Abstract
Aquifers of coal-bearing areas of Donbass represent a system of complex basins of fractured waters, which complicate mining in the workings. The filtration properties of coal rocks change very significantly, even at small distances, depending on the fracture of the rocks. Mining disrupts not only the natural regime of groundwater circulation, but also the natural geochemical properties that lead to changes in the formation of the chemical composition of water determined for the appropriate depth. When building models of individual elements and chemical compounds of mine waters, it was found that their distribution is controlled by tectonic faults. The most dangerous for the environment is the area with slow water migration associated with the resistance of regional faults.
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