Study Highlights Environmental Impact and Next Steps
SYDNEY — A landmark report has unveiled the most microplastic-contaminated waterways in New South Wales, with the Cooks River, Dee Why Lagoon, and Muddy Creek among the most affected. The NSW Environment Protection Authority (EPA) and the Department of Climate Change, Energy, the Environment and Water (DCCEEW) released the findings this week, marking the state’s first comprehensive microplastic assessment.
The Broadscale Microplastic Assessment, which ranks waterways based on microplastic concentrations, aims to guide future environmental strategies. NSW EPA Chief Executive Tony Chappel stated that the pervasive presence of microplastics is a significant threat to marine ecosystems and requires targeted action. “Microplastics were found in every waterway sampled, highlighting the widespread contamination across various regions,” Chappel said.
The study identified over 31,000 microplastic particles, including foam packaging and plastic pellets, across 120 catchments from the Tweed to the Victorian border. The findings are expected to inform future pollution control measures and policy developments.
Microplastic Pollution Findings
According to the report, the top ten contaminated sites include Toongabbie Creek and Throsby Creek, with Myall Lake and Nadgee Lake among the least affected areas. The EPA plans to utilise this data to map pollution sources and pathways, particularly in urban areas like the Cooks River and Manly Lagoon, to implement more effective pollution management strategies.
The report’s release coincides with increased efforts to curb plastic pollution across the state, including compliance with plastic bans and community awareness initiatives. Chappel emphasised the importance of the data in crafting local solutions and strengthening policies to prevent microplastics from entering ecosystems. “This data allows us to pinpoint where action is most needed, ensuring our efforts are impactful,” he added.
The full report is available on the EPA’s website, providing detailed insights into the state of NSW’s waterways and the ongoing battle against microplastic pollution.
Source: newshub.medianet.com.au
Last updated: 1 April 2026, 10:31 am

