The bachelor thesis is focused on the design of sewerage in the village Liptovské Kľačany. The thesis consists of two parts, the first is theoretical and the second practical. The theoretical part describes the selected municipality. Hereinafter, the separation of sewer systems, the objects described on the sewer system, is discussed. In the practical part the design of the rainwater sewer network is processed and then the design is described. In the appendix there are technical drawings which were processed by the program SeWaCAD.