Quality assurance in the technology process of water treatment

The chapter presents basic information about drinking water. Briefly water treatment processes have been characterized. We analyzed the water company. One of the water intakes of water treatment by the method of biological denitrification and its disinfection by ozonation, the pump station and treatment plant located in the province of Silesia. Process of water treatment for human consumption depicted technologically was presented. The identification of the problem of failure of water supply based on Ishikawa diagram was made. Key words: drinking water, water treatment processes, water supply, production process depicted technologically, Ishikawa diagram was made.