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The Lazy Bledowskie well field located in the area of the Upper Silesia (southern Poland) abstracts water from the Triassic carbonate aquifer. The aquifer is additionally heavily drained by the Zn-Pb ore mines. Due to a deterioration of groundwater quality, caused mainly by sulphate concentration reaching 317 mg/L, most of the wells have been closed and currently only 2 wells are exploited. Sulphates origin in water has been a concern issue of many researchers. However, there are difficulties in identification of ...

The Cieszyn Tufa Springs is a special area of conservation located in the Western Carpathians (southern Poland). The main subjects of protection are springs that outflow from the contact zone between Cretaceous limestones and slates. Due to a high vulnerability of shallow aquifers within the area of Cieszyn Foothills as well as urbanization and highly-developed industry of the Silesia region, a wide range of contaminants is detected in the spring water. Although microcomponents present in water of the mentioned ar...