ProjectProponent: Ausgold LimitedProposal 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 68.78 hectares (ha), which includes the disturbance of 58.39 ha of native vegetation over a 10-year life of mine. The annual total pit dewatering volume is estimated to be 0.4 gigalitres per year (GL/yr) with a maximum of 0.5 GL/yr. Assessment Number: 2564Region: PerthReferred under EP Act: s38Industry sector: GoldLast updated: December 23, 2025Current Status: Decision on whether to assess has been published 1. ReferralComment on this referral: Katanning Gold ProjectComment period: Tuesday, 25 November, 2025 to Monday, 1 December, 2025Referral documentation: Appendix A_s38 Referral Form.pdf Appendix AA_GHG Assessment Technical Report 2025.pdf Appendix B_Proposal Content Document.pdf Appendix BB_Bennelongia Subterranean Fauna Report 2025.pdf Appendix C_Open Pit Definitive Feasibility Study Report.pdf Appendix D_Traffic Impact Assessment Report 2025.pdf Appendix E_SRK Material Characterisation Report 2025.pdf Appendix F_Stakeholder Engagement Management Plan.pdf Appendix G_Simply Stakeholders - Stakeholder Register.pdf Appendix H__KGP Community Survey Results.pdf Appendix I_Corporate Community Engagement Policy.pdf Appendix J_Hydrobiology Waterway Monitoring Plan 2025.pdf Appendix K_Mattiske Flora and Vegetation Report_2025.pdf Appendix L_Talis TEC Summary Memo_2025.pdf Appendix M_Targeted flora survey for Roycea pycnophylloides 2025.pdf Appendix O_Stantec Terrestrial Fauna Monitoring and Management Plan 2025.pdf Appendix P_Section 18 Consent.pdf Appendix Q_Terra Rosa 2011 Site Avoidance Report Jinkas Hill Prospect Area.pdf Appendix R_Terra Rosa 2015 Heritage Survey Jinkas Hill.pdf Appendix S_Terra Rosa 2019 Cultural Salvage Outcomes Jinkas Hill.pdf Appendix T_Environmental Noise Assesment 2025.pdf Appendix U_Visual Impact Assessment Report 2025.pdf Appendix V_KGP Sub-Surface Materials Characterisation Report 2025.pdf Appendix W_Landloch Baseline Soil Assessment 2024.pdf Appendix X_Pre-Feasability Study_Characterisation of Waste Rock 2022.pdf Appendix Y - Site Based Environmental Management Plan.pdf Appendix Z_Air Quality Report 2025.pdf Appendix N1_TE Fauna Report - no figures no appendices - REDACTED.pdf Appendix N2_TE Fauna Report - no figures no appendices.pdf Appendix N3_TE Fauna Report_Figures.pdf Appendix N4_TE Fauna Report_Figures_REDACTED.pdf Appendix CC1 Ausgold Hydrogeological Report 2025.pdf Appendix CC_2_Ausgold Integrated Hydrogeological Report 2025.pdf TE23003 - Ausgold s38 Referral_Supporting Doc_1.0_Signed_FIGURES ONLY.pdf 2. Decision on whether to assess this proposalExtract of determination: Katanning Gold ProjectPreliminary Environmental Factors: Air QualitySocial SurroundingsFlora and VegetationTerrestrial FaunaInland Waters