The place of implementation of the project is Hungary, the municipality of Létavértes. The Létavértes centred sewage agglomeration is in force 25/2002. It is indicated in Table 5 of Government Decree (II.27.) that the municipal sewerage network (CS) and the development of an existing waste water treatment plant (TF) are concerned with tasks. The technical content of the project follows the classification of waste water agglomeration according to the Regulation. The amount of sewerage reconstruction to be declared does not exceed 5 % of the eligible costs. The project aims to expand the sewerage network and treatment plant and to modernise the plant.