Environmental monitoring of Lake Baikal

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Water quality of rivers of the BNT according to hydrochemical indicators

Regular monitoring of water quality of the rivers within the Baikal Natural Territory according to hydrochemical indicators in 2016 was carried out at 39 outlets.

Class of water quality was calculated according to the observations of the State monitoring network of Roshydromet in 2016 with the use of RD (Regulatory document) 52.24.643-2002 “Methodological guidelines. Method of integrated assessment of the surface water pollution degree according to hydrochemical indicators”.

The classification of water pollution rate is represented by the conventional division of the whole range of composition and properties of natural waters under conditions of anthropogenic impact by different intervals, with a gradual transition from “conditionally clean” to “extremely dirty” in values of combinatorial water pollution index with consideration of a number of additional factors.