The project concerns the construction of sewerage networks for the collection of waste water in the settlements of Vrachos Beach, Lygia Riza Beach, Kastrosikia Beach, Kastrosikia Beach, Kanaliou Nea Sinopis, Nea Samssounta Loutsa and Paralia Loutsa, transporting and treating them in a sewage treatment plant with a capacity of 17630 equivalent residents to meet the needs of 20 years in a field east of the coastal settlement of 'Kastrosikia' in the location of Provatostani, as well as the disposal of treated waste water in the area of the northern edge of Lefka beach.