The project consists of 3 distinct sub-projects with the natural object:- Subproject 1: It concerns the completion of the external water transport network and the construction of the Geraki water storage tank, volume 3.000 m² for the water supply of the city of Amaliada. Subproject 2: Relates to the construction of a pipeline linking the new reservoir of Geraki with the water tower of Amaliada, length 2.272 m.- Subproject 3: It concerns the supply, installation and testing operation of the extension of the ozone unit, with the necessary equipment (Manganese, Iron, pH, DO, alkalinity), automation and extension of the Supervisory control and data acquisition (SCADA) in order to ensure full oxidation of the increased amounts of manganese and iron for maximum concentrations of 1000 μg/l and 250 μg/l respectively in water.