The document discusses a draft floodplain risk management study for the Brisbane Water estuary by Gosford City Council. It provides details on the characteristics and value of the Brisbane Water floodplain, including its environmental, recreational, and economic values. It also describes what causes floods in the area, defines floodplains, and outlines Gosford City Council's floodplain management process which involves forming a committee, collecting data, conducting studies, preparing management plans, implementing plans, and reviewing plans.