Malabar wastewater plant discharges 5.4bn to 120bn of microplastics each day, report says, prompting calls for more advanced treatment processes
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It is not just human waste that is being pumped into the ocean off Sydney’s popular beaches due to the city’s unusual and archaic sewerage system – government scientists have confirmed billions of microplastics are also polluting the water.
A CSIRO report, released in 2020 but not reported on until now, found the wastewater treatment plant (WWTP) at Malabar discharged an estimated 5.4bn to 120bn of microplastics into the ocean each day.
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Source: https://www.theguardian.com/australia-news/2025/feb/16/sydney-sewerage-system-a-significant-source-of-microplastic-pollution-csiro-finds
