The balanced model of the sustainable water consumption in a public sector in Ukraine

Water quantity and quality are important aspects of water management concerning to thepollution control as economic and environmental safety of any countries, Due to intensiveexploitation and inadequate pollution control Ukraine faces with degradation of natural waterresources. The Kharkiv region is an industrially developed region of Ukraine with highpopulation density and water resources scarcity, The disproportion in economical and waterresource potentials of the region and significant anthropogenic loadings on the water sourceslead to depletion and pollution of ones, and, as a consequence, to the water deficiency,Dwelling sector and office buildings are one of the most powerful water consumers onurbanized territories, Every day the big Ukrainian city, like Kharkiv, consumes no less than200 million of cub,m water per year and 80 % of that for households water supplying, Thepowerful water consumption leads to the degradation of water resource, especially, in the bigcities with water scarcity,The aim of the work is to find a new optimal level of water resource consumption forhouseholds and office buildings on urbanized territory to base on environmental, economicand social aspects of water use, An environmental engineering modelling, risk assessment andeconomic methods of analysis have been used for the research work,The balanced model of quality of water environment and public water demand weredeveloped by real data, The regression parameters were determined for such indicators ofwater quality as suspended solids, mineralization, ammonium, nitrites, chlorides,Using the model it is possible to analyze environmental impacts of municipal waterconsumption and find the optimal level of public water supply,Also the environmental, economic and social criteria of water saving were developed,