Dampier seawater desalination plant, Australia
Name of the Project
Dampier seawater desalination plant.
Location
West Pilbara, Western Australia.
Project Owner/s
The project is a 50:50 joint venture between global mining group Rio Tinto and the Western Australian government.
Project Description
The desalination plant, which will be operated by Rio Tinto, will considerably reduce groundwater take, and help protect sites of environmental and cultural importance. Once fully operational, the plant will deliver 8 Gℓ/y of desalinated water to the West Pilbara Water Supply Scheme, reducing pressure on regional aquifers.
Stage 1 and Stage 2 are expected to deliver 4 Gℓ/y of desalination capacity respectively. Together, the stages will significantly reduce abstraction from the Bungaroo and Millstream aquifers.
Over the past five years, the Western Pilbara has frequently had yearly rainfall and streamflow below the long-term average. This has reduced important groundwater recharge at the Millstream and Bungaroo aquifers, which are of significant concern to Traditional Owner groups.
Potential Job Creation
Not stated.
Capital Expenditure
A$1.1-billion.
Planned Start/End Date
Construction of Stage 1 is under way and is expected to start delivering water later in 2026.
Stage 2 construction has also started, with first water expected in 2027.
Latest Developments
None stated.
Key Contracts, Suppliers and Consultants
None indicated.
Contact Details for Project Information
Rio Tinto, email media.enquiries@riotinto.com.
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