Includes: Main Flood Study Report and Addendum Climate Change Assessment Report and Kallaroo Circuit Culverts Assessment

Wamberal Lagoon is a small coastal lagoon within the Gosford City and Wyong Council Local Government areas (Figure 1). The lagoon has a surface area of approximately 0.5 square...

Storage Volumes: The modelling showed that the approach developed for Terrigal and Wamberal Lagoons could be satisfactorily applied to Avoca Lagoon for the opening of 14...

Separate Flood studies have been undertaken for four coastal lagoons in the Gosford area, that is, Avoca, Cockrone, Terrigal and Wamberal Lagoons. Different analytical...

The flood study was undertaken in two stages. The aims of each stage of the flood study are: Stage 1 - Hydrological Analysis Collate all the relevant data on Council's existing...

The primary objective of the flood study is to provide Council with design flood levels for Tuggerah Lakes. A second objective, to provide a flood forecasting capability, is...

Flood study centres around the opening of Cockrone Lagoon to the ocean when the water level exceeds the let-out-level of RL2.476m AHD. The policy is aimed at minimising the...

Appendix B - Figures

Final Report PDF

In view of the increasing catchment development and the need to accurately define the flood problem, Lake Macquarie City Council engaged Webb, McKeown & Associates, to...