The wider Thessaloniki urban area’s water needs are around 260,000 m3 a day on average (taking 2017 as the benchmark) and are met by EYATH S.A. from the 3 main water supply sources:

1. Aliakmon River, through the Thessaloniki Water Treatment Plant (surface water),
2. The Aravissos springs in the Prefecture of Pella (source water), and
3. Boreholes in the plain of Thessaloniki (groundwater).