Service of exploitation, conservation, maintenance, improvements and optimization of the high sanitation systems of the Baix Ebre region (l'Ametlla de Mar, l'Ampolla, El Perelló, Tortosa-Roquetes, Deltebre, Camarles, Marina Sant Jordi, The Village, Alfara de Carles, Benifallet and Tivenys.

Services necessary to carry out the correct operation of the high sanitation systems in the Baix Ebre region that guarantee the achievement of the quality objectives set therein and that meet the requirements of Council Directive 91/271 / EEC of 21.5.1991, on the treatment of urban wastewater and Royal Decree 509/1996, of March 15, on the development of Royal Decree-Law 11/1995, of December 28, which establishes the rules applicable to treatment of urban wastewater, Decree 130/2003 and concordant regulations.

Services that must ensure a good maintenance and conservation of the civil works and electromechanical equipment that guarantee the continuity of the service.