Neutrog - Kanmantoo

Environmental risks from composting activities may include nuisance dust and odour from the management of organic material in the composting process.

Odour

The EPA is aware of odour issues generated by the operations of Neutrog affecting the local community. The EPA licence requires Neutrog to take actions to minimise odour emissions from the site. This includes the engagement of an air quality specialist to assess odour sources and make recommendations to improve the performance of the site to reduce odour.

Neutrog finalised an Environment Improvement Program (EIP) in September 2023 which proposes a plan to improve the site’s odour performance. The measures to improve odour were informed by qualified experts who assessed the odour performance of the site. The EIP must be complied with as per the EPA licence.

Dust

Neutrog has a licence requirement to implement and comply with a dust management plan and take reasonable and practicable measures to minimise fugitive dust leaving the boundary of the site. The EPA’s role in regulating dust includes:

• Ensuring compliance with licence
• Triaging and investigating dust complaints
• Conducting observations in the community to verify sources of dust
• Undertaking site inspections of the Neutrog site
• Verifying dust management practices are being implemented.

During composting activities, the EPA expects Neutrog to implement all appropriate measures to minimise any impact on air quality. This includes dust suppression, ensuring that meteorological conditions for certain operational activities are considered, and implementing all necessary controls to restrict and control fugitive dust leaving the site.

The EPA values feedback from the community about environmental impacts, for example odour because it assists with understanding the impact at different times, under various conditions, and in different geographical areas. Community reports assist with identifying patterns, specific sources and improving the quality of information available to the EPA.

To lodge an environmental report, visit Your EPA. Community members can also lodge odour reports through the EPA’s online reporting portal or by completing a hard copy odour diary.

For more information about the EPA’s regulation of odour, please visit our odour management page

Community members are encouraged to actively participate in the delivery of Neutrog’s Community Engagement Action Plan which was approved by the EPA in September 2025. Please contact Neutrog for more details.

Neutrog’s licence was due to expire on 31 December 2025. Neutrog lodged an application to renew the licence to continue composting activities at the Kanmantoo site. The EPA assessed the application in line with the requirements set out in the Environment Protection Act 1993 and renewed the licence for a period of 18 months. The licence includes updated conditions that must be complied with, including:

• Introducing the requirement for Neutrog to develop a Stockpile Management Plan and record keeping requirements relating to current stockpile management practices on site.
• Requiring Neutrog to review its Dust Management Plan and Odour Management Plan to minimise potential impacts relating to dust and odour.

The updated licence, which includes the conditions in full is available on the public register.

EPA officers will continue to regularly inspect and monitor Neutrog’s Kanmantoo operations to ensure it is complying with licence conditions.

Some of the questions we are frequently asked include:

• What is the best way to lodge an environmental report about the Neutrog facility?
• How can I report odour impacts to the EPA?
• How can I report dust impacts to the EPA?
• What is the EPA doing to manage odour impacts from the Neutrog facility?
• Where can I find out more about Neutrog’s licence conditions?

Answers to these questions are available on our Frequently Asked Questions page.