The project for the collection, drainage and treatment of waste water in the agglomeration of Vrbovec agglomeration includes the necessary investments in the public drainage and wastewater treatment systems in order to achieve the requirements of the Urban Waste Water Treatment Directive (91/271/EEC) in the field of the Urban Waste Water Treatment Directive, and to meet the requirements laid down in the multiannual construction of urban water bodies (NN No 117/2015), that is to say, to improve the wastewater treatment and treatment in the wider area of the Vrbovec agglomeration. The project foresees the construction of a distribution system of the distribution type that will train the existing sewer network and build UPOV capacity 12.200 ES with tertiary level III.