Analysis determines water quality class as clean for Tskhenistskali and Lukhuni rivers, suggesting minimal pollution impact.
The paper discusses the physicochemical and hydrochemical characterisation of the waters of the rivers (Lukhuni and Tskhenistskali) in the areas adjacent to the arsenic processing enterprises of the Racha-Lechkhumi and Kvemo Svaneti region. The paper summarises multi-year (2021-2024) data on the studied rivers. Based on the obtained results, the ecological condition of the rivers was assessed. Using the proposed equation and chemical indicators (Water Framework Directive2000/60/EC), the river pollution index and river water quality were determined. According to the pollution index, both rivers were assigned water quality class 1 and belonged to the "clean" category.
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Shavliashvili et al. (2025) studied this question.
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