Seawater Interface Elev Superficial Aq – Cockburn Area Contours (DWER-133)

This dataset shows the geographic location and elevation of the seawater interface (~10,000 us/cm) within the Superficial aquifer, in Cockburn groundwater area.

This dataset is a derived location based on an assessment of data for the period 2018 to 2019. This location can change pending known factors that impact the location of the seawater interface including the time of year, tidal movements, abstraction, recharge and throughflow.
The full assessment of the seawater interface in this area, including detailed methods is documented in report:

Puthiaparampil J, Brandes de Roos I & Ryan SA, 2024, Cockburn seawater interface – Priority Area Assessment under the State groundwater investigation program, Hydrogeological Report Series HR443, Department of Water and Environmental Regulation, Western Australia.

This dataset is sourced from the Statewide seawater interface project, funded by the Government of Western Australia under the State Groundwater Investigation Program.

The data used in this layer is owned by the department can be downloaded from the Water Information Reporting (WIR) Portal or by contacting the Department. Information on the SWI project can be found on the Western Australia State Government website (www.wa.gov.au).