Cadmium is a heavy metal, non-essential and non-beneficial to living organisms; as an environmental pollutant it is typically associated with road runoff, fuel, gas, lubricating oil products, tyre and brake wear (Davies et al., 2000).

Here, cadmium levels were investigated in soil-, sediment- and water- samples, collected in 2019, from an urban reserve in Perth, Western Australia. The objective of the study was to assess measured levels, against existing guidelines. Spatial and statistical analyses were conducted to compare values across the waterways within the site, or soil depth, pH, and salinity.

The study suggested generally lower contaminations of soils and sediments, relative to water. Overall, only a small number of samples exceeded the limits recommended by the guidelines. Although this preliminary dataset suggests limited Cd pollution withing the reserve, the true, long-term effects of the detected breaches (especially after exportation) cannot be predicted.

Read an excerpt of the full report here.