Proponent: Department of Defence
Overview
Department of Defence proposes to carry out 2 capital dredging campaigns of approximately 100,000m3 to 120,000m3 as part of upgrades to the Royal Australian Navy wharf facilities and basin navigation area at HMAS Coonawarra. Dredge spoil would discharge at a location near HMAS Coonawarra in Darwin Harbour, Larrakeyah, Darwin. The proposed action includes ongoing maintenance dredging at HMAS Coonawarra in the order of 10,000m3 to 15,000m3 every 5 to 7 years.
Stage 1: Referral
NT EPA notices
- Notice of decision to accept referral for standard assessment - 8 March 2022 PDF (851.5 KB) (referral withdrawn)
- Notice of decision to accept referral for standard assessment - 4 April 2022 PDF (966.8 KB)
- Notice of decision and statement of reasons - assessment by SER - 12 July 2022 PDF (132.4 KB)
Public consultation
Statutory notice 13 April 2022
The NT EPA invited public comment on a referral for standard assessment submitted by Department of Defence to carry out 2 capital dredging campaigns and ongoing maintenance dredging as part of upgrades to the Royal Australian Navy wharf facilities and basin navigation area at HMAS Coonawarra, Larrakeyah, Darwin.
Interested persons were invited to make a submission by 16 May 2022. The NT EPA made this notice in accordance with regulation 52(1) of the Environment Protection Regulations 2020.
| Referral documents | Type |
|---|---|
| Referral form | PDF 782.5 KB |
| Referral report and appendices A, D and E | PDF 15.6 MB |
| Appendix B - marine sediment sampling and analysis report 2019 | PDF 11.2 MB |
| Appendix C part 1 - marine sediment sampling and analysis report 2021 | PDF 6.2 MB |
| Appendix C part 2 - marine sediment sampling and analysis report 2021 | PDF 13.7 MB |
| Appendix C part 3 - marine sediment sampling and analysis report 2021 | PDF 3.4 MB |
| Appendix F part 1 - dredging modelling report | PDF 17.3 MB |
| Appendix F part 2 - dredging modelling report | PDF 14.5 MB |
| Appendix G - draft dredging and disposal management plan | PDF 8.1 MB |
| Submissions received on the referral information | Type | |
|---|---|---|
| 1 | Aboriginal Areas Protection Authority | PDF 410.7 KB |
| 2 | Department of Environment, Parks and Water Security | PDF 1.4 MB |
| 3 | Department of Industry, Tourism and Trade | PDF 178.5 KB |
| 4 | Department of Infrastructure, Planning and Logistics | PDF 95.5 KB |
| 5 | Department of Territory Families, Housing and Communities | PDF 414.3 KB |
| 6 | Department of the Chief Minister and Cabinet | PDF 82.2 KB |
| 7 | Northern Territory Police, Fire and Emergency Services | PDF 267.3 KB |
Stage 2: Assessment
Supplementary environmental report (SER)
NT EPA notices
Public consultation on SER
Statutory notice 2 May 2023
The NT EPA published a statutory notice on 2 May 2023 inviting public comment on the supplementary environmental report for the HMAS Coonawarra - Dredging and Dredged Material Management proposal, submitted by the Department of Defence. The NT EPA published the notice in accordance with regulation 122 of the Environment Protection Regulations 2020.
SER documents
| SER documents | Type |
|---|---|
| Declaration form | PDF 104.2 KB |
| SER - summary | PDF 3.1 MB |
| SER - main report and appendices A, B and C | PDF 19.3 MB |
| Appendix D - supplementary dredging modelling report | PDF 14.3 MB |
| Appendix E - draft dredging and disposal management plan | PDF 11.1 MB |
| Submissions received on the SER | Type | |
|---|---|---|
| 1 | Department of Environment, Parks and Water Security | PDF 858.9 KB |
| 2 | Department of the Chief Minister and Cabinet | PDF 67.2 KB |
Note: No public submissions were received.
Stage 3: Assessment completed
NT EPA notice
Statutory notice (4 September 2023)
The NT EPA provided its assessment report 103 (including a draft environmental approval) to the Minister for Environment, Climate Change and Water Security on 23 August 2023, under sections 64 and 65 of the Environment Protection Act 2019.
The assessment report and draft environmental approval may be inspected and obtained above.
The NT EPA publishes this notice in accordance with section 67 of the Environment Protection Act 2019.
Once the Minister for Environment, Climate Change and Water Security’s decision is made, it can be viewed on the Department of Environment, Parks and Water Security website.