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downloadDownload Summary Table

Sutherland Shire Council

January 20, 2026 Data provider: Flood Data Portal

Gwawley Bay Catchment Flood Study

The study investigates flood behaviour throughout the Gwawley Bay catchment. This includes the analysis of: surface runoff across the catchment flows within the underground pipe...

Gwawley Bay hydraulic model hydrologic model
Sutherland Shire Council

December 17, 2025 Data provider: Flood Data Portal

Gwawley Bay Catchment Floodplain Risk Management Study and Plan (Draft) - Report

Complete report

Caringbah Georges River Gwawley Bay Gymea Miranda Sutherland Sylvania Sylvania Waters Taren Point

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