The problems of providing the population with high-quality water for territories where water sources are absent or do not meet hygienic requirements are presented. It is shown that there is no proper relationship between the quality of drinking water and investments directed for the modernization of water treatment and water transportation technologies. It is shown that it is practically impossible to justify investments in water supply within the current tariffs for drinking water. The possibilities of improving the quality of drinking water supply with the diversification of the water supply process are shown and it is proposed to introduce the concept of household quality water. The main directions of technological modernization and diversification of the drinking water supply process in order to provide the population with drinking water at the point of consumption.