Waste Water Treatment Plant in Thala and Feriana

This project aims at implementing wastewater infrastructure in the cities of Thala (15'000 inhabitants) and Fériana (27'000 inhabitants) in the Governorate of Kasserine, Tunisia. The infrastructure includes the financing of the treatment plants, the extension of the wastewater networks and pumping stations for both cities.

Pays/région Thème Période Budget
Infrastructures et approvisionnement urbains
01.03.2012 - 31.12.2021
CHF  12’100’000

This project shall provide support to a region that used to be neglected under the previous regime.


- Contribution to improving the health situation in places covered by the program.

- Contribution to the protection of groundwater resources and surface.

- The project also contributes to the economic development of disadvantaged governorates through a regional rebalancing of investments in basic infrastructure.

Effets à moyen terme

Domestic, commercial and possibly industrial discharges are collected, cleaned and disposed properly, effectively, ecologically and hygienically. The operation of the related process is financed sustainably.


Principaux résultats attendus:  

Construction of sewage systems, transfer pipes, disposal systems and WWTPs in the cities of the program. ONAS has the organizational tools, and the technical, financial and human resources to ensure the functioning of the treatment systems and maintenance.

Direction/office fédéral responsable SECO
Crédit Coopération au développement
Partenaire de projet Partenaire contractuel
  • Organisation nationale de l'assainissement ONAS, Tunisie

Budget Phase en cours Budget de la Suisse CHF    12’100’000 Budget suisse déjà attribué CHF    0 Budget y compris partenaires de projet CHF    11’650’000
Phases du projet Phase 2 01.03.2012 - 31.12.2021   (Phase en cours)