The results of investigations of soil water properties on the area influence by exploitation activity of the ZGE „Janina” in Libiąż were presented in the work. Regarding similar texture determined soils water characteristics curves were low differentiated. Only for humus horizons and for samples containing loose sands the curves abandoned from the other ones. Obtained results show either small water retention and high water permeability. Soils of such types are regarded as very susceptible for processes of hydrological degradation. Determined water properties of soil allow to state that during the following years on examined area process of hydrological degradation and geomechanical deformations of ground surface will extend.

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