Mahalo Gas Project EA amendment application (A-EA-AMD-100961118)

Closed
31 July 2026 11.59pm
Topic
Environmental licensing and regulation
Type
Public notice and consultation
Region
Outback Queensland

Santos QNT Pty Ltd (Santos) proposes an amendment to increase activities as part of the Mahalo Gas Project under EA P-EA-100178150 by including a series of ancillary activities as part of the proposal.

Mahalo Gas Project

Resource activity: Site specific petroleum and gas activity

It is advised that SANTOS QNT PTY LTD (ACN 083 077 196) and COMET RIDGE MAHALO PTY LTD (ACN 149 902 456) have lodged an application for a major amendment to an environmental authority in accordance with the requirements of the Environmental Protection Act 1994. The environmental authority being amended is P-EA-100178150.

The application relates to the Mahalo Gas Project located within the Central Highlands Regional Council (CHRC), approximately 40km north of Rolleston in Central Queensland. The Mahalo Gas Project is a joint venture between Santos QNT Pty Ltd and Comet Ridge Mahalo Pty Ltd. The project comprises two petroleum leases (PL1082 and PL1083), over a combined area of approximately 470km².

The resource activity is proposed to occur on PL1082 and PL1083 and will involve:

  • A gas compression facility.
  • Regulated structures – produced water and brine storage dams.
  • Accommodation camp.
  • Disposal of residual drilling material.
  • Additional Environmentally relevant activities (ERAs):
    • Ancillary 15 – Fuel burning.
    • Ancillary 55 2(c) – Other waste reprocessing or treatment.
    • Ancillary 62 1(c) – Resource recovery and transfer facility operation.
    • Ancillary 63 1(b-i) – Sewage treatment.

The application documents for the project consist of a cover letter, site-specific environmental authority amendment application form, supporting information report and request for further information response.

Application documents may be inspected or accessed at https://www.santos.com/ about-us/corporate-governance/public-notices.

Copies of, or extracts from, the application documents may also be obtained at https://environment.des.qld.gov.au/management/activities/non-mining/regulation/ environmental-authority/current-ea-applications#100961118

It is advised that any person may make a submission about the application documents during the submission period, which is from 03/07/2026 to 31/07/2026.
Submissions must be received on or before 11:59pm on the last day of the submission period.

Submissions must be sent to:
Department of the Environment, Tourism, Science and Innovation Energy and Extractive Resources Business Centre
GPO Box 2454 Brisbane QLD 4001
Email: energyandextractive@detsi.qld.gov.au
Attention: Manager (Assessment), Energy and Extractive Resources

The Department of Environment, Tourism, Science and Innovation as administering authority shall accept all properly made submissions and may accept written submissions even if they are not properly made. A properly made submission must meet all the following requirements:

  • Be written or made electronically.
  • State the name and address of each submitter.
  • Be made to the administering authority stated above.
  • Be received on or before the last day of the submission period.
  • State the grounds of the submission and the facts and circumstances relied on in support of the grounds.

Submission may be made using the Submission form: Application or amendment application for an environmental authority / PRC plan / PRCP schedule (ESR/2015/1617). If you wish to make submissions electronically, please use submission form (ESR/2015/1617) as a guide about the matters that are to be included.

Enquiries about the application can be made directly to: