Project B phase concerns the completion of the sewage network and the construction of the wastewater treatment plant of the agglomerations of Vergina and Palatitsia of the Municipal Unit of Vergina of the Municipality of Veria Today in the agglomerations of the Municipal Unit of Vergina there is no system for collecting or treating wastewater The wastewater is collected separately in septic tanks or septic wells resulting in groundwater contamination as there is no control over the way they are constructed and whether they meet the sanitary conditionsTo address this problem, this project B phase includes1 The completion of the internal gravitational sewage networks of the agglomeration of Vergina2 The construction of a wastewater treatment plant using the MBR membrane bioreactors method in a municipal parcel near the river Aliakmonas3 The monitoring of the remaining excavations of the 1st and 2nd subproject by the Ephorate of Antiquities of Imathia4 All works relating to the sewerage network will be carried out along the existing municipal roads The WWTP will be installed on a municipal parcel whose use has been assigned to the Municipal Water Supply and Sewerage Company of Veria DEYAB for this purpose.