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Microplastics in drinking water

Ljiljana Nikolić Bujanović, Sanja Mrazovac Kurilić, Violeta Cibulić

Zbornik radova, 2025

Abstract

This thesis examines microplastics in the drinking water supply system at the confluence of the Rokytná and Jihlava rivers. The main goal was to compare microplastic concentrations in both rivers in relation to catchment characteristics and to track changes during infiltration, treatment, and distribution. Results show that both natural filtration and water treatment significantly reduce concentrations and alter particle composition. However, microplastics were still detected in the treated water. A rise in particle numbers during distribution suggests the infrastructure may act as a secondary source. Nevertheless, drinking water remains a minor source of microplastic exposure according to current literature.

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