Water Reuse Plants SIDI BOU ALI, EL JEM, and QUERDANIN: 

Tunisia faces severe water scarcity, exacerbated by urban growth, rising demand, and the need to support rural irrigation. To tackle this challenge, the country has developed wastewater treatment plants to enable water reuse in agriculture. This initiative mitigates water scarcity and enhances Tunisia’s resilience to climate change.

WABAG has contributed to this effort by constructing new municipal wastewater treatment plants in Sidi Bou Ali and El Jem, as well as rehabilitating and extending the Ouerdanine WWTP for the national ONAS. These plants utilize three-stage treatment processes, ensuring the safe reuse of treated wastewater for agricultural irrigation.

Project Features:

• Scope: EPC, turnkey execution. 
• Technology:
  
  • Mechanical/biological treatment: Screening, grit removal, aeration tanks, physico-chemical treatment of phosphorus, secondary settling, 
  • Tertiary treatment: sand filtration + UV disinfection. 
  • Sludge thickening and dewatering.
• Water reuse: Agricultural irrigation
• Impact: This investment in environmentally sustainable wastewater disposal preserves the environment, benefits communities and supports socio-economic development in rural areas.