Project Proponent K + S Salt Australia Pty Ltd Proposal description K plus S Salt Australia Pty Ltd is seeking approval to construct and operate a 3.5 million tonnes per annum (Mtpa) Solar Salt Project located approximately 40 km south-west of the township of Onslow, within the Shire of Ashburton. Assessment Number 2101 Region Pilbara Referred under EP Act s38 Industry sector Salt Last updated June 13, 2025 Current Status Assessment has been terminated under s40A of the EP Act 1. Referral Comment on this referral Ashburton Salt Project Referral documentation CMS16277 Ashburton Salt Project Referral Support Doc 7.10.16 wfigapp.pdf (PDF, 6.22 MB) CMS16277 EPA Referral Form Ashburton Salt 7.10.16.pdf (PDF, 174.15 KB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Public Environmental Review Extract of determination Chairman's Determination - Ashburton Salt Project (PDF, 466.62 KB) Preliminary Environmental Factors Social Surroundings Benthic Communities and Habitats Coastal Processes Marine Environmental Quality Marine Fauna Flora and Vegetation Terrestrial Fauna Hydrological Processes Inland Waters Environmental Quality Date published Monday, 7 November, 2016 3. Assessment Scoping Comment on this ESD Ashburton Salt Project – Environmental Scoping Document Environmental scoping document Ashburton Salt Project FINAL ESD (PDF, 2.45 MB) Approved Wednesday, 24 January, 2018 Environmental Review Make a submission Ashburton Salt Project - Public Environmental Review Environmental Review documentation ERD - Ashburton Salt Project - 30 May 2023 - Version 4 FINAL - for public review.pdf (PDF, 44.39 MB) A. Marine and Coastal Assessment and Modelling.pdf (PDF, 21.04 MB) AA. BTAC Cultural Associations Consultation.pdf (PDF, 140 KB) B. Surface Water Assessment and Modelling.pdf (PDF, 24.58 MB) C. Marine, Coastal and Surface Water Data Collection.pdf (PDF, 7.65 MB) D. Marine, Coastal and Surface Water Existing Environment.pdf (PDF, 3.75 MB) DD Updated Artificial Light Monitoring and Modelling Report.pdf (PDF, 1.35 MB) E. Surface Water Assessment and Modelling.pdf (PDF, 18.49 MB) F. Peer Review of Coastal, Surface Water and Nutrient Pathway Modelling.pdf (PDF, 332.68 KB) G. Response to Sea Level Rise.pdf (PDF, 26.32 MB) H. Ashburton Salt Projection of Future Habitat Area.pdf (PDF, 707.14 KB) I. Seawater Intake Assessment.pdf (PDF, 1.4 MB) J. Nutrient Pathway Assessment and Modelling.pdf (PDF, 2.37 MB) K. ASSS Study.pdf (PDF, 25.86 MB) L. Phase 2 Ecotoxicology Assessment.pdf (PDF, 490.13 KB) M. Assessment of BCH.pdf (PDF, 51.17 MB) N. Marine Fauna Impact Assessment.pdf (PDF, 16.88 MB) O. Migratory Shorebird Assessment.pdf (PDF, 9.05 MB) P. Prawn Assessments.pdf (PDF, 3.14 MB) Q. Detailed Vegetation and Flora Survey.pdf (PDF, 33.58 MB) R. Targeted Flora Survey 2022.pdf (PDF, 4.76 MB) S. Level 2 Seasonal Fauna Survey.pdf (PDF, 17.7 MB) T. Claypan Ephemeral Fauna Desktop Review.pdf (PDF, 1.1 MB) U. Materials Characterisation Study.pdf (PDF, 10.27 MB) V. Groundwater modelling- updated results.pdf (PDF, 15.61 MB) W. Hydrogeological Investigation.pdf (PDF, 16.96 MB) X. Independent Review of Ashburton Salt Project Groundwater Modelling.pdf (PDF, 11.24 MB) Y. Groundwater Modelling Independent Review.pdf (PDF, 1.33 MB) Z. Aboriginal Heritage Study Report.pdf (PDF, 4.61 MB) Appendix 1 - DWER_WA_environmental_offsets_calculator_G to E vegetation.pdf (PDF, 22.66 KB) Appendix 2 - DWER_WA_environmental_offsets_calculator_NQ POP.pdf (PDF, 20.42 KB) Appendix 3 - EPBC Offset-assessment NQ POP2.pdf (PDF, 65.59 KB) ASSS MP.pdf (PDF, 11.31 MB) Dredging and Sediment MP.pdf (PDF, 2.2 MB) Fauna MP.pdf (PDF, 512.28 KB) Interim Mine Closure Plan.pdf (PDF, 6.74 MB) Introduced Marine Pest MMP.pdf (PDF, 4.27 MB) Marine Environmental Quality MMP.pdf (PDF, 4.01 MB) Marine Fauna MP.pdf (PDF, 1.63 MB) Waste MP.pdf (PDF, 1.61 MB) 0360_K+S_ASH_OFS_DOC_Offsets Strategy_1_230530.pdf (PDF, 3.67 MB) Date Published (Environmental Review documentation) June 12, 2023 Termination of assessment under s40A Date of termination Friday, 13 June, 2025 Termination notice Notice to terminate assessment - s. 40A.pdf (PDF, 64.87 KB) Change to proposal during assessment under s. 43A s. 43A notice CMS16277 - s43A Notice - 180817 (PDF, 1.33 MB) CMS16277 - s43A Notice - 181218.pdf (PDF, 799.04 KB) CMS16277 - S43A Notice - 211221 (PDF, 1.14 MB) Date of approval s. 43A Tue, 21/12/2021 - 12:00
