Project Proposal description The Proposal is to construct and operate an open cut gold mine approximately 275 km southeast of Perth and 37 km northeast of Katanning, WA. The total disturbance proposed is up to 61.62 hectares (ha) which includes the disturbance of 49.97 ha of native vegetation over a ten-year life of mine. The maximum total pit dewatering volume is forecast to be up to 0.9 GL/year. Proposal Content Document Proposal Content Document - April 2026.pdf (PDF, 851.86 KB) Assessment Number 2564 Region Great Southern Referred under EP Act s38 Industry sector Gold Last updated April 20, 2026 Current Status Assessment on Proponent Information – open for public submissions 1. Referral Comment on this referral Katanning Gold Project Referral documentation Appendix A_s38 Referral Form.pdf (PDF, 434 KB) Appendix AA_GHG Assessment Technical Report 2025.pdf (PDF, 580.49 KB) Appendix B_Proposal Content Document.pdf (PDF, 255.05 KB) Appendix BB_Bennelongia Subterranean Fauna Report 2025.pdf (PDF, 5.28 MB) Appendix C_Open Pit Definitive Feasibility Study Report.pdf (PDF, 11.06 MB) Appendix D_Traffic Impact Assessment Report 2025.pdf (PDF, 9.76 MB) Appendix E_SRK Material Characterisation Report 2025.pdf (PDF, 1.08 MB) Appendix F_Stakeholder Engagement Management Plan.pdf (PDF, 2 MB) Appendix G_Simply Stakeholders - Stakeholder Register.pdf (PDF, 259.63 KB) Appendix H__KGP Community Survey Results.pdf (PDF, 332.02 KB) Appendix I_Corporate Community Engagement Policy.pdf (PDF, 229.89 KB) Appendix J_Hydrobiology Waterway Monitoring Plan 2025.pdf (PDF, 5.18 MB) Appendix K_Mattiske Flora and Vegetation Report_2025.pdf (PDF, 7.37 MB) Appendix L_Talis TEC Summary Memo_2025.pdf (PDF, 4.41 MB) Appendix M_Targeted flora survey for Roycea pycnophylloides 2025.pdf (PDF, 3.61 MB) Appendix O_Stantec Terrestrial Fauna Monitoring and Management Plan 2025.pdf (PDF, 4.09 MB) Appendix P_Section 18 Consent.pdf (PDF, 161.24 KB) Appendix Q_Terra Rosa 2011 Site Avoidance Report Jinkas Hill Prospect Area.pdf (PDF, 2.27 MB) Appendix R_Terra Rosa 2015 Heritage Survey Jinkas Hill.pdf (PDF, 7.02 MB) Appendix S_Terra Rosa 2019 Cultural Salvage Outcomes Jinkas Hill.pdf (PDF, 519.04 KB) Appendix T_Environmental Noise Assesment 2025.pdf (PDF, 5.37 MB) Appendix U_Visual Impact Assessment Report 2025.pdf (PDF, 6.38 MB) Appendix V_KGP Sub-Surface Materials Characterisation Report 2025.pdf (PDF, 11.27 MB) Appendix W_Landloch Baseline Soil Assessment 2024.pdf (PDF, 10.13 MB) Appendix X_Pre-Feasability Study_Characterisation of Waste Rock 2022.pdf (PDF, 1.67 MB) Appendix Y - Site Based Environmental Management Plan.pdf (PDF, 16.03 MB) Appendix Z_Air Quality Report 2025.pdf (PDF, 14.24 MB) Appendix N1_TE Fauna Report - no figures no appendices - REDACTED.pdf (PDF, 12.96 MB) Appendix N2_TE Fauna Report - no figures no appendices.pdf (PDF, 17.13 MB) Appendix N3_TE Fauna Report_Figures.pdf (PDF, 20.09 MB) Appendix N4_TE Fauna Report_Figures_REDACTED.pdf (PDF, 15.39 MB) Appendix CC1 Ausgold Hydrogeological Report 2025.pdf (PDF, 82.25 MB) Appendix CC_2_Ausgold Integrated Hydrogeological Report 2025.pdf (PDF, 97.11 MB) TE23003 - Ausgold s38 Referral_Supporting Doc_1.0_Signed_FIGURES ONLY.pdf (PDF, 67.57 MB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Additional Assessment Information (public review) Extract of determination Katanning Gold Project (PDF, 169 KB) Preliminary Environmental Factors Air Quality Flora and Vegetation Inland Waters Social Surroundings Terrestrial Fauna Date published Tuesday, 23 December, 2025 3. Assessment Environmental Review Public submissions Monday, 20 July, 2026 to Sunday, 9 August, 2026 Make a submission Katanning Gold Project - Additional Information Environmental Review documentation Referral Supporting Document.pdf (PDF, 86.59 MB) Appendix A_s38 Referrral Form_Signed.pdf (PDF, 444.14 KB) Appendix AA_Pre-Feasability Study_Characterisation of Waste Rock 2022.pdf (PDF, 1.44 MB) Appendix B_Proposal Content Document.pdf (PDF, 334.86 KB) Appendix BB_Site Based Environmental Management Plan 2026.pdf (PDF, 16.03 MB) Appendix C_Open Pit Definitive Feasibility Study Report 2025.pdf (PDF, 11.06 MB) Appendix CC_ Air Quality Report 2026.pdf (PDF, 15.26 MB) Appendix D_Traffic Impact Assessment Report 2025.pdf (PDF, 9.76 MB) Appendix DD_KGP Dust Management Plan 2026.pdf (PDF, 1.62 MB) Appendix E _Preliminary Mine Closure and Rehabilitation Strategy - 2025.pdf (PDF, 30.24 MB) Appendix EE GHG Assessment Technical Report 2026.pdf (PDF, 590.2 KB) Appendix F_Material Characterisation Report 2025.pdf (PDF, 1.07 MB) Appendix FF_Subterranean Fauna Report 2025.pdf (PDF, 5.29 MB) Appendix G_Waterway Monitoring Plan 2026.pdf (PDF, 5.14 MB) Appendix GG_Offset Strategy 2026.pdf (PDF, 35.71 MB) Appendix H - Integrated Water Production Report 2026.pdf (PDF, 94.55 MB) Appendix I_Stakeholder Engagement Management Plan.pdf (PDF, 2.01 MB) Appendix J_Simply Stakeholders - Stakeholder Register.pdf (PDF, 373.05 KB) Appendix K_KGP Community Survey Results 2026.pdf (PDF, 318.91 KB) Appendix L_Social Impact Management Briefing Report 2026.pdf (PDF, 1.51 MB) Appendix M_Corporate Community Engagement Policy.pdf (PDF, 229.89 KB) Appendix N_Flora and Vegetation Assessment Report_2026.pdf (PDF, 33.33 MB) Appendix O_TEC Summary Memo_2025.pdf (PDF, 4.41 MB) Appendix P_Targeted flora survey for Roycea pycnophylloides 2025.pdf (PDF, 3.61 MB) Appendix Q_Phytophthora Dieback Desktop Assessment 2026.pdf (PDF, 5.33 MB) Appendix R_Flora and Vegetation Monitoring and Management Plan 2026.pdf (PDF, 2.87 MB) Appendix S_Basic and Targeted Vertebrate Fauna Survey 2026.pdf (PDF, 3.86 MB) Appendix S Figures_part2.pdf (PDF, 4.28 MB) Appendix S Figures_part3.pdf (PDF, 2.03 MB) Appendix S Figures_part4.pdf (PDF, 770.84 KB) Appendix T_Targeted Assessment for Mygalomorph Spiders 2026.pdf (PDF, 4.91 MB) Appendix U_Terrestrial Fauna Monitoring and Management Plan 2026.pdf (PDF, 4.28 MB) Appendix V_Section 18 Consent.pdf (PDF, 161.24 KB) Appendix W_Environmental Noise Assesment 2025.pdf (PDF, 5.37 MB) Appendix X_Visual Impact Assessment Report 2025.pdf (PDF, 6.38 MB) Appendix Y_Sub-Surface Material Charaterisation Report 2025.pdf (PDF, 10.94 MB) Appendix Z_Baseline Soil Assessment 2024.pdf (PDF, 10.13 MB) Date Published (Environmental Review documentation) July 20, 2026 Change to proposal during assessment under s. 43A s. 43A notice s. 43A Notice - 200426.pdf (PDF, 1011.87 KB) Date of approval s. 43A Mon, 20/04/2026 - 12:00
