The project concerns the completion (Phase II) of the construction of the central drainage pipeline (211 m from the 1.9 km) and the pipeline for the transport of treated waste water (57 m from the 2,3 km) of the Municipality of Tinos. It also includes the complete construction of the wastewater treatment facility (EEL) of Tinos, with a capacity of 11,441 inhabitants, which will lead the urban waste water of the settlements of the Municipality of Tinos (Tinos Municipalities, Two Villages and Triantaros) and the former Municipality of Exomburg, the settlements of the Municipal District of Ktikado, as well as the waste water from the manufacturing units of the area that is similar to the construction of the project.