Published 26.03.2021 In connection with the death of fish in the Zhanadariya reservoir, specialists of the integrated laboratory of the branch of the RSE "Kazhydromet" in the Kyzylorda region on March 19, 2021. according to the joint work plan with the RSU "Kyzylorda Regional Territorial Inspectorate of Forestry and Wildlife", an unscheduled visit and sampling of water was carried out at 3 points of the Zhanadariya reservoir.
The analysis of water quality was carried out on 28 physical and chemical indicators, including the main ions, biogenic, organic and inorganic substances, and heavy metals.
According to the results of the analysis of the water of the Zhanadariya reservoir, the water temperature is in the range of 0.5-4.6 ° C, the hydrogen index is 8.0-9.0, the concentration of oxygen dissolved in the water is 9.1-10.2 mg / dm3, BPK5-0.8-0.9 mg/dm3, the transparency is 21 cm, the smell is 0 points, the smell is not characteristic of natural water, the water is transparent.
Excess water quality standards were recorded for sulfates – 370-420 mg/dm3(1.1-1.2 times).