Tim’s Thicket Waste Management Facility

Background

The City of Mandurah holds licence L6860/1995/11 under Part V of the Environmental Protection Act 1986 (EP Act) to undertake the following activities at the Tim’s Thicket Waste Management Facility (the Facility) in Dawesville:

  • Category 13: Crushing of building material
  • Category 63: Class I inert landfill site

A now decommissioned liquid waste facility also operated at the Facility until early 2015.

The current licence is available HERE.

On 17 November 2016 the City of Mandurah applied for an amendment to licence L6860/1995/11 for approval to construct and operate a liquid waste facility.

This proposal was also referred to the Environmental Protection Authority (EPA) by the City of Mandurah in March 2017 on the basis that changes may be required to the existing Ministerial Statement 375.

During the assessment under Part IV of the EP Act and following community feedback, the City of Mandurah made a number of changes to the proposal to reduce the impact to the environment. In February 2019, the City of Mandurah withdrew and resubmitted a new Licence amendment application with the following changes requested to the proposal:

  • An upgraded liner system under the ponds;
  • Replacing the balancing pond with a facultative pond;
  • Replacing the storage pond with an oxidation pond;
  • Removal of the biological nutrient removal plant;
  • Replacing the irrigation field with an evaporation pond.

Assessment of this licence amendment application was placed on hold by the department pending the assessment of the proposal by the EPA.

Reviewed: March 2021.

What is happening now?

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On 27 November 2019, EPA Report 1657 (PDF) was published. The report was subject to appeal which was determined by the Minister on 5 August 2020 (Appeal 60/19).

The EPA concluded that the proposal was environmentally acceptable. On 10 September 2020 Ministerial Statement 1151 was issued approving the implementation of the proposal to recommence the acceptance of liquid waste for treatment at the Facility subject to conditions specified in the statement.

Following this determination of the proposal under Part IV of the EP Act, and the subsequent issuing of the Ministerial Statement, assessment of the Licence amendment application under Part V of the EP Act recommenced.

Amendment to licence L6860/1995/11

The licence amendment application was publicly advertised on the department’s website, in the West Australian and in the Mandurah Coastal times in October 2020.

In February 2021, the department received notification from the City of Mandurah that they wished to withdraw the licence amendment application as the liquid waste treatment project was no longer proceeding.

The licence amendment application has now been marked as withdrawn on the department’s records.

Decommissioning of existing ponds and infrastructure

The City of Mandurah have notified the department that the remaining infrastructure at the existing septage facility will be removed and decommissioned.

More information

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The department will update this page as new information comes to hand.

 
Page reviewed 9 April 2021