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NSW Flood Data Portal

Post event flood behaviour reports

Sydney Floods of August 1986

The Sydney floods of 5th and 6th August, 1986 caused severe stress to many families and businesses in Sydney. The warning and emergency services did not function as well as had been planned, and many residents were caught by surprise. The total tangible damages to the community were in excess of ten million dollars. The floods provided a good opportunity to study the losses that could be expected in a flood, and Environmental Management, in association with the Centre for Resource and Environmental Studies (CRES), of the Australian National University were commissioned by the Public Works Department (PWD) and Department of Water Resources (DWR) to examine:

  • the economic and social losses resulting from the flood,
  • the efficacy of the flood warning procedures;
  • the consequences for floods of greater magnitude.

The analysis presented in this report is based on very large data base. The data base, especially the computer listing of all buildings liable to the 1% flood, is available for further usage and is itself an important resource. The survey and many interviews and with those effected by the flood (householders, the business community and a range of state and local government officials) provide lessons for urban floodplain management in Sydney and elsewhere.

Additional Information

Field Value
Title Sydney Floods of August 1986
Publication Date 1 June 1988
Themes Land and Resource Management
Spatial Extent
Map data © OpenStreetMap contributors
Council/LGA Canterbury-Bankstown Council
Author/ Prepared by Australian National University
Publish date 30 June 2020
Update date 30 June 2020
Approval State Approved
Submitted for approval 1 July 2020
Submitted by Julia Muniz de Miranda Sa
Approved 1 July 2020
Approved by dstazic
Identifier 21e9882c-1cfb-44e5-b9f2-1e9ef2b38716