Office National de l'Assainissement du Tunisie (National Office of Sanitation of Tunisia)

Since its establishment, ONAS has endeavoured to strengthen partnership, cooperation and exchange ties with similar institutions of the neighbouring countries as well as to developing further cooperation opportunities on the international, Arab and African levels, which have been confirmed by the signing of technical cooperation agreements.

Objectives of technical cooperation :

 capacity development to design new technologies in the field of sanitation (sewerage, wastewater treatment);
 keeping pace with technological innovations on the international level;
 cooperation with the countries interested in O.N.A.S. activities;
  benefiting from financing opportunities available for the environmental sector;
 making visible ONAS capacities and expertise in the field of combating water pollution.