The Union of Engineers and Technicians of Serbia in cooperation with the Faculty of Civil Engineering, University of Belgrade, the "Jaroslav Černi" Water Institute, the Engineering Academy of Serbia, Public Utility Company “Water and Sewerage” Novi Sad and Public Utility Company “Water and Sewerage” Kragujevac is organizing the Fifth Scientific Conference with International Participation “Water Losses in Public Water Supply Systems.” The Conference is organized with the support of the Serbian Chamber of Commerce – Association of Public Utility Industry and under the auspices of the Ministry of Science, Technological Development and Innovation of the Republic of Serbia. The main objective of the Conference is to promote and publish the results of scientific research and professional work, as well as to exchange ideas and experiences among experts in the fields of plan ning, construction, and management of water sup ply systems, with particular emphasis on water loss management.The Conference will address issues related to the development and improvement of water loss man agement systems in water supply processes, with the aim of systematizing acquired knowledge and transferring it to the level of water utilities, their founders, and relevant ministries. The Conference also seeks to emphasize the need for a clear allocation of responsibilities, as well as the fact that successful and sustainable reduction of drinking water losses requires an appropriate legal and financial framework, including binding regulations, defined objectives, incentive measures, and funding sources. The Conference will also provide an opportunity to exchange experiences and examples of good prac tice, and to familiarize participants with the latest