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Liverpool Overland Flow Path Study Stage 2 - Final Report

Created 01/03/2026

Updated 01/03/2026

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This report documents the Study’s objectives, results and recommendations.

  • Section 1 introduces the study.
  • Section 2 provides some background information and a summary of available data.
  • Section 3 outlines the community consultation undertaken.
  • Section 4 outlines the general modelling approach and key assumptions.
  • Section 5 details the model development and results for Area 1.
  • Section 6 details the model development and results for Area 2.
  • Section 7 details the model development and results for Area 3.
  • Section 8 presents sensitivity tests of key parameters/assumptions for the developed models.
  • Section 9 provides a summary of the flood damages assessment.
  • Section 10 identifies key hot-spot areas from the modelling results and an initial assessment of potential flood mitigation options.

The key output from the overland flow study comprises a series of flood maps for each study area which are included in Appendix A. This mapping includes flood depth, velocity and hazard for the range of design return period events considered.

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Additional Info

Field Value
Title Liverpool Overland Flow Path Study Stage 2 - Final Report
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/dataset/04ec9683-d93e-4c8b-82ef-8b9a8eaa89b0
Remote Last Updated 19/01/2026
Contact Point
Liverpool City Council
lcc@liverpool.nsw.gov.au
Reference Period 17/12/2025 - 01/08/2008
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    147.0179,
    -32.1618
  ],
  "type": "Point"
}
Data Portal DataNSW

Data Source

This dataset was originally found on DataNSW "Liverpool Overland Flow Path Study Stage 2 - Final Report". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/nsw-fdp-liverpool-overland-flow-path-study-stage-2-report