The Madinat Salman Water Reclamation Plant helps to close the water cycle in Bahrain.

The Madinat Salman Water Reclamation Plant is a critical infrastructure facility supporting Bahrain’s vision of sustainable water reuse. Built by WABAG on reclaimed land to serve the new city of Madinat Salman—home to over 100,000 residents—the plant treats municipal wastewater with high-quality standards, enabling reuse for landscaping and irrigation.

The plant is equipped with a 21-meter-deep terminal lift pumping station and a comprehensive sludge treatment system that converts stabilized sludge into safe, packaged fertilizer pellets for agricultural use. Environmental safeguards were prioritized throughout construction to protect the region’s sensitive freshwater aquifers.

Long-Term Impact & Continued Trust: Since its commissioning, WABAG has successfully operated the plant, delivering consistent performance and upholding stringent quality benchmarks. In a strong vote of confidence, the Ministry of Works has extended WABAG’s O&M responsibilities for another 5 years—a testament to our operational excellence, reliability, and the enduring trust we’ve built with our customer.

Project Highlights:

• Scope (DBO): Design, engineering, equipment supply, installation, commissioning, client personnel training, and extended O&M.
• Treatment Process:
  • Inlet Chamber & Terminal Lift Pumping Station
  • Mechanical Pre-Treatment: Fine screening, aerated grit and grease removal
  • Biological Treatment: Activated Sludge Process (MLE), final clarifiers
  • Tertiary Treatment: Disc filtration, chlorine disinfection, TSE storage
  • Sludge Treatment: Thickening, aerobic stabilization, thermal drying, pelletization (25 kg bagging unit)
  • Odour Control & SCADA: Full automation with odour treatment and accredited lab
• Reuse & Sustainability:
  • Treated effluent used for community irrigation
  • Packaged fertilizer pellets for agricultural use
• Impact:
  This project helps close the water loop in Bahrain, providing a reliable non-potable water source that irrigates all 13 islands of Madinat Salman, reducing dependency on freshwater resources. Simultaneously, the innovative sludge-to-fertilizer approach fosters circularity and benefits local farmers—reinforcing WABAG’s role in sustainable infrastructure development for the region.