During the project, a modern biological sewage cleaning plant of high efficiency will be built to the sewerage network built earlier at the municipality of Ada (Serbia). The sewage cleaning plant is able to carry out the cleaning of sewage, created by 3.000 people and institutions connected to the sewage drainage at the towns of Ada and Mol. The cleaning plant is able to receive and clean maximum 120 m3 transported sewage per day. At Ada and in its environs the contaminating effect of the communal sewage is already perceptible in the layers providing drinking water. Due to the geological features there is a chance that the pollution gets to the Tisza-Maros till field which is considered to be one of the most significant water bases of Central Europe. The other element of the project is the procurement of one pipe cleaning/washing vehicle of high efficiency in order to provide the more secure operation of Mórahaloms (Hungary) sewerage system. The equipment will be used not only at Mórahalom, but also at the project partner settlement of Ada. Achievements: Wastewater plant has been developed on the Serbian side at Ada-Mohol and wastewater treatment equipment purchased on the Hungarian side.