HYDROMANAGEMENT Ltd. was selected by the Thessaloniki Water and Sewage Company (E.Y.A.TH. S.A.) as contractor of the Tender “Provision of services: Leak detection in the water suppy network of Thessaloniki”. In the frame of the contract, HYDROMANAGEMENT is informed about places of possible hidden leakages in the water supply network and undertakes the detection of the exact leakage points using appropriate equipment. The detection is performed using acoustic logging techniques and a digital leak noise correlator. The identification and repair of leakage points result in significant savings in the amount of produced water.