In 2020, 3 976 million m3of water was used in the industry sections. The majority of water was used for cooling purposes in electric power generation. The used water decreased by 6.1% in relation to the previous year.
From a total of 3 976 million m3 of water abstracted in the industry sections, 99.6% included water from own abstraction (98.7% surface water, 0.9% groundwater), and 0.4% from public water supply system.
Water used for industry purposes, observed by sections and in relation to the previous year, recorded the following trend in 2020: Mining and quarrying –21.6% increase; Manufacturing – 3.9% decrease; Electricity, gas, steam and air conditioning supply – 6.2% decrease.
Out of total water used for industry purposes, 97.5% included water used for Electricity, gas, steam and air conditioning supply, 2.1% for Manufacturing and 0.4% for Mining and quarrying.
From a total quantity of 104 million m3 of wastewater[2] in industry, 47.2% included water from the section Electricity, gas, steam and air conditioning supply, 39.5% from Manufacturing section and 13.3% from the section of Mining and quarrying.
In 2020, a total of 28 million m3 water was purified, of which 63.0% by primary treatment, 18.6% by secondary treatment and 18.4% by tertiary treatment. The largest share of purified water in the industry section was that of the division Manufacture of basic metals, 19.4%, followed by Manufacture of chemicals and chemical products, 16.3%, Manufacture of food products with 15.7% and Manufacture of paper and paper products with 9.4%. The share of purified water in all the remaining divisions of the industry section was 39.2%.