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Westpork Pty Ltd – West Pinjarra (Formerly operated by GD Pork Pty Ltd)

Background

GD Pork Pty Ltd (GD Pork) held Licence L9142/2018/1 for an intensive piggery at Lot 502 Sutters Lane in West Pinjarra, south of Perth.

On 2 November 2018, the Department of Water and Environmental Regulation (DWER) was advised that GD Pork had been placed into administration. 

On 12 April 2019, Westpork became the occupier of the premises and applied to transfer licence L9142/2018/1 into its name. On 17 May 2019, the department transferred the licence to Westpork, which is required to comply with the conditions of that licence.

On 25 July 2019, the department issued an Environmental Protection Notice (EPN) to Westpork Pty Ltd to restrict animal numbers on the premises to 3,121 standard pig units* by 15 June 2020. This was considered appropriate and necessary to reduce odour emissions from piggery operations, if the proposed strategies to reduce odours and improve waste management, described below, are not carried out in a reasonable timeframe.

On 12 August 2019 the department hosted a community consultation meeting at Lesser Hall, Pinjarra. Representatives of the department and Westpork provided an overview of the current and future management of the premises and responded to questions.

On 24 September 2019 the department amended Westpork’s Licence L9142/2018/1 to extend its duration to align with the destocking date specified on the EPN.

What is Happening Now?

Westpork has proposed a strategy to address issues associated with odour and waste management at the premises.

This included desludging of the existing anaerobic pond, and the installation of additional wastewater treatment infrastructure.

The desludging of the existing anaerobic pond is expected to reduce odour emissions by bringing solid waste effluent (sludge) below the water line in the pond. Westpork has confirmed the desludging campaign has been completed in December 2019.

On 20 December 2019, DWER approved works approval W6292/2019/1, which authorises the installation of the additional wastewater treatment infrastructure. A copy of the works approval and associated decision report is available here.

The approved works comprise the construction of a covered anaerobic digester, two settlement trenches and a biogas treatment system. This infrastructure is anticipated to improve wastewater treatment and odour management at the premises. The department anticipates that once operational this infrastructure will lead to a reduction in the odour impacts experienced by the local community.

Once the works are complete Westpork will be required to apply for a licence amendment to authorise continued use of the infrastructure and to continue operating with the current animal numbers on the premises. At this point the department will assess the acceptability of the operations and whether the EPN can be withdrawn.

The department will also continue to carry out regular inspections of the premises to assess compliance with the EPN and to monitor emissions.

More information

Members of the community are reminded that it is important to report odour impacts at the time that they occur by calling the Pollution Watch Hotline on 1300 784 782. The online reporting tool can be used to lodge complaints after the impact has occurred.

If you have any further questions relating to this issue, please email This email address is being protected from spambots. You need JavaScript enabled to view it..

*A standard pig unit (SPU) defines piggery capacity by manure production. The manure and waste feed produced by one SPU contains the equivalent amount of volatile solids (VS) to that typically produced by an average size grower pig. This is equivalent to 90 kg of VS per year.


 Updated February 2020