This project will replace the internal water supply network and part of the external aqueduct, the Local Community of Petrousa of the Municipality of Prosotsani. Parts of the internal network will be maintained.Summaryly, they will be constructed:15900 m. pipe diameter from Φ25 to Φ250 of polyethylene, 10 and 16 atmblocks, carburetors, fire extinguishing orifices, shafts, connections900 terrestrial wells 2 pumping complexes, pavement road restorations.