ProjectProponent: Grange Resources LimitedProposal description: The proposal is for a desalination plant located approximately five kilometres (km) west of Cape Riche, and approximately 19 km from the nearest town of Wellstead. The desalination plant would be based on reverse osmosis technology. A seawater intake and pump station would be located 500 m east of Cheyne Inlet, and a brine outfall would be located on the south side of Cape Riche. Pipelines and infrastructure would be also constructed. Assessment Number: 1864Region: Great SouthernReferred under EP Act: s38Industry sector: InfrastructureLast updated: November 6, 2023Current Status: Ministerial Statement published 2. Decision on whether to assess this proposalChair's Determination: Assess - Public Environmental ReviewExtract of determination: 1864-ChairDets-070211.pdf (PDF, 39.58 KB)Preliminary Environmental Factors: Marine Environmental QualityFlora and VegetationDate published: Monday, 7 February, 2011 3. AssessmentScopingApproved: Monday, 30 May, 2011 Environmental ReviewPublic submissions: Monday, 26 September, 2011 to Monday, 24 October, 2011Environmental Review documentation: Southdown Cape Riche PER document (PDF, 29.11 MB) Appendix A - Flora and Fauna Survey (PDF, 15.11 MB) Appendix B - Bathymetric Map Cheyne Bay (PDF, 47.2 KB) Appendix C - Water Quality Report (PDF, 585.52 KB) Appendix D - Benthic Habitat (PDF, 1.76 MB) Appendix E1 - Marine Mammal Assessment (PDF, 170.41 KB) Appendix E2 - Whale Distribution Maps (PDF, 309.12 KB) Appendix F - Fish Species List (PDF, 6.87 KB) Appendix G1 - Supporting Letters: Wellstead Progress Association (PDF, 240.46 KB) Appendix G2 - Supporting Letters: D Sutcliffe (PDF, 2.97 KB) Appendix H - Brine Toxicity Assessment (PDF, 387.08 KB) Appendix I - Noise Assessment (PDF, 17.39 MB) Appendix J - Visual Impact Assessment (PDF, 16.77 MB) Appendix K - Air Assessment (PDF, 5.5 MB) Appendix L - Aboriginal Archaeological and Enthnographic Survey (PDF, 6.38 MB) Appendix M - Hydrodynamic Modelling Report (PDF, 9.06 MB) Appendix N - Oceanograpic Measurements (PDF, 7.85 MB) Construction Environmental Management Plan (PDF, 1.24 MB) Operational Environmental Management Plan (PDF, 1.61 MB) Brine Discharge Management Plan (PDF, 1.32 MB)Proponent response to submissions: Grange Resources- Response to submissions (PDF, 5.56 MB) 4. EPA Report on assessmentEPA Report Number: 1431EPA Report: Cape Riche- Seawater Desalination Plant (PDF, 2.31 MB)Key Environmental Factors: Benthic Communities and HabitatsDate published: Monday, 13 February, 2012Appeals close: Monday, 27 February, 2012 5. Decision on proposal and implementation of proposalMinisterial StatementDate of approval: Thursday, 19 July, 2012Ministerial Statement: Ministerial Statement 904 (PDF, 901.82 KB) Post-assessment changesNotice of Interim Implementation Conditions under Section 46A : s46A Notice - One year extension to Time Limit for Proposal Implementation (PDF, 220.33 KB)Date of approval (46a): Friday, 14 July, 2017Section 46 inquiry: Cape Riche Seawater Desalination Plant (S46) [2383] Post-Assessment DocumentationDate of Approval: Thursday, 28 September, 2017
Printer-friendly version