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The main purpose of this research is to assess the quality of groundwa- ter and the extent of its contamination in the Eastern Donbass. To achieve this goal, standard mathematical statistics and an original method of as- sessing water quality using the total pollution indicator are used. The lead- ing drivers of environmental transformation in the region are the coal min- ing industries. Under the influence of these factor intensive pollution of groundwater are formed. The assessment of groundwater quality has been implemented in relation to the requirements of the United States, the Eu- ropean Union, the World Health Organization and the Russian Federation. The most intense groundwater pollution was observed in concentrations Fe and Mn,, and in concentrations SO4-2, M, Be, Na+1, Se. . Groundwater is classified as "Risk" and "Crisis" as drinking water and - as “Disaster” as fisheries water. The level of pollution of groundwater demonstrates the need to implement environmental rehabilitation measures and improve treatment technologies.

The purpose of the research is to assess the role of mine water in the management of surface water pollution in the Eastern Donbass. The leading drivers of environmental transformation in the region are the coal min- ing and coal processing industries. Under the influence of these factors, many negative consequences and, above all, intensive pollution of surface water are formed. To solve the problem, standard methods of mathemati- cal statistics and the original method of assessing water quality by the total pollution indicator are used. Mn, Fe, Se, Be, as well as SO4, M, Na, Mg. contribute the largest share of surface water pollution. Mine waters play a leading role in the pollution of surface water in the region studied. The high efficiency of the original method of assessing water quality by the total pollution indicator is shown. The level of pollution of mine and surface waters demonstrates the need to implement environmental rehabilitation measures and improve treatment technologies.