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downloadDownload Summary Table

NSW Department of Climate Change, Energy, the Environment and Water

October 23, 2025 Data provider: SEED

Lake Illawarra Bathymetric Survey 2022/23

Wollongong City Council, Shellharbour City Council and NSW Department of Climate Change, Energy, the Environment and Water engaged a consultant to undertake a contemporary...

Estauries Lake Illawarra Lakes Water

PDF ZIP
May 27, 2025 Data provider: Flood Data Portal

Lake Illawarra, Mt Warrigal and Oak Flats Flood Study - Report

Report and Figures

Lake Illawarra Mt Warrigal Oak Flats
Wollongong City Council

March 31, 2025 Data provider: Flood Data Portal

Duck Creek Flood Study - Report

Adopted complete report

Duck Creek Haywards Bay Illawarra Illawarra Escarpment Lake Illawarra M1 Motorway Marshall Mount Road North Marshall Mount Road Princes Highway South Coast Rail Line Wollongong Yallah Yallah Road
Wollongong City Council

March 30, 2025 Data provider: Flood Data Portal

Minnegang Creek Flood Study - Report

Volume 1: Report Volume 2: Maps

Barina Park Gilgandra Street Lake Illawarra Minnegang Creek Northcliff Drive Weringa Avenue Wollongong
Wollongong City Council

March 30, 2025 Data provider: Flood Data Portal

Kully Bay Overland Flow Study - Report

Volume 1: Report Volume 2: Maps

Griffins Bay Kemblawarra Kully Bay Lake Heights Lake Illawarra Warrawong
Wollongong City Council

December 13, 2024 Data provider: Flood Data Portal

Duck Creek Flood Study - Survey

Five folders

Duck Creek Haywards Bay Illawarra Illawarra Escarpment Lake Illawarra M1 Motorway Marshall Mount Road North Marshall Mount Road Princes Highway South Coast Rail Line Wollongong Yallah Yallah Road
Wollongong City Council

December 13, 2024 Data provider: Flood Data Portal

Duck Creek Flood Study - Hydraulic Model Input

TUFLOW

Duck Creek Haywards Bay Illawarra Illawarra Escarpment Lake Illawarra M1 Motorway Marshall Mount Road North Marshall Mount Road Princes Highway South Coast Rail Line Wollongong Yallah Yallah Road
Wollongong City Council

December 13, 2024 Data provider: Flood Data Portal

Duck Creek Flood Study - Hydrologic Model Input

WBNM

Duck Creek Haywards Bay Illawarra Illawarra Escarpment Lake Illawarra M1 Motorway Marshall Mount Road North Marshall Mount Road Princes Highway South Coast Rail Line Wollongong Yallah Yallah Road
Wollongong City Council

December 13, 2024 Data provider: Flood Data Portal

Duck Creek Flood Study - Collected Data
- Historical data
- Rainfall data
Duck Creek Haywards Bay Illawarra Illawarra Escarpment Lake Illawarra M1 Motorway Marshall Mount Road North Marshall Mount Road Princes Highway South Coast Rail Line Wollongong Yallah Yallah Road
Wollongong City Council

December 13, 2024 Data provider: Flood Data Portal

Duck Creek Flood Study - FERC

Trimmed, design blockage

Duck Creek Haywards Bay Illawarra Illawarra Escarpment Lake Illawarra M1 Motorway Marshall Mount Road North Marshall Mount Road Princes Highway South Coast Rail Line Wollongong Yallah Yallah Road

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