To date, seven bi-annual surveys have been completed using this method and this report includes the full results of the November 24 and May 25 surveys, as well as a preliminary overview of trends/patterns seen across the seven surveys completed to date.
For 2024/25, across 106,619 square metres surveyed, 12,764 items of litter were counted, with a calculated volume of 716.61 litres.
Cigarette Butts and filters were found to be the most common item by count, while Paper and Card food packaging was the highest item by volume. On a raw basis, Main Road sites contained the highest litter by count and Industrial had the highest litter
by volume. Beaches had the lowest litter levels by raw count and volume. Plastic represented the highest material found by count (58%) and volume (31%). Detailed data and analysis is provided for site types, and key litter items and categories in Section 3.0
Litter Data by Site Type and Section 4.0 Key Categories and Items.
In this report litter data has been provided by site types and key categories to establish a basis for trend analysis under this newly developed litter count method
Australian Litter Measure
Research and analysis
Summary of the findings of the Australian Litter Measure litter surveys completed across the Perth Metropolitan Area during the 12 months to June 2025.
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Published
1 May 2022
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