted an interim "flood planning level" which sets floor heights required in new developments. The design flood event used to set the interim floor levels was a 2090 1% Average Exceedance Probability (AEP) flood, including predicted climate change. A 1% AEP flood means there is a 1% chance of a flood of that size (or bigger) occurring in any year. Part of the purpose of a FRMS will be to develop permanent flood planning levels for Grafton and the Lower Clarence.
Worley Services is seeking information from the community on possible options to manage flooding risk.
How you can be involved
Share your experiences of past floods, complete the questionnaire, or speak with the project team at one of our four drop-in information sessions. These sessions allow you to attend at a time that suits you, speak directly with staff, share your experiences and stories, and view the latest flood maps.
Feedback closes Tuesday, 7 April 2026.
Worley Services has been engaged to develop a Grafton and Lower Clarence Floodplain Risk Management Study (FRMS) and Floodplain Risk Management Plan (FRMP). In 2023, Council adopted an updated flood study for Grafton and the Lower Clarence.
The FRMS and FRMP will examine ways that Council can manage flood risk in Grafton and the Lower Clarence communities. Options that will be looked at include "structural" (or "built") options, such as raising levees and "non-structural" options, such as planning controls.
In 2024 Council adopted an interim "flood planning level" which sets floor heights required in new developments. The design flood event used to set the interim floor levels was a 2090 1% Average Exceedance Probability (AEP) flood, including predicted climate change. A 1% AEP flood means there is a 1% chance of a flood of that size (or bigger) occurring in any year. Part of the purpose of a FRMS will be to develop permanent flood planning levels for Grafton and the Lower Clarence.
Worley Services is seeking information from the community on possible options to manage flooding risk.
How you can be involved
Share your experiences of past floods, complete the questionnaire, or speak with the project team at one of our four drop-in information sessions. These sessions allow you to attend at a time that suits you, speak directly with staff, share your experiences and stories, and view the latest flood maps.
Flood Risk Management Study and Plan is currently at this stage
This consultation is open for contributions.
Under Review
this is an upcoming stage for Flood Risk Management Study and Plan
Contributions to this consultation are closed for evaluation and review. The project team will report back on key outcomes.
Final report
this is an upcoming stage for Flood Risk Management Study and Plan
The final outcomes of the consultation are documented here. This may include a summary of all contributions collected as well as recommendations for future action.
