DOI 10.35776/VST.2022.12.01
UDC 614.77:628.161

Strelkov A. K., Bykova P. G., Palagin Evgenii

On the state of the water quality in the Kuibyshev and Saratov water reservoirs and the prospects for one- and two-stage treatment schemes

Summary

The results of studying the physical and chemical composition of the source water of the Kuibyshev and Saratov water reservoirs at the water intake sites operated by Avtogradvodokanal LLC, Tolyatti Urban District, and Samara Utility Systems LLC, Samara Urban District, for 2015–2021 are presented. Limiting values ​​of 59 indicators of the water quality of the Kuibyshev water reservoir and 52 indicators of the Saratov water reservoir have been established. The water in both water reservoirs polluted with resistant to oxidation organic substances, can be referred to the III hazard class and is assessed as «moderately polluted». In the water of the Kuibyshev reservoir increased concentrations of phytoplankton and zooplankton were found. The reservoir water needs physical and chemical treatment before being supplied to the consumers. It is shown that the physical and chemical composition of the water of the Kuibyshev water reservoir in terms of turbidity, concentration of phytoplankton and zooplankton is worse than the water composition in the Saratov water reservoir; therefore, it requires additional treatment before being supplied to the treatment plant.

Key words

turbidity , chromaticity , reservoir , permanganate oxidizability , raw water

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