In 2018, 4.175 million m3 of water was used in the industry sections. The majority of water was used for cooling purposes in electric power generation. The used water increased by 3.2% in relation to the previous year. A total of 4.150 million m3 of water was discharged, i.e. 3.7% more than the previous year.
From a total of 4.175 million m3 of water in the industry sections, 99.6% included water from own abstraction (98.8% 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 2018: Mining and quarrying – 11.3% decrease; Manufacturing – 40.7% decrease; Electricity, gas, steam and air conditioning supply – 4.9% increase.
Out of total water used for industry purposes, 97.7% included water used for Electricity, gas, steam and air conditioning supply, 2.0% for Manufacturing and 0.3% for Mining and quarrying.
In 2018, out of a total of 4.150 million m3 of discharged water, 97.8% included discharged water from the cooling system, while 2.2% was wastewater from the production process.
From a total quantity of discharged wastewater in industry, 98.0% related to wastewater from the section of Electricity, gas, steam and air conditioning supply, 1.8% from the section of Manufacturing and 0.2% from Mining and quarrying section.
Primary treatment with 85.3% is the most frequently used treatment in the industry sections, followed by a secondary treatment with 9.8% and tertiary treatment with 4.9%.