At present, providing the population with clean drinking water is one of the urgent problems of national importance. In the conditions of Uzbekistan, the main part of the drinking water supplied to the population is underground water. There are various methods of water disinfection, as a result of the use of the proposed equipment that works with ultraviolet rays, the system will be fully automated, which will increase its economic efficiency and will not have a negative impact on water quality indicators. This monograph substantiates the results and analysis of the use of ultraviolet equipment for drinking water in villages, health resorts, schools, public catering facilities, model residential buildings, hospitals, guest houses.