Project Proponent Director General of the Department of Transport on behalf of the State of Western Australia Proposal description The Proposal is to construct and operate a new multimodal port in the Kwinana Industrial Area (KIA), approximately 30 km south of Perth. The Proposal includes: A port facility. Adjacent areas of landside development. An offshore breakwater. Dredging for a second main channel. Dredging for access channels, turning basins and berthing areas. Use of dredge material for beneficial re-use and, where required, placement in approved marine placement areas. Removal of the disused Kwinana Bulk Berth 1 (KBB1) Jetty. Removal of the KBB2 Jetty, with replacement infrastructure as a component of the port facility. Connections to road and rail infrastructure up to the vicinity of Rockingham Road. Relocation, removal or upgrade of existing infrastructure, structures and buildings. Temporary construction infrastructure. Maintenance of all infrastructure and assets, including maintenance dredging. The terrestrial elements of the Proposal are located within an area of existing heavy industrial land uses within the KIA, serviced by existing road and rail infrastructure. The marine elements of the Proposal are primarily located within Cockburn Sound adjacent to the KIA, whilst the second main channel extends from the northern boundary of Cockburn Sound to the Indian Ocean. Assessment Number 2416 Region Perth Referred under EP Act s38 Industry sector Infrastructure Last updated February 04, 2025 1. Referral Comment on this referral Outer Harbour Port Development, Kwinana Referral documentation Referral Form (PDF, 304.3 KB) Proposal Content Document (PDF, 1.04 MB) Supporting Document (PDF, 14.32 MB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Public Environmental Review Extract of determination Outer Harbour Port Development, Kwinana (PDF, 277.18 KB) Preliminary Environmental Factors Social Surroundings Benthic Communities and Habitats Coastal Processes Marine Environmental Quality Marine Fauna Flora and Vegetation Terrestrial Environmental Quality Terrestrial Fauna Inland Waters Date published Tuesday, 2 April, 2024 3. Assessment Scoping Environmental scoping document for public comment Environmental Scoping Document.pdf (PDF, 682.36 KB) Comment on this ESD Outer Harbour Port Development, Kwinana – Environmental Scoping Document Environmental scoping document OuterHarbourPort_ESD_3Feb2025_v12.pdf (PDF, 868.05 KB) Approved Tuesday, 4 February, 2025 Environmental Review Proponent response to submissions ESD_SubmissionsTableResponse_20Jan2025.pdf (PDF, 302.92 KB) Date published (Proponent response to submissions) February 04, 2025