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It was established that the average chemical indicators of water (ml/l) were as follows: 760 for mineralization, 73 for chlorides, 54 for sulfates, and water pH was not more than 8. Taking into account the indicators of the groundwater quality in this area, it can be said that the general pollution resistance of natural waters is low. The main indicators characterizing quality and use of water from this source were considered. Coming of industrial effluents from ore mining and processing facilities and metallurgical production of the integrated metallurgical plant has led to a significant change in the physicochemical parameters of the aquatic environment, which limits this water use. In general, the irrigation indices calculated in this work comply with the norms. However within the city limits (pond-cooler), water is characterized by an elevated pH (>8), which is already a limitation for the use of pond water for irrigation. It should be noted that water containing CO 2 >1.5 mg-equ./l and pH>8.4 has limitations for irrigation of crops. The obtained data are important for the use of water for the needs of population and the city-forming Magnitogorsk Metallurgical Works PJSC.

Investigation of surface water quality in magnitogorsk industrial area for the environmental estimation of technogenic watercourse state