Reports and research

NQBP has spent more than three years undertaking detailed studies and engaging with a range of stakeholders to understand the source of natural sediment accumulation and appropriate removal and placement options at the Port of Hay Point.

These assessment reports have been developed in consultation with a range of professionals and stakeholder groups. For more detailed information on any aspect of this assessment ,you can view the reports and associated appendices below.

To see how all the reports and research fit together, view our research diagram.

Independent audit report

Environmental assessment and planning consultancy Ethos NRM completed independent audits of the 2019 and 2024 maintenance dredging programs.

Both the 2019 report and the 2024 report found that the Port of Hay Point Maintenance Dredging Programs were undertaken consistent with the approvals and management plan requirements issued prior to the dredging programs being undertaken.

Sustainable Sediment Management

• Sustainable Sediment Management Summary
• Appendix A List of Technical Advisory Consultative Committee Members
• Appendix B Comparative Analysis Technical Report
• Appendix C Sediment Dynamics Report
• Appendix D1 Bathymetric Analysis and Modelling Report
• Appendix D2 TC Debbie Bathymetric Analysis Report
• Appendix E Predictive Modelling Technical Report
• Appendix F Sedimentation Impacts on Port Operations
• Appendix G Economic Impacts on not Maintaining Sediment Accumulation
• Appendix H Assessment for Navigational Maintenance
• Appendix I Comprehensive Beneficial Reuse Assessment
• Appendix J Marine Sediment Properties Assessment
• Appendix K Onshore Pond and Reclamation Engineering Design
• Appendix L Environmental Values Assessment

• Economic Reviews
• Peer Reviews

• Beneficial Reuse - Habitat Restoration or Creation - Feasibility Study

• Sediment Characterisation Report ^new
• Hay Point Disposal Site Analysis ^new

Environmental Risk Assessment

• Environmental Risk Assessment Introduction and Synopsis
• Appendix A Plume Modelling Assessment - part 1
• Appendix A Plume Modelling Assessment - part 2
• Appendix B Natural Sediment Resuspension Assessment
• Appendix C Sediment Analysis Plan
• Appendix D Risk Assessment Methodology
• Appendix E Likelihood of Occurrence Assessment
• Appendix F Protect Matters Search Tool Results
• Appendix G OUV in the GBRWHA
• Appendix H EPBC Act Significant Impact Assessment

Management Plans

• Management Plans Port of Hay Point Summary
• Environmental Thresholds Report
• Long-term Maintenance Dredge Management Plan
• Maintenance Dredging Environmental Management Plan
• Marine Environmental Monitoring Program

Research diagram