Our mine approvals

Mining operations at our Huntly and Willowdale mines are approved under our rolling five-year Mining and Management Program (MMP) which is considered by the State Government.

We are transitioning all future mining approvals to the more contemporary Environmental Protection Authority (EPA) assessment and approvals process.  This includes our next proposed mine regions in Myara North and Holyoake.

Mining and Management Programs

The robust statutory process for developing, reviewing and approving Mining and Management Programs (MMP) – for our Huntly and Willowdale bauxite mines is currently set through the WA State Agreements that govern our operations.

Our MMPs detail our full operational cycle including:

  • Exploration
  • Environmental and social studies and management
  • Community and stakeholder consultation
  • Mining
  • Rehabilitation
  • Continuous improvement

We work cooperatively with various stakeholders to adapt our MMPs to meet evolving requirements and expectations.


Protecting environmental and social values

Our MMPs set out how potential environmental and social impacts are identified, avoided, minimised, or managed throughout our operational cycle. Areas of particular focus include:

  • Biodiversity
  • Water
  • Emissions (air, noise)
  • Amenity
  • Heritage
  • Recreation
  • Access
  • Fire
  • Forest restoration

In addition to this statutory mine planning and approvals process, our operations are governed by the full suite of environmental laws that apply across the State and country.

Our 2025 - 2029 Mining and Management Program (MMP) for Huntly and Willowdale mines was approved by the Minister for State Development in October 2026 supporting mining at our current Myara, McCoy and Larego regions.

Key commitments and conditions associated with the plan include:

Reducing forest impacts

  • Capping clearing at 800 hectares per annum across our two mines
  • Prioritising rehabilitation in areas considered vulnerable and changing mining practices to accelerate rehabilitation of mined pits

Enhancing protection of drinking water

  • Ceased mining within 2 kilometre of public drinking water reservoirs
  • Enhancing water monitoring and drainage controls

Increasing transparency

  • Publishing our annual rolling five-year mine plan and associated management plans on our website within seven days of approval.

Further Information

2025 – 2029 MMP and supporting documents can be viewed here.

Transitioning our future mine approvals

We are committed to working with the WA Government to modernise our State Agreements and the approvals framework for our bauxite mines and alumina refineries in the State.

This includes moving all proposed new major mining regions to the more contemporary EPA assessment and approvals process. We started this process in 2020 when we referred our next proposed mine regions – Myara North and Holyoake – for EPA assessment, and this assessment is continuing.

Further information about this project can be found on our website.

Map of southwestern region of Australia highlighting Alcoa refineries and shipping in Kwinana, Pinjarra, Wagerup, and Bunbury in relation to Alcoa bauxite mines in Huntly and Willowdale within the boundary of Alcoa’s Mineral Lease 1SA