Institute of Ecological Problems of Hydrosphere, Orenburg, Russia:

A. Ya. Gaev, Professor, Doctor of Geologo-Mineralogical Sciences

Orenburg State University, Orenburg, Russia:

P. V. Pankratev, Professor, Doctor of Geologo-Mineralogi cal Sciences
I. V. Kudelina, Senior Lecturer, kudelina.inna@mail.ru
T. V. Leonteva, Senior Lecturer

In the conditions of semi-arid climate, the mining territories in the South Urals and Transurals are faced with acute shortage of water supply. Depletion of water resources results from uneven distribution of aqueous run-off in space and time, as well as due to dense engineering infrastructure. Water is mainly supplied from alluvium aquifers usually unprotected from pollution. Drink quality water is often displaced by low-grade water and brines penetrating to fresh water horizons from deep levels, or by direct flow from non-watertight surface structures and boreholes, which is observed in oil producing regions. Environmental impact in the South Urals and Transurals is diverse due to ore mining and oil-andgas-field development using sophisticated technologies of mineral extraction and processing. The overwhelming majority of effluents can be economically effectively treated and used. Mechanical treatment of water by standage and filtering is widely applied practically. This article discusses applicability of artificial ground water spreading and barrier technologies in terms of the mining territories in the South Urals and Transurals. These activities enhance capacity of water wells and improve water quality. The main outcome will be the long-term supply of the regions with service and drinking water owing to intensified water intakes.

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