In ‧ the reconstruction of water supply and wastewater disposal systems of the refinery, with increased consumption of treated wastewater, reduced consumption of clean river water and lower volumes of drains in the mud disposal system: ‧ reconstruction of the mud disposal area with the removal of the treatment pond and the construction of the map No 3 with the film impervious membrane; ‧ reduction of the drainage water from the red mud disposal area: ‧ construction of a system for the interception of filtration water along the boundary of the red mud disposal areas, with the returning of the filtration waters of the mud disposal area to the recycling water supply system; ‧ cleaning of by-pass water drainage channel of the red mud disposal area from mud sediments; ‧ quality control of surface and ground water.