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

This Flood Study comprised the following principal stages: collection and assessment of available data; investigation of coastal processes to determine design ocean levels for...

The Floodplain Management Plan divides the Cockrone Lagoon area into six precincts: Cockrone Lagoon - Beach Berm High Hazard Floodway/Investigation Cockrone Lagoon - Entrance...

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...

Lagoon Opening data: Wamberal Lagoon and Avoca lake openings Automatic recorder levels Comparison of Wamberal lagoon openings Comparison of Terrigal lagoon openings Comparison...