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St Georges Basin Floodplain Risk Management Plan

Created 22/01/2026

Updated 22/01/2026

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INTRODUCTION

St Georges Basin is a coastal lagoon within the Shoalhaven City Council area (Figure 1). The Basin has a surface area of approximately 37 square kilometres discharging through the Sussex Inlet Channel to the Pacific Ocean at Bherwerre Beach. The total catchment area to the Pacific Ocean is approximately 327 square kilometres. The Basin itself therefore represents approximately 11% of the total catchment. This Floodplain Risk Management Plan covers the study area shown in Figure 1 including the Sussex Inlet Channel, the foreshore fringe area around St Georges Basin, and the lower reaches of the major tributary creeks (listed in Table 1). The study area is bound approximately by Sussex Inlet Road, the Princes Highway, The Wool Road, Jervis Bay Road and Naval College Road. A breakdown of the total catchment area is shown in Table 1.

Files and APIs

Additional Info

Field Value
Title St Georges Basin Floodplain Risk Management Plan
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/en/dataset/e72beaed-d0f3-4997-83b5-b6e6628f69dd
Remote Last Updated 15/01/2026
Contact Point
Shoalhaven City Council
council@shoalhaven.nsw.gov.au
Reference Period 17/12/2025 - 01/12/2006
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 "St Georges Basin Floodplain Risk Management Plan". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/nsw-fdp-st-georges-basin-floodplain-risk-management-plan34