Impact Statement (updated April 14, 2026)

• Notice to Reader (PDF – 112 KB)
• Master Table of Contents (PDF – 916 KB)
• Glossary of Terms.pdf (PDF – 170 KB)
• Acronyms List (PDF – 230 KB)
• Signature Page (PDF – 301 KB)

Chapters

• Section 1 Introduction (PDF – 10 MB)
• Section 2 Engagement and Consultation Summary (PDF – 2 MB)
• Section 3 Evaluation of Project Alternatives (PDF – 22 MB)
• Section 4 Project Description (PDF – 8 MB)
• Section 5 Environmental Assessment/Impact Assessment Approach and Methods (PDF – 1022 KB)
• Section 6 Geology, Terrain and Soils (PDF – 26 MB)
• Section 7 Surface Water (PDF – 11 MB)
• Section 8 Groundwater (PDF – 8 MB)
• Section 9 Atmospheric Environment (PDF – 22 MB)
• Section 10 Fish and Fish Habitat (PDF – 9 MB)
• Section 11 Vegetation and Wetlands (PDF – 18 MB)
• Section 12 Wildlife and Wildlife Habitat (PDF – 46 MB)
• Section 13 Species at Risk (PDF – 23 MB)
• Section 14  Social Environment (PDF – 8 MB)
• Section 15 Economic Environment (PDF – 6 MB)
• Section 16 Non-Traditional Lands and Resource Use (PDF – 36 MB)
• Section 17 Human Health (PDF – 3 MB)
• Section 18 Visual Environment (PDF – 7 MB)
• Section 19 Indigenous Peoples and Aboriginal and Treaty Rights (PDF – 31 MB)
• Section 20 Cultural Heritage and Archaeological Resources (PDF – 4 MB)
• Section 21 Cumulative Effects Assessment (PDF – 4 MB)
• Section 22 Follow-Up and Monitoring (PDF – 505 KB)
• Section 23 Accidents and Malfunctions (PDF – 748 KB)
• Section 24 Effects of the Environment (PDF – 31 MB)
• Section 25 Effects on Canada's Ability to Meet Environmental Obligations and Climate Change Commitments (PDF – 3 MB)
• Section 26 Project Contributions to Sustainability (PDF – 1 MB)
• Section 27 Conclusions (PDF – 436 KB)

Appendices

• Appendix A1 Concordance Table with Tailored Impact Statement Guidelines (PDF – 2 MB)
• Appendix A2 Concordance Table with Terms of Reference (PDF – 941 KB)
• Appendix B Qualifications and Role of Project_Team (PDF – 274 KB)
• Appendix C1 Background Studies (PDF – 990 KB)
• Appendix C2 Factors, Disciplines, Criteria Indicators (PDF – 281 KB)
• Appendix C3 Multiple Accounts Assessment Datasets (PDF – 293 KB)
• Appendix D1 Preliminary Engineering Report (PDF – 101 MB)
• Appendix D2 Webequie Aggregate Sites (PDF – 5 MB)
• Appendix E Mitigation Measures (PDF – 639 KB)
• Appendix F Natural Environment Existing Conditions Report (PDF – 495 MB)
• Appendix G Air Quality Impact Assessment Report (PDF – 19 MB)
• Appendix H Greenhouse Gas Emissions Report (PDF – 2 MB)
• Appendix I Climate Change Resilience Review Report (PDF – 10 MB)
• Appendix J Noise and Vibration Technical Report (PDF – 19 MB)
• Appendix K1 Vegetation Wetlands Functional Effects Modelling (PDF – 4 MB)
• Appendix K2 Vegetation Invasive Species Clean Equipment Protocol (PDF – 2 MB)
• Appendix K3 Vegetation Conceptual Restoration Plans (PDF – 427 KB)
• Appendix K4 Vegetation Wetlands Function Monitoring Program (PDF – 963 KB)
• Appendix L Socio-Economic Existing Conditions Report (PDF – 44 MB)
• Appendix M Gender Based Analysis Plus (GBA+) Report (PDF – 2 MB)
• Appendix N Community Readiness Plan (PDF – 729 MB)
• Appendix O Country Foods Assessment Report (PDF – 24 MB)
• Appendix P Human Health Risk Assessment (PDF – 4 MB)
• Appendix Q Health Impact Assessment Report (PDF – 6 MB)
• Appendix R Visual Impact Assessment Report (PDF – 6 MB)
• Appendix S Cultural Heritage Report (PDF – 13 MB)
• Appendix T Stage 1 Archaeological Assessment Report (PDF – 5 MB)
• Appendix U General Habitat Description Category 2 and 3 Mapping Report for Net Effects Assessment in Ozhiski and Missisa Caribou Ranges 2024 (PDF – 6 MB)
• Appendix V Environmental/Impact Assessment Mitigation and Monitoring Commitments Table (PDF – 4 MB)

Records of Consultation and Engagement

• Final Record of Engagement and Consultation (PDF – 958 KB)
• P1.A Project Contact List (PDF – 277 KB)
• P1.B Notifications Sent to Indigenous Communities (PDF – 3.9 MB)
• P1.C Notifications Sent to Public Stakeholders (PDF – 3.6 MB)
• P1.D Terms of Reference Public Information Centre 1 Presentation Feedback (PDF – 3.5 MB)
• P1.E Correspondence with Indigenous Communities (PDF – 21.5 MB)
• P1.F Correspondence with Government Stakeholders (PDF – 10.5 MB)
• P1.G Correspondence with Other Stakeholders (PDF – 5.5 MB)
• P1.H Agency Proponent Responses.pdf (PDF – 834 KB)
• P2.A Project Notifications and Updates (PDF – 56 MB)
• P2.B Newsletters (PDF – 17 MB)
• P2.C Public Information Center Sessions (PDF – 50 MB)
• P2.D Virtual Information Sessions and Other Forums and Events (PDF – 183 MB)
• P2.E First Nation On-Reserve Community Meetings and Summaries (PDF – 57 MB)
• P2.F First Nation Chief and Council Meetings and Summaries (PDF – 26 MB)
• P2.G First Nation Off-Reserve Meetings and Summaries (PDF – 30 MB)
• P2.H Topic-specific Information Sessions and Other Engagement Materials (PDF – 989 KB)
• P2.I Correspondence with Indigenous Communities and Groups (PDF – 261 MB)
• P2.J Correspondence with the Public and Stakeholders (PDF – 47 MB)
• P2.K Technical Meetings with Government Stakeholders (PDF – 4 MB)
• P2.L Consultation Progress Reports for Indigenous Communities (PDF – 135 MB)
• P2.M Comment Response Tables for Draft Impact Statement (PDF – 14 MB)

Addenda

• 1. Responses to Comments on Assessment of Effects on Indigenous Peoples and Supplemental Information for the Assessment of Impacts on Indigenous Rights (PDF – 2 MB)
• 2. Responses to Comments on the Assessment of Effects on Vegetation and Wetlands (PDF – 90 MB)
• 3. General Supplemental Information (PDF – 6 MB)
• 4. Responses to Comments on Human Health Risk Assessment (PDF – 6 MB)
• 5. Responses to Comments on the Assessment of Effects on Wildlife and Wildlife Habitat (PDF – 448 KB)
• 6. Responses to Comments on the Assessment of Effects on Species at Risk - Bats, Birds, Wolverine, and Lake Sturgeon (PDF – 24 MB)
• 7. Responses to Comments on the Assessment of Effects on Species at Risk - Caribou (PDF – 44 MB)

Clarification from the Impact Assessment Agency of Canada
(April 30, 2026)

• Clarification by the Impact Assessment Agency of Canada (IAAC) on the description of temporary bridges as it relates to the water crossing at Winisk Lake (PDF – 102 KB)

Updated mitigation and monitoring commitments table from the proponent (June 10, 2026)

• Updated Appendix V – Environmental Assessment/Impact Assessment Mitigation and Monitoring Commitments Table – June 2026 (PDF – 3.35 MB)