The project concerns the construction of wastewater management projects of the settlement of Paleochora and Kountoura area (eastern part of Gialos settlement) of the Municipality of Kantanos Selinos. In particular, it is planned to build a wastewater treatment plant with a capacity of 7,500 equivalent residents (a 20-year plan) with the possibility of extending to 15,000 equivalent residents over a 40-year horizon, about 3,601 meters of waste water transport and disposal, 3 pump rooms, a septic tank and the charging well of the underwater sewage disposal pipeline. The project also includes the expropriation of the land on which the sewage treatment plant will be built, the improvement of an existing pumping station in Paleochora and the work required to connect the EEL, the pump stations and the charging well of the underwater pipeline to the HEDNO network. Finally, the construction of the project will be carried out under the supervision/supervised of the competent archaeological services.