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NSW Flood Data Portal

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This flood project has been superseded.
Flood study

Allans Creek Flood Study (Revised)

The Allans Creek catchment has an area of 42 square kilometres. The catchment lies to the south west of the Wollongong CBD and rises up to the Illawarra escarpment. The catchment is characterised by steep upper slopes with little development and a floodplain with a mix of residential, commercial and industrial development. The objectives of the Flood Study were to:

  • define existing flood behaviour for the mainstream flooding in the catchment.
  • define design flood levels, velocities and flow distributions for the catchment.
  • map the extent of flooding for the 100, 50, 20, 10 and 5 year ARI floods and the Probable Maximum Flood (PMF) for the catchment.

Additional Information

Field Value
Title Allans Creek Flood Study (Revised)
Publication Date 1 September 2006
Themes Land and Resource Management
Spatial Extent
Map data © OpenStreetMap contributors
Council/LGA Wollongong City Council
Author/ Prepared by Lawson and Treloar
Publish date 14 June 2019
Update date 26 June 2019
River Basin 214 - Wollongong
Approval State Approved
Submitted for approval 14 June 2019
Submitted by Akhil Sud
Approved 26 June 2019
Approved by jhudson
Identifier db27e766-3bd3-425c-8908-bb37d20229c4