Reorientation of industrial organizations to progressive water supply systems is a highly labor-consuming process which covers thousands of industrial installations constructed at different times under different technical schemes requiring significant investments. The accumulated potential of traditional technology must be changed over to a wasteless, sewageless technology corresponding to the ecologic imperatives of the present time. An industrial installation can be reoriented to sewageless water supply, if the fundamental deficiencies of the existing water supply are disclosed. Meanwt-dle, the existing water supply system is regarded as a "standard," and it can only complicate the sewage treatment system without solving the main problem -full elimination of sewage water. The complexity of the solution of this problem is determined also by the fact that whereas for design, construction, and operation of treatment structures intended for use based on the traditional water treatment methods the general State norms and codes are applied, for sewageless systems such norms are nonexistent. Hence, construction of progressive systems of water supply should be preceded by scientific-research work with the ensuing nonstandard, pioneer design and construction. All this requires considerable time and substantial material--technical and financial resources. Reorganization of the current technology into an ecologic one is significantly hindered by the deeply rooted tendency to solve the problems of protection of the water facilities against contamination only by construction of treatment structures; this is of course "simpler and more expedient." However, such solutions are very harmful since they distract from the search for better and more effective technologies ensuring operation of wasteless systems. This is a specific example of traditional thinking in the water conservation field, in which the rooted stereotypes delay the introduction of ecologic technologies. Analysis of the criteria which arise in the field of development of sewageless systems of water supply at industrial installations in different branches of the national economy makes it possible, if only with a certain degree of conditionality, to single out two directions, the integrated realization of which will contribute to the creation of such systems. The first direction, regardless of how paradoxical it might be, includes the traditional technical ways and methods of preservation of water supply and protection of water sources against contamination by industrial sewage. The second direction unifies the technological solutions determined exclusively by the specific industrial characteristics of treated raw materials and of the output production. In this case, reduction of water supply and of the quantity of water contaminated by production is obtained thanks to integrated utilization of the raw materials; intensification of the production processes which ensure maximum production output with a minimal volume of wastes; reduction of the technological stages and equipment; increase in the capacity of the production units; changeover to new technologies with maximum replacement of water-consumption by a waterless process; full isolation of all the components from industrial water; introduction of systems of automatic control and management of technological processes on the basis of modern control--measurement devices, etc. The progressiveness of the new technological water-supply schemes is determined by reduction of water consumption in comparison with those formerly applied and by decrease in the volume of sewage and of pollution. Despite the lack of statistical information about introduction of ecologic schemes of water supply, based on some available data, reassuring conclusions about this problem can be drawn. It should be noted that the production processes with wasteless technology include those in which technical operations are realized which ensure rational utilization of raw materials and energy and which exclude production wastes, including contaminated water outflow. If this criterion does not cause objections, then closed water-circulation systems which reduce and, in many cases, exclude the discharge of contaminated water outflow constitute an integral part of production with wasteless technology. Thus, organization of water circulation systems at any industrial installation is the start of its changeover to wasteless technology.