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Mardie Project

Project
Proponent: 
Mardie Minerals Pty Ltd
Proposal description: 

Mardie Minerals Pty Ltd proposes to develop a high volume salt and Sulphate of Potash project at Mardie, approximately 80 km south west of Karratha, in the Pilbara Region of Western Australia.  The proposal would utilise seawater and evaporation to produce a concentrated salt product and other associated products.

The proposal includes a seawater intake, evaporation ponds, processing plant, bitterns disposal pipeline and outfall, desalination plant, freshwater supply bores and associated infrastructure. The only waste product would be approximately 3.6 GLp/a of bitterns.

The proposal would include disturbance of up to 9,365 hectares on shore, and up to 40 hectares of marine environment.

Amendment to proposal

The Mardie Project (previously Mardie Salt Project) was referred on the 17 April 2018, and released for public comment from 02 May 2018 to 08 May 2018.

Subsequent to this release period, the proponent has requested that the proposal be amended prior to level of assessment being set. The requested amendments include:

  • Addition of a trestle jetty for shipping/export purposes as shown in Figure 1;
  • Addition of a dredging channel for construction of the jetty as shown in Figure 1; and
  • Change of the proposal name from “Mardie Salt project” to “Mardie Project”.

Comments are invited in regard to the proposed additions to the project.

The original referral documents can be found below, along with the details of the requested change (see 'Requested change to proposal' and 'Figure 1').

Assessment Number: 
2167
Region: 
Pilbara
Referred under EP Act: 
s38
Industry sector: 
Salt
Last updated: 
November 24, 2021
Current Status: 
Ministerial Statement published
Ministerial Statement published
1. Referral
Comment on this referral: 
Mardie Project
Comment period: 
Wednesday, 30 May, 2018 to Tuesday, 5 June, 2018
Referral documentation: 
PDF icon Requested change to proposal.pdf
PDF icon Figure 1.pdf
PDF icon Referral Form.pdf
PDF icon Supporting Document.pdf
PDF icon Appendix 1 - Assessment of Mangal and Algal Communities.pdf
PDF icon Appendix 2 - Benthic Habitat Analysis.pdf
PDF icon Appendix 3 - Shore Bird Results.pdf
PDF icon Appendix 4 - Desktop Review.pdf
PDF icon Appendix 5 - Interim Flora Veg Fauna Surveys.pdf
PDF icon Appendix 6 - Marine Turtle Survey Report.pdf
2. Decision on whether to assess this proposal
Chair's Determination: 
Assess - Public Environmental Review
Extract of determination: 
PDF icon Mardie Project
Preliminary Environmental Factors: 
Social Surroundings
Benthic Communities and Habitats
Marine Environmental Quality
Marine Fauna
Flora and Vegetation
Terrestrial Fauna
Hydrological Processes
Inland Waters Environmental Quality
Date published: 
Monday, 18 June, 2018
3. Assessment
Scoping
Environmental scoping document: 
PDF icon Mardie Project - Environmental scoping document
Approved: 
Wednesday, 28 November, 2018
Environmental Review
Public submissions: 
Monday, 29 June, 2020 to Monday, 7 September, 2020
Make a submission: 
Mardie Project - Public Environmental Review
Environmental Review documentation: 
PDF icon Mardie Project ERD - 20200622.pdf
PDF icon A01-1_Coastal_Inundation_Study.pdf
PDF icon A01-2_Causeway_Inundation_Modelling_Assessment.pdf
PDF icon A01-3_Surface_Water_Characterisation_&_Assessment.pdf
PDF icon A02-1_BCH_Cumulative_Loss_Assessment.pdf
PDF icon A02-2_Preliminary_Assessment_of_Mangroves+Algal_Mats.pdf
PDF icon A02-3_Intertidal_BCH_Survey.pdf
PDF icon A02-4_Subtidal_BCH_Survey.pdf
PDF icon A02-5_Expert_Review_of_BCH_Impacts.pdf
PDF icon A02-6_Introduced_Marine_Pest_Risk_Assessment.pdf
PDF icon A03-1_Marine_Env_Quality_MMP.pdf
PDF icon A04-01_Dredging+Spoil_Disposal_MP (1).pdf
PDF icon A05-1_Baseline_Marine_Sediment_Quality.pdf
PDF icon A05-2_Baseline_Water_Quality_Monitoring.pdf
PDF icon A05-3_WET_Report_2019.pdf
PDF icon A06-1_Hydrodynamic_Modelling_Report.pdf
PDF icon A06-2_Bitterns_Outfall_Dispersion_Modelling.pdf
PDF icon A06-3_Dredge_Plume_Modelling_Report.pdf
PDF icon A06-4_Marine_Noise_Impact_Assessment.pdf
PDF icon A07-1_Marine_Turtle_Monitoring_Report.pdf
PDF icon A07-2_Marine_Fauna_Assessment.pdf
PDF icon A08-01_Vegetation_and_Flora_Surveys_Report.pdf
PDF icon A09-01_Terrestrial_Vertebrate_Fauna_Surveys_Report.pdf
PDF icon A10-1_Seepage_Modelling_Assessment.pdf
PDF icon A10-2_Soils_Chem+Hydro_Analysis_Report.pdf
PDF icon A10-3_Acid Sulfate Soil Investigation_Causeway
PDF icon A10-4_Acid Sulfate Soil Investigation_Stantec
PDF icon A12-01_Preliminary_Mine_Closure_Plan.pdf
Package icon 11-01_Proposal_Shapefiles.zip
Date Published (Environmental Review documentation): 
June 29, 2020
Proponent response to submissions: 
PDF icon Response to Submissions
PDF icon Appendix 1 Impact Reconciliation Procedure DRAFT.pdf
PDF icon Appendix 2 Mardie Draft Groundwater_MMP_201120_NoAppx.pdf
PDF icon Appendix 3 BCHMMP DRAFT.pdf
PDF icon Appendix 4 Phoenix 2020 Flora and Vegetation Survey Report.pdf
PDF icon Appendix 5 Desktop Groundwater Risk Assessment.pdf
PDF icon Appendix 6 Mardie Prelininary Storm Surge Study.pdf
PDF icon Appendix 7 Scour Potential - Return Period Analysis for Water Flow and Waves at Pond Walls, Navigation Route and Pipeline Easement.pdf
PDF icon Appendix 8 Revised Dredge Management Plan DRAFT.pdf
PDF icon Appendix 9 Revised Marine Environmental Quality Monitoring and Management Plan.pdf
PDF icon Appendix 11 Underwater Noise Management Procedure DRAFT.pdf
PDF icon Appendix 12 Pendoley Advisory Memo Marine Turtles.pdf
PDF icon Appendix 13 Survey Adequacy of Tecticornia Communities.pdf
PDF icon Appendix 14 Mardie Proposed Shorebird Monitoring Program DRAFT.pdf
PDF icon Appendix 15 Mardie Surface Water Assessment.pdf
PDF icon Appendix 17 Appendices 1 -3 Terrestrial fauna.pdf
PDF icon Appendix 18 Revised Mardie MCP.pdf
PDF icon Appendix 20 Further information of Mardie Proposal on BCH under addition climate change tide levels.pdf
PDF icon Appendix 21 Ecological Significance of Landward Samphire Communities.pdf
PDF icon Appendix 22 Calculations of Flood drainage_summary for DWER 210216.pdf
PDF icon R190043_Mardie_Dredge Management Plan_Rev2B_210624.pdf
PDF icon R190108_Mardie_MEQMMP_Rev4A_210624.pdf
PDF icon MAR-0000-EV-PRO-BCI-000-0007 Underwater Noise Management Procedure.pdf
PDF icon Mardie Project - Fisheries and aquaculture impact study Final 210803.pdf
Date published (Proponent response to submissions): 
March 31, 2021
Change to proposal during assessment under s. 43A
s. 43A notice: 
PDF icon CMS17246 - S43A Notice - 260520.pdf
Date of approval s. 43A: 
Tue, 26/05/2020
4. EPA Report on assessment
EPA Report Number: 
1704
EPA Report: 
PDF icon EPA Report 1704 - Mardie Project - assessment report.pdf
Key Environmental Factors: 
Social Surroundings
Benthic Communities and Habitats
Marine Environmental Quality
Marine Fauna
Flora and Vegetation
Terrestrial Fauna
Inland Waters
Date published: 
Wednesday, 7 July, 2021
Appeals close: 
Wednesday, 21 July, 2021
5. Decision on proposal and implementation of proposal
Ministerial Statement
Date of approval: 
Wednesday, 24 November, 2021
Ministerial Statement: 
PDF icon Ministerial Statement 1175

Source URL:https://www.epa.wa.gov.au/proposals/mardie-project