The project concerns the completion of the wastewater collection and installation infrastructure of the Municipal Community of Neapolis of the Municipality of Monemvasia, a priority settlement which lacks a sewage and biological sewage treatment network.With the implementation of the project, the settlement will acquire the above infrastructure within the framework of the obligations arising from the implementation of Directive 91/271 of the European Union. The marine area of the Gulf of Boia will be protected from raw sewage, as well as public health, while improving the quality of the ecosystem, with positive impacts on quality of life and tourism.