The company is responsible for the water supply of the Thessaloniki urban complex, and the collection and conveying of urban waste waters to the waste waters treatment installations. The field of the company's activities is defined by Law 2937/2001 (article 26).
The main activities of the company are to provide water supply and sewerage services, to exploit all products originating from the waste waters treatment, and to provide any kind of services through the water supply and sewerage networks. The company's water supply network serves the areas of the Thessaloniki, Kalamaria, Ampelokipi, Neapolis, Sykies, Agios Pavlos, Polikhni, Evosmos, Stavroupolis, Menemeni, Eleftherio-Kordelio, Triandria, Panorama, Rentziki, Pilea Municipalities and the Industrial Park of Thessaloniki. Also, the company intends to extend its activities in order to supply water to Efkarpia, Oreokastro and Pylea. Regarding sewerage, the company further intends to serve Mikra and other municipalities.
The company has a daily average water supply of 250,000 m3, and a daily average waste waters treatment of 170,000 m3. The length of its water supply pipes is 1,800 km without the connection to the Aliakmon River. The length of its sewerage network ducts is 1,600 km.
The company aims to provide a friendly and quick servicing of its consumers, provide better services and increased credibility, and play a leading role in South-Eastern Europe in the sectors of water supply and sewerage, taking into consideration the needs of both citizens and environment.